Website reputation report

opensea.io

Last checked 1 day ago · Point-in-time assessment

● Evidence is limited

What is this website?

Public pages were observed on opensea.io, but their subject was not confidently classified. Recurring page-metadata topics include discover, tokens, marketplace.

No listed local patterns observedHomepage-only analysis is not a malware clearance. Read the scope and findings below.

69/100Safety Score
70%Evidence Confidence
Trust Radar evidence profile Eight evidence dimensions from zero to one hundred. Exact values surround the chart. Threat Intelligence55 Domain History0 Infrastructure95 Website Security95 Security Hygiene80 Transparency52 Reputation50 Operational Stability96
Trust RadarEight observed factors. Select one to inspect its evidence.

How to read this report

Safety Score evaluates observed signals. Evidence Confidence measures how complete, direct, fresh, and consistent those signals are.

No automated scan can guarantee that a website is safe.

Independent evidence brief

What we observed about opensea.io

Updated Sep 30, 2026

The latest scan examined 10 public pages on opensea.io. Website descriptions below come from the site itself. Registration, connection and threat findings were checked separately.

Purpose and visible content

On its homepage, the site says: OpenSea, exchange everything , token trading and NFT marketplace. Welcome to the best place to discover, trade, and create onchain.

  • FAQ - Profile | OpenSeaCheck out FAQ's NFTs and tokens on OpenSea, the largest marketplace for crypto collectibles.
  • Trending NFTs | OpenSeaBrowse through the trending NFT collections ranked by recent sales activity and volume. Discover what's hot in the…
  • Trending Tokens | OpenSeaBrowse through the trending tokens with the highest price change in the last 24 hours. Discover the best…

Registrar and domain history

A reliable creation date was not returned by the registration lookup. The report leaves domain age unverified rather than guessing.

Connection and hosting evidence

The checked homepage returned HTTP 200.

A valid TLS certificate was observed, expiring Dec 28, 2026.

Threat checks and score context

External malware-provider coverage was unavailable. The report does not treat this missing check as a clean result.

Safety Score: 69/100. Evidence Confidence: 70%. These measure different things.

Public content profile

Pages reviewed on opensea.io

10 of up to 10 pages

We sampled public pages from this website to understand its subject and contact paths. The titles and short descriptions below come from the website itself. They are not endorsements or independent safety findings.

Public page evidence

Topics and keywords observed on opensea.io

11 phrases

These phrases were extracted locally from sampled public page metadata. They are observations, not search-volume or ranking estimates.

discoverH1, Meta description7 sampled pages
tokensTitle, H1, Meta description4 sampled pages
marketplaceTitle, Meta description4 sampled pages
nft marketplaceTitle, Meta description3 sampled pages
everything token tradingTitle, Meta description2 sampled pages
tradeMeta description4 sampled pages
trendingTitle, Meta description2 sampled pages
exchange everythingTitle, Meta description2 sampled pages
collectionsTitle, Meta description3 sampled pages
nftsTitle, Meta description3 sampled pages
placeMeta description3 sampled pages

At a glance

Key findings

✓

Report is current

The displayed evidence comes from the published immutable scan.

i

Confidence is separate

Unavailable evidence is shown as missing and never counted as clean.

!

Verify before sensitive actions

Check the exact URL and context before payments, credentials, or downloads.

Fully explainable

Why this score?

Versioned weights
Threat IntelligenceWeight 25%
55/100

Threat providers were unavailable. The neutral uncertainty baseline is not a clean verdict.

Domain HistoryWeight 10%
0/100

Evidence is unavailable.

InfrastructureWeight 10%
95/100

Observed DNS records and network address were checked.

Website SecurityWeight 15%
95/100

Observed certificate validity and TLS protocol were checked.

Security HygieneWeight 15%
80/100

Observed security header values were checked for basic protective settings. Empty values, disabled HSTS and unrecognized values receive no credit. This is not a complete browser-policy validation.

TransparencyWeight 5%
52/100

Observed site metadata and About page were checked. Publisher-supplied details are not independently verified.

ReputationWeight 5%
50/100

Popularity is weak context, not proof of safety. Unranked sites use a neutral baseline.

Operational StabilityWeight 15%
96/100

Observed HTTP status and final connection scheme were checked.

Server-side analysis

Automated security checks

Local antivirus and phishing checks

ClamAV · homepage HTMLNo signature match in the sampled HTML
Engine version1.5.4
Signature database date (UTC)2026-09-30T06:24:18+00:00
HTML bytes submitted1,974,314
Phishing.Database · exact hostnameNot listed in this snapshot
Feed downloaded (UTC)2026-09-30T12:00:07+00:00
Hosts in local snapshot386,027

Sampled scripts and pages

Resource analysis incomplete

6 resources checked · 100 script links observed on the homepage. Partial resource coverage.

ClamAV inspects the fetched homepage HTML on our server. New scans also sample up to four linked scripts and two collected internal pages, with size and time limits. Scripts are not executed. Other downloads, private server files and logged-in pages remain outside this check. A signature match needs investigation and can be a false positive. No match is not a whole-site safety guarantee.

Exact hostname lookup uses a downloaded Phishing.Database snapshot. It does not send this domain to an external lookup API or mark sibling subdomains as harmful. Not listed does not mean safe. Snapshot age is download age, not proof that every entry was recently revalidated.

Homepage HTML only · Eight local rule families · local-security-v2

Checks use the fetched page and redirect chain. Scripts are not executed, forms are not submitted, and linked files are not downloaded. This is not a malware clearance.

Page resource inventory

Linked scripts123
Inline scripts2
Embedded frames0
External script hosts0

Counts describe the sampled HTML, not every resource loaded by the browser. External resources are common and are not automatically harmful.

Partial analysis. Only the first 512 KiB of the page were inspected.

No listed local patterns observed. The limited rule set cannot detect every threat or behavior.

External threat intelligence

Provider coverageNot checked

Local checks do not query external reputation databases. An unavailable check is never a clean result.

Registration

Domain information

Public RDAP observation
Canonical domainopensea.io
RegistrarUnavailable
RegisteredUnavailable
Domain ageUnavailable
ExpiresUnavailable
Registry statusesUnavailable
Report statePublished

Infrastructure

Network & hosting

Observed endpoint, not legal location
IP address104.18.33.97
Autonomous systemUnavailable
Network organizationUnavailable
Observed countryUnavailable
CDNCloudflare
Web application firewallNot detected

At a glance

Infrastructure summary

Observed during this scan

A compact view of the connection, DNS and security surface. These observations describe what the scanner could verify at scan time and do not prove ownership or ongoing availability.

HTTP response200 · https://opensea.io/
Endpoint104.18.33.97
NetworkUnavailable
CDN and WAFCloudflare · Not detected
DNS surface48 records · 2 nameservers · 5 mail exchangers
Protection signals6 security headers · 4 technologies · DNSSEC unknown

Page telemetry

Observed page statistics

Safe metadata only

These counters describe the fetched response and sampled HTML. Script counts describe references in the markup, not a complete browser network log. Cookie counts cover observed response headers.

Response size1,974,314 bytes
HTTP check duration0 ms
Cookies observed4
Script resources123 · 0 external hosts
Frames and sampled checks0 frames · 6 resources checked

Encrypted transport

TLS certificate

Valid when observed
StatusValid when observed
ProtocolTLSv1.3
IssuercountryName=US, organizationName=Google Trust Services, commonName=WE1
Valid fromSep 29, 2026
Valid untilDec 28, 2026
Certificate namesmcp.opensea.io · opensea.io

Resolution

DNS footprint

DNSKEY status unknown

DNSKEY presence does not verify the DNSSEC signature chain. Missing records can mean no record was returned or the lookup was unavailable.

A104.18.33.97TTL —
A172.64.154.159TTL —
AAAA2606:4700:4404::6812:2161TTL —
AAAA2606:4700:440d::ac40:9a9fTTL —
NSarch.ns.cloudflare.comTTL —
NSnicole.ns.cloudflare.comTTL —
MX1 aspmx.l.google.comTTL —
MX10 aspmx2.googlemail.comTTL —
MX10 aspmx3.googlemail.comTTL —
MX5 alt1.aspmx.l.google.comTTL —
MX5 alt2.aspmx.l.google.comTTL —
TXT0nnq5lmm3ntn3z631zqdxy8rktd8n5qyTTL —
TXT4171fc0b-1b5a-48cc-8924-f588ef7c83a6=77bf321a0a9a095aef0f6c457bc73a17da016ce604d5f96c05732f46e6fa812cTTL —
TXTanthropic-domain-verification-7k27ax=hT2KZAHNMV7a2tSh9cieoCUxKTTL —
TXTapple-domain-verification=ELyRHhpBTyfufstyTTL —
TXTatlassian-domain-verification=1PfCmQaacw/ECNVuQ1AkodolOd/BVvpjNT4BffsbLWX8hJmZLvtycHvibxPTL9FQTTL —
TXTatlassian-sending-domain-verification=374c8591-2263-48b1-a0b8-725ff1e8d543TTL —
TXTcursor-domain-verification-4zfcpw=ari86tRXibV7TSmfbvGIq9tYfTTL —
TXTdocusign=21d05164-3b53-4865-88f4-fc093c7e84ffTTL —
TXTfigma-domain-verification=9f3e4bd497d0c0dd6e76edef8dfbb81f4f6b16c12237bc1173c73c7621debf72-1770227822TTL —
TXTgoogle-gws-recovery-domain-verification=44295434TTL —
TXTgoogle-site-verification=2rBgjKc0-Qrso9Es_hnYv2deFHfxZePZPioPCgPjuUITTL —
TXTgoogle-site-verification=7KM8t2vfhMyCF9nNJie3tZK6FYBgZZ_tHd5me8-XxdQTTL —
TXTgoogle-site-verification=braA-lO3YtmBslz87lJyjQmLb3q-83yvP32MH5iNGWITTL —
TXTgoogle-site-verification=Lfrspbc4rm7jjOGg43aoYuNiZ6viBX0Q3s94b7-ehMoTTL —
TXTgoogle-site-verification=S14smBDLHtomTKysI7Xv4Wshyr1VF7FhrmyIkqrxlWQTTL —
TXTgoogle-site-verification=soMCXwlfW1npd1y97qtBFY0l15cQbf5lNJeGIxn4LYwTTL —
TXTgoogle-site-verification=sy3dn-WQedJSuSxHajKLzyRSWwCBif7xFCVbc7sxLl0TTL —
TXTgoogle-site-verification=Upmu4anGS7wtjB-FhJHxvdmqwEYrq04s8WUDnqfhjEgTTL —
TXTgoogle-site-verification=vz7ogOBr92dRknpeC28-TQbbEyVWvko_MF-J7WYMsNYTTL —
TXTh1-domain-verification=Bsi7zNNMQJMdNUgs5PZWjP7AMYAkPVa9xbRL6wEf2ZLnM2JVTTL —
TXThubspot-domain-verification=MjQ0ODU3MmQtMDNjNy00NGQ2LWFiMmYtNmZiMmY0YTRjOTExTTL —
TXTlinear-domain-verification=137782TTL —
TXTmiro-verification=80b1c4dd4450a54c6feb9480700b70a39581eb17TTL —
TXTmixpanel-domain-verify=ee907c3f-76b4-40b4-8f2f-57c8f8aa58a3TTL —
TXTmongodb-site-verification=zMhSNQQRjWhgVYFlPIaz2flrTB4vzqSbTTL —
TXTMS=ms16319070TTL —
TXTnotion_verify_Rpy2bd1ub9za5gcm89mGXDDK3VZ7DMz7RGcJzUhpWi0AbHqvD3K1pu03mG6Y1LYv3pbJ3TTL —
TXTopenai-domain-verification=dv-00wsOyw21EBhIl9i0SPLGghWTTL —
TXTperplexity-ai-domain-verification-785pgn=XPNsjGdlaWfDh4jdubuqwdU4QTTL —
TXTRBqq4TAfEQUBMWQAFRFmVt0TTL —
TXTsegment-site-verification=LJOzXeBmqaKRNrmKF2GIlt4vJ442n8knTTL —
TXTslack-domain-verification=ZEyB9FuIdPL6k7REJmrdEo61PVJOlgoYQXNYIbpOTTL —
TXTtenderly-domain-verification-6ew91n=kXqE4FD0DGfbaE2SO9QEqX84pTTL —
TXTv=spf1 include:_spf.google.com include:mailgun.org include:_spf.atlassian.net include:mail.zendesk.com -allTTL —
TXTverification_token=OQQp4EWCL3hWigSSrbz2u0f9NTTL —
TXTzapier-domain-verification-challenge=6d6abc15-dd7a-43d6-a1f5-cee105cc12e7TTL —
TXTZOOM_verify_dT6eM5gFyayVNcZLTDpZWtTTL —

DNS observations · no external lookup API

Domain email protection

Exact-host SPF and DMARC observations help the owner investigate email impersonation risks. They are separate from website malware checks and do not change the Safety Score.

SPFDNS lookup unavailable
DMARCPolicy record observed, not fully validated

What to do next

Review the records with your mail administrator. Inventory legitimate senders and test SPF and DKIM alignment before enforcing a stricter DMARC policy. Fix duplicate records and investigate overly permissive SPF rules.

This bounded check does not send email, probe SMTP, evaluate recursive SPF includes, verify DKIM signatures or apply organizational-domain DMARC inheritance. A missing subdomain record does not prove that no inherited protection exists. A DNS timeout is unknown, not an absent record. A policy record is not proof that messages authenticate successfully.

Responsible disclosure

security.txt

RFC 9116 observation
StatusPublished and readable
Security contacts2
Policy linkObserved
ExpiryValid when observed

This is a public vulnerability-reporting contact file. Its presence does not prove that the website is safe and does not change the independent Safety Score.

Browser protections

Security headers

6 observed
content-security-policypresent default-src 'self'; script-src 'self' 'unsafe-inline' 'wasm-unsafe-eval' https://www.googletagmanager.com https://www.google-analytics.com https://os2-fqbf8.quill.run https://widget.intercom.io/widget/rws4jyr5 https://js.intercomcdn.com https://static.moonpay.com https://static.seadn.io/os2/tv_library/charting_library/; style-src 'self' 'unsafe-inline' https://fonts.googleapis.com https://static.seadn.io/os2/tv_library/charting_library/; connect-src 'self' data: wss://gql.opensea.io wss://api.hyperliquid.xyz https://api.hyperliquid.xyz https://gql.opensea.io https://features.opensea.io https://static.seadn.io https://raw2.seadn.io https://i2.seadn.io https://i2c.seadn.io https://mobile.opensea.io https://*.mux.com *.openseaprorelayproxy.com https://api.amplitude.com https://api2.amplitude.com https://sr-client-cfg.amplitude.com https://o406206.ingest.sentry.io https://www.googletagmanager.com https://www.google-analytics.com https://region1.google-analytics.com/ https://os2-fqbf8.quill.run https://api.mainnet.abs.xyz https://arb1.arbitrum.io/rpc https://nova.arbitrum.io/rpc https://eth.merkle.io https://api.avax.network/ext/bc/C/rpc https://api.avax-test.network/ext/bc/C/rpc https://rpc.blast.io https://56.rpc.thirdweb.com https://mainnet.evm.nodes.onflow.org https://public-en-cypress.klaytn.net https://polygon.drpc.org https://rpc-amoy.polygon.technology https://mainnet.base.org https://sepolia.base.org https://11155111.rpc.thirdweb.com https://rpc.zora.energy https://evm-rpc.sei-apis.com/ https://rpc.berachain.com https://api.roninchain.com/rpc https://rpc.soneium.org https://mainnet.shape.network https://mainnet.unichain.org/ https://mainnet-rpc.b3.fun/http https://rpc-proxy.opensea.io wss://rpc-proxy.opensea.io https://cloudflare-eth.com https://mainnet.infura.io https://*.llamarpc.com https://*.g.alchemy.com https://*.quiknode.pro https://rpc.monad.xyz https://rpc.hyperliquid.xyz/evm https://thrumming-blue-uranium.solana-mainnet.quiknode.pro wss://thrumming-blue-uranium.solana-mainnet.quiknode.pro https://rpc.gunzchain.io https://api.infra.mainnet.somnia.network https://auth-api.infra.mainnet.somnia.network https://swr.xnftdata.com/rpc-proxy/ https://mainnet.megaeth.com/rpc https://rpc-gel.inkonchain.com https://rpc-animechain-39xf6m45e3.t.conduit.xyz/ https://wallets.opensea.io/ https://www.walletlink.org wss://www.walletlink.org https://pulse.walletconnect.org https://api.web3modal.org wss://relay.walletconnect.org https://metamask-sdk.api.cx.metamask.io https://mm-sdk-analytics.api.cx.metamask.io wss://metamask-sdk.api.cx.metamask.io wss://mm-sdk-relay.api.cx.metamask.io https://chain-proxy.wallet.coinbase.com https://cca-lite.coinbase.com https://*.intercom.io https://*.intercomcdn.com https://*.intercomassets.com wss://*.intercom.io https://prod-mainnet-temp-uploads.s3.us-east-1.amazonaws.com https://api.moonpay.com https://moonpay.com https://auth.privy.io https://mainnet.block-engine.jito.wtf https://seadn-original-media.s3.us-east-1.amazonaws.com https://vitals.vercel-insights.com; img-src 'self' blob: data: https://opensea.io https://static.opensea.io https://*.featurebase-attachments.com https://fb-usercontent.fra1.cdn.digitaloceanspaces.com https://static.seadn.io https://raw2.seadn.io https://i2.seadn.io https://i2c.seadn.io https://image.mux.com https://stream.mux.com https://*.canarytokens.org/ https://canarytokens.org/ https://*.intercomcdn.com https://*.intercomassets.com https://cdnjs.cloudflare.com/ajax/libs/twemoji/ https://cdn.prod.website-files.com https://media.veefriends.com/ https://i.ibb.co/ https://app.hyperliquid.xyz/coins/ https://pbs.twimg.com https://abs.twimg.com https://unavatar.io https://www.googletagmanager.com; media-src 'self' blob: data: https://raw2.seadn.io https://static.seadn.io https://i2.seadn.io https://i2c.seadn.io https://image.mux.com https://stream.mux.com; font-src 'self' https://fonts.gstatic.com https://fonts.reown.com https://static.seadn.io/os2/tv_library/charting_library/; object-src 'none'; base-uri 'self' https://static.seadn.io/os2/tv_library/charting_library
cross-origin-opener-policypresent unsafe-none
referrer-policypresent strict-origin
strict-transport-securitypresent max-age=15552000; includeSubDomains; preload
x-content-type-optionspresent nosniff
x-frame-optionspresent DENY

Response headers

Cookie protections

Passive observation
Cookies observed4
Missing Secure0
Missing HttpOnly3
Missing SameSite0

Only cookie attribute counts are retained. Cookie names and values are never stored. These observations are not proof of compromise and do not independently change the Safety Score.

Detected stack

Technologies

Bootstrap 80% Cloudflare 98% Next.js 96% Tailwind CSS 72%

Versions are shown only when publicly exposed by the page or response headers. An observed version is not, by itself, proof of a vulnerability.

JavaScript library advisories

4 sampled JavaScript files checked locally with Retire.js. Database snapshot: 2026-09-30T02:40:06.930Z.

react-dom 19.3.0-canary-cbb046ab-20260731 No known advisories matched this version in the database snapshot.

A version match is not proof that the website is infected or that an issue is exploitable here. Owners should review the advisory, check whether their code is affected and test an update. Up to four external script files are sampled, not every dependency, inline script or dynamically loaded resource.

Recommended maintenance checks

Next.jsKeep Next.js and its runtime dependencies current, especially when server-side rendering is enabled.

Structured facts

Website identity & response

Public page metadata
Page titleOpenSea, exchange everything — token trading and NFT marketplace
First headingDiscover
DescriptionOpenSea, exchange everything — token trading and NFT marketplace. Welcome to the best place to discover, trade, and create onchain.
Canonical URLhttps://opensea.io
Final URLhttps://opensea.io/
HTTP response200 · text/html; charset=utf-8 · duration unavailable
Languageen-US
Structured typesBreadcrumbList · ListItem · WebSite
Faq page detectedhttps://opensea.io/faqPage page detectedhttps://opensea.io/collectionsSupport page detectedhttps://opensea.io/support
present100% evidence confidence
1100% evidence confidence
1100% evidence confidence
1100% evidence confidence
2100% evidence confidence
1100% evidence confidence
1100% evidence confidence
en-US100% evidence confidence
1100% evidence confidence
Local cookies.cookies missing secure100% evidence confidence
Local cookies.cookies missing samesite100% evidence confidence
3100% evidence confidence
4100% evidence confidence
48100% evidence confidence
2100% evidence confidence
5100% evidence confidence
unavailable100% evidence confidence
Dns consistency.cname present100% evidence confidence
15552000100% evidence confidence
Local headers.permissions policy present100% evidence confidence
1100% evidence confidence
1100% evidence confidence
4100% evidence confidence
1100% evidence confidence
Local headers.csp wildcard sources100% evidence confidence
1100% evidence confidence
Local headers.csp unsafe eval100% evidence confidence
1100% evidence confidence
1100% evidence confidence
1100% evidence confidence
Local headers.cors wildcard origin100% evidence confidence
Local headers.cors present100% evidence confidence
Local headers.cors credentials with wildcard100% evidence confidence
unsafe-none100% evidence confidence

Connection path

Redirect chain

0 recorded hops

No redirect hop was recorded for the sampled homepage.

Premium monitoring

Catch downtime and security changes automatically

Regular checks, availability history, and alert emails are reserved for Premium websites. Free reports remain point-in-time scans and do not create recurring server work.

Enable monitoring for this website

Compared with the previous scan

What changed

Safety ScoreNo comparable score
HTTP statusUnavailable → 200
Final URL changedYes
Technologies addedbootstrap, cloudflare, nextjs, tailwind
Technologies removedNone observed

This comparison uses persisted scan evidence only. A changed signal can reflect a real website change, a different response or newly available evidence.

Explainable matching

Digital fingerprint

fingerprint-v1
rapid-signal-field-466

Comparable components help find technically related websites. A match does not prove common ownership.

DnsHashed private comparison value
TechnologiesHashed private comparison value

Material changes only

Change history

No meaningful changes recorded yet.

Website icon for opensea.io

Visual evidence

Website screenshot

Screenshot of opensea.io
Captured once in an isolated browser during this scan. Visual tint is an interface overlay. The original evidence is not duplicated.

For site owners

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Questions about opensea.io

FAQ

Still have questions? Contact us →
Is opensea.io safe to visit?

The latest Safety Score is 69/100 with 70% Evidence Confidence. This is a point-in-time assessment of observed technical signals, not a guarantee. Check the exact address and avoid entering payment details if anything looks unusual.

Did the scan detect malware on opensea.io?

ClamAV found no signature match in the sampled homepage HTML. External scripts, downloads and private server files were not checked. This is not a whole-site malware clearance.

When was opensea.io registered?

The registry lookup did not provide a reliable creation date in this scan.

Did opensea.io have a valid TLS certificate?

The scanner observed a valid TLS certificate using TLSv1.3. A valid certificate alone does not establish that the site is safe.

Can a paid listing change this website's score?

No. Premium placement and owner-supplied pages are labelled separately. Technical evidence, the Safety Score and moderation decisions remain independent.