Website reputation report

courier.com

Last checked 9 hours ago · Point-in-time assessment

● Evidence is limited

What is this website?

courier.com is currently classified in the Software category based on observed public pages. An About page was also found. The sampled pages were marked as English-language. Recurring page-metadata topics include notifications, in app, customer.

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

74/100Safety Score
75%Evidence Confidence
Trust Radar evidence profile Eight evidence dimensions from zero to one hundred. Exact values surround the chart. Threat Intelligence55 Domain History95 Infrastructure92 Website Security95 Security Hygiene60 Transparency57 Reputation50 Operational Stability85
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 courier.com

Updated Oct 2, 2026

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

Purpose and visible content

On its About page, the site says: Courier is critical notification infrastructure for your application. Request a demo of our API and web platform.

Registrar and domain history

Registered on Sep 9, 1993. Registrar: Amazon Registrar, Inc..

Recorded expiry date: Sep 8, 2029. Registry data can change.

Connection and hosting evidence

The checked homepage returned HTTP 200 in about 1000 ms.

A valid TLS certificate was observed, expiring Dec 5, 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: 74/100. Evidence Confidence: 75%. These measure different things.

Public content profile

Pages reviewed on courier.com

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.

Courier | Customer messaging platform for humans & AI agentsThe messaging platform for humans and AI agents. Send multichannel notifications across email, push, SMS, Slack, and more, with journeys and preferences built in. Request Demo | CourierCourier is critical notification infrastructure for your application. Request a demo of our API and web platform. Journeys: Automated Customer Engagement | CourierTurn product signals into automated customer engagement. Easily build multi-step journeys with segmentation, timing, and cross-channel delivery. Notification Infrastructure for Developers | CourierShip notifications without maintaining the management and delivery layer. Multi channel routing, provider management, retries, throttling, and unified delivery tracking. In-App Notifications | Courier InboxEasily embed a fully customizable in-app notification center and toasts experience in your web and mobile app. SDKs available for React, JavaScript, React Native, iOS, Android, and Design Studio: Multi-Channel Notification Builder | CourierBuild, preview, and ship messages for email, SMS, push, in-app, Slack, Teams, & WhatsApp. Courier Design Studio pairs a visual editor with full API access. Pricing | Multichannel Notifications & Customer MessagingUsage-based pricing for multichannel notifications and messaging. Start free with 10,000 sends/month, then $0.005 per send, across email, push, SMS, in-app, and chat. Courier docs: send and automate customer messages - CourierSend and automate customer messages across email, SMS, push, Slack, chat, and in-app, all from one API. How Twilio Unified In-App Notifications for 10M Developers Using CourierSee how Twilio built a real-time in-app notification center with Courier, reaching 10M developers, boosting engagement, and delivering a more consistent user experience. How Trusted Health Built Product Notifications for Hospital Workforce ManagementLearn how Trusted Health built product-driven notifications for hospital workforce management, giving engineering teams direct control without duplicated data or inflexible marketi

Public page evidence

Topics and keywords observed on courier.com

12 phrases

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

notificationsTitle, H1, Meta description7 sampled pages
in appTitle, H1, Meta description5 sampled pages
customerTitle, H1, Meta description4 sampled pages
notificationTitle, H1, Meta description5 sampled pages
sendTitle, H1, Meta description4 sampled pages
app notificationsTitle, H12 sampled pages
builtTitle, H1, Meta description3 sampled pages
messagingTitle, H1, Meta description2 sampled pages
platformTitle, H1, Meta description2 sampled pages
productTitle, H1, Meta description2 sampled pages
customer messagingTitle, H12 sampled pages
acrossH1, Meta description4 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%
95/100

Domain registration age and expiry were checked.

InfrastructureWeight 10%
92/100

Observed DNS records and network address were checked.

Website SecurityWeight 15%
95/100

Observed certificate validity and TLS protocol were checked.

Security HygieneWeight 15%
60/100

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%
57/100

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%
85/100

Observed HTTP status and final connection scheme were checked.

Server-side analysis

Automated security checks

Local antivirus and phishing checks

ClamAV · homepage HTMLLocal antivirus is not enabled
Phishing.Database · exact hostnameLocal feed snapshot unavailable

Sampled scripts and pages

Resource antivirus is not enabled

0 resources checked · 1 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 scripts1
Inline scripts3
Embedded frames0
External script hosts1

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 domaincourier.com
RegistrarAmazon Registrar, Inc.
RegisteredSep 9, 1993
Domain age33 years
ExpiresSep 8, 2029
Registry statusesclient transfer prohibited
Report statePublished

Infrastructure

Network & hosting

Observed endpoint, not legal location
IP address76.76.21.21
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://www.courier.com/
Endpoint76.76.21.21
NetworkUnavailable
CDN and WAFCloudflare · Not detected
DNS surface21 records · 4 nameservers · 5 mail exchangers
Protection signals4 security headers · 1 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 size1,391,455 bytes
HTTP check duration1,000 ms
Cookies observedUnavailable
Script resources1 · 1 external hosts
Frames and sampled checks0 frames · 0 resources checked

Encrypted transport

TLS certificate

Valid when observed
StatusValid when observed
ProtocolTLSv1.3
IssuercountryName=US, organizationName=Let's Encrypt, commonName=YR2
Valid fromSep 6, 2026
Valid untilDec 5, 2026
Certificate namescourier.com

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.

A76.76.21.21TTL —
NSns-1038.awsdns-01.orgTTL —
NSns-1982.awsdns-55.co.ukTTL —
NSns-441.awsdns-55.comTTL —
NSns-548.awsdns-04.netTTL —
MX1 aspmx.l.google.comTTL —
MX10 alt3.aspmx.l.google.comTTL —
MX10 alt4.aspmx.l.google.comTTL —
MX5 alt1.aspmx.l.google.comTTL —
MX5 alt2.aspmx.l.google.comTTL —
TXTapple-domain-verification=8qNLcffGhRWhFO94TTL —
TXTgoogle-site-verification=7b2K2owln05NW1dkXtHOmAtrASSfZAJ8kI0LQUNu5ksTTL —
TXTgoogle-site-verification=g4CG6hv0onhw1QiwPLaY3h7oBnfWENUNiWdUm28pqF0TTL —
TXTgoogle-site-verification=Y-j2Wi_5JQHIOABYrU2lPcYNll-XuymSv7_-EiSKx2YTTL —
TXTgoogle-site-verification=ZF0_st2b0Cyhg_bKiTjGp6iYCAZI5TzJmkRuBJP2R6gTTL —
TXThttps://issues.sonatype.org/browse/OSSRH-64486TTL —
TXTpostman-domain-verification=efbb264fa3bff263d8c4f7cb0b752fa2d94422007f34d20304732e346c0417bbd73cc98470892840746f2a99385bc7681579e9575dd2254ffe66a9469fa24cb8TTL —
TXTsegment-site-verification=ieTuLEPaJXR6Id3hvo1izTU5TKIzu96dTTL —
TXTstripe-verification=a8a5634a93cb68faf80478238e81cbf138d9c99eb714c87399d457ae7a5a8b4dTTL —
TXTv=spf1 include:_spf.mailersend.net include:_spf.google.com include:sendgrid.net include:spf.mtasv.net ~allTTL —
TXTZOOM_verify_2DHilZPBSnCdDGbYf8ZqfgTTL —

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.

SPFPolicy record observed, not fully validated
DMARCDMARC policy applies to a sample of messages

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

No readable security.txt file was observed at the standard locations. This is informational and is not evidence of malware.

Browser protections

Security headers

4 observed
content-security-policypresent base-uri 'self'; connect-src 'self' 'strict-dynamic' inbox.courier.com wss://realtime.courier.io static.hsappstatic.net 9xgnrndqve.execute-api.us-west-2.amazonaws.com https://9xgnrndqve.execute-api.us-west-2.amazonaws.com https://pro.ip-api.com https://alocdn.com/c/vn3d8u2u/a/xtarget/p.json https://*.liadm.com https://a.usbrowserspeed.com ka-p.fontawesome.com *.framer.com framerusercontent.com api.segment.io cdn.segment.com api-iam.intercom.io forms.hubspot.com api-na2.hubapi.com *.google-analytics.com wss://nexus-websocket-a.intercom.io api.hubapi.com *.google.com stats.g.doubleclick.net api.hsforms.com vitals.vercel-insights.com vercel.live *.google-analytics.com analytics.google.com pagead2.googlesyndication.com status.courier.com api.mintlifytrieve.com leaves.mintlify.com cloudflare-dns.com dns.google; default-src 'self' strict-dynamic https://*.liadm.com; font-src 'self' 'unsafe-inline' data: *; form-action calendly.com; frame-ancestors 'self'; frame-src edit.framer.com *.youtube.com *.googletagmanager.com intercom-sheets.com bid.g.doubleclick.net *.loom.com play.hubspotvideo.com vercel.live td.doubleclick.net; img-src 'self' 'unsafe-inline' data: *; manifest-src 'self'; media-src 'self' js.intercomcdn.com; object-src 'none'; script-src 'self' 'unsafe-inline' widget.intercom.io *.google-analytics.com *.googletagmanager.com cdn.segment.com js.hs-analytics.net js-na2.hs-analytics.net js-na2.hs-scripts.com js-na2.hs-banner.com js-na2.hsadspixel.net js.hscollectedforms.net js.intercomcdn.com *.google.com *.googleadservices.com googleads.g.doubleclick.net stats.g.doubleclick.net js.hsleadflows.net vitals.vercel-insights.com *.hsappstatic.net *.cloudfront.net *.cloudflareinsights.com https://ddwl4m2hdecbv.cloudfront.net/b/ https://b-code.liadm.com/lc2.js https://rp.liadm.com idx.liadm.com 'unsafe-eval'; script-src-elem 'self' 'unsafe-inline' app.framerstatic.com s3-us-west-2.amazonaws.com kit.fontawesome.com framer.com *.framer.com framerusercontent.com fdr-prod-docs-files-public.s3.amazonaws.com widget.intercom.io *.google-analytics.com *.googletagmanager.com cdn.segment.com js.hs-analytics.net js-na2.hs-analytics.net js-na2.hs-scripts.com js-na2.hs-banner.com js-na2.hsadspixel.net js.hscollectedforms.net js.intercomcdn.com *.google.com *.googleadservices.com googleads.g.doubleclick.net stats.g.doubleclick.net js.hsleadflows.net vitals.vercel-insights.com *.googleoptimize.com vercel.live js.hs-scripts.com *.hsappstatic.net *.cloudfront.net *.cloudflareinsights.com https://ddwl4m2hdecbv.cloudfront.net/b/ https://b-code.liadm.com/lc2.js https://rp.liadm.com idx.liadm.com; style-src 'self' 'unsafe-inline' *; style-src-elem 'self' 'unsafe-inline' *; worker-src 'self' blob:
cross-origin-opener-policypresent same-origin
strict-transport-securitypresent max-age=31536000
x-content-type-optionspresent nosniff

Response headers

Cookie protections

Passive observation

No Set-Cookie header was observed on the sampled homepage response. Other pages may set cookies separately.

Detected stack

Technologies

Cloudflare 98%

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

JavaScript advisory analysis could not be completed or no eligible script files were sampled. No clean result is implied.

About this website

What the site says about itself

Courier is critical notification infrastructure for your application. Request a demo of our API and web platform.

View the site's About page ↗

This is publisher supplied information. The independent safety findings are shown separately.

Structured facts

Website identity & response

Public page metadata
Page titleCourier | Customer messaging platform for humans & AI agents
First headingThe customer messaging platform for humans & agents
DescriptionThe messaging platform for humans and AI agents. Send multichannel notifications across email, push, SMS, Slack, and more, with journeys and preferences built in.
Canonical URLhttps://www.courier.com/
Final URLhttps://www.courier.com/
HTTP response200 · text/html · 1000 ms
Languageen
Structured typesOnlineBusiness · SoftwareApplication · WebSite
Page page detectedhttps://www.courier.com/platform/notification-infrastructureAbout page detectedhttps://www.courier.com/request-demo
Local headers.permissions policy present100% evidence confidence
1100% evidence confidence
en100% evidence confidence
1100% evidence confidence
missing100% evidence confidence
Local headers.cors wildcard origin100% evidence confidence
Dns consistency.cname present100% evidence confidence
unavailable100% evidence confidence
5100% evidence confidence
4100% evidence confidence
21100% evidence confidence
same-origin100% evidence confidence
Local headers.cors credentials with wildcard100% evidence confidence
1100% evidence confidence
1100% evidence confidence
1100% evidence confidence
1100% evidence confidence
1100% evidence confidence
1100% evidence confidence
1100% evidence confidence
1100% evidence confidence
Local headers.hsts include subdomains100% evidence confidence
31536000100% evidence confidence
Local headers.hsts preload100% evidence confidence
1100% evidence confidence

Connection path

Redirect chain

1 recorded hops
Hop 1https://www.courier.com/

The chain is shown exactly as observed by the scanner. A redirect is not itself a malware finding, but unexpected domains or an HTTP downgrade deserve review.

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

A comparison will appear after the next completed scan.

Explainable matching

Digital fingerprint

fingerprint-v1
steady-shield-wave-637

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 courier.com

Visual evidence

Website screenshot

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

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Questions about courier.com

FAQ

Still have questions? Contact us →
Is courier.com safe to visit?

The latest Safety Score is 74/100 with 75% 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 courier.com?

External threat-provider coverage was unavailable for this scan, so malware status is unverified.

When was courier.com registered?

The public registry record shows Sep 9, 1993. Registration details may be privacy-protected or updated later.

Did courier.com 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.

How does courier.com describe itself?

The website's About page describes its purpose in the report above. This is publisher-supplied information and is separate from independent security findings.

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.