Website reputation report

davidbrin.com

Last checked 3 hours ago · Point-in-time assessment

● Local security concerns found

What is this website?

The official website of best-selling science fiction writer and futurist DAVID BRIN

Local security concerns foundReview the observed form or connection issues below. These findings do not establish malware or phishing.

70/100Safety 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 Infrastructure93 Website Security95 Security Hygiene35 Transparency44 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 davidbrin.com

Updated Oct 2, 2026

The latest scan examined 10 public pages on davidbrin.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: Find out about best-selling science fiction writer and futurist DAVID BRIN

Registrar and domain history

Registered on Apr 20, 1999. Registrar: Network Solutions, LLC.

Recorded expiry date: Apr 20, 2027. 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 Nov 15, 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: 70/100. Evidence Confidence: 75%. These measure different things.

Public content profile

Pages reviewed on davidbrin.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.

Hashtags found on the website: #AmazonCommissionsEarned . These are site-supplied labels, not search rankings.

worlds of David BrinThe official website of best-selling science fiction writer and futurist DAVID BRIN about DAVID BRINFind out about best-selling science fiction writer and futurist DAVID BRIN DAVID BRIN's frequently asked questionsDuring interviews and question-and-answer sessions, I am frequently asked about writing, Science Fiction, internet security, and the future. On this page I've posted my most freque DAVID BRIN's press kit and backgrounderThe press kit and backgrounder for best-selling science fiction writer DAVID BRIN. DAVID BRIN booksDAVID BRIN's best-selling, Hugo- and Nebula-winning science fiction and nonfiction novels and books. DAVID BRIN's shorter fictionShort stories and novellas have different rhythms and artistic flavor than a complete novel. Many of DAVID BRIN's can be read here. public speaking and consultingDAVID BRIN speaks plausibly and entertainingly about trends in technology and society, including some of the challenges that may confront our rambunctious civilization in the decad the internet and social mediaWho could've predicted that the internet and social media would play such an important role in the 21st Century? Well, DAVID BRIN did, but that's another story. DAVID BRIN looks at science and technologyDAVID BRIN's science questions and answers: What are we discovering about ourselves and our world? What new tools are the world's greatest toolmakers devising? The Transparent SocietyIn THE TRANSPARENT SOCIETY: Will Technology Force Us to Choose Between Privacy and Freedom?, David Brin examines the challenges of respecting privacy while monitoring security in t

Public page evidence

Topics and keywords observed on davidbrin.com

12 phrases

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

david brinTitle, H1, Meta description10 sampled pages
scienceTitle, H1, Meta description6 sampled pages
fictionTitle, H1, Meta description6 sampled pages
science fictionMeta description5 sampled pages
of davidTitle, H1, Meta description3 sampled pages
technologyTitle, H1, Meta description3 sampled pages
sellingH1, Meta description4 sampled pages
societyTitle, H1, Meta description2 sampled pages
fiction writerMeta description3 sampled pages
selling scienceMeta description3 sampled pages
questionsTitle, H1, Meta description2 sampled pages
internetTitle, Meta description2 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%
93/100

Observed DNS records and network address were checked.

Website SecurityWeight 15%
95/100

Observed certificate validity and TLS protocol were checked.

Security HygieneWeight 15%
35/100

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. Local checks found potentially unsafe form markup or unencrypted active resources. See Automated security checks for the evidence.

TransparencyWeight 5%
44/100

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 · 12 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 scripts12
Inline scripts8
Embedded frames1
External script hosts2

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

HTTP scripts or frames on an HTTPS pageSecurity concern · 1

The markup references active resources over HTTP. Browsers may block or upgrade them. This is not evidence that a harmful script ran.

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 domaindavidbrin.com
RegistrarNetwork Solutions, LLC
RegisteredApr 20, 1999
Domain age27 years
ExpiresApr 20, 2027
Registry statusesactive
Report statePublished

Infrastructure

Network & hosting

Observed endpoint, not legal location
IP address216.222.197.157
Autonomous systemUnavailable
Network organizationUnavailable
Observed countryUnavailable
CDNNot detected
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://davidbrin.com/
Endpoint216.222.197.157
NetworkUnavailable
CDN and WAFNot detected · Not detected
DNS surface13 records · 2 nameservers · 1 mail exchangers
Protection signals0 security headers · 3 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 size46,861 bytes
HTTP check duration1,000 ms
Cookies observedUnavailable
Script resources12 · 2 external hosts
Frames and sampled checks1 frames · 0 resources checked

Encrypted transport

TLS certificate

Valid when observed
StatusValid when observed
ProtocolTLSv1.3
IssuercountryName=US, organizationName=Let's Encrypt, commonName=YR1
Valid fromAug 17, 2026
Valid untilNov 15, 2026
Certificate names*.davidbrin.com · davidbrin.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.

A216.222.197.157TTL —
NSns1.hostpapa.comTTL —
NSns2.hostpapa.comTTL —
MX0 davidbrin.comTTL —
CAA0 issue "globalsign.com"TTL —
CAA0 issue "letsencrypt.org"TTL —
CAA0 issue "pki.goog"TTL —
CAA0 issue "sectigo.com"TTL —
CAA0 issuewild "globalsign.com"TTL —
CAA0 issuewild "letsencrypt.org"TTL —
CAA0 issuewild "pki.goog"TTL —
CAA0 issuewild "sectigo.com"TTL —
TXTv=spf1 ip4:216.222.197.157 ip4:204.44.192.17 +a +mx +include:spf.servername.online ~allTTL —

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
DMARCNo matching record returned for this exact hostname

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

0 observed

Header evidence is unavailable. Missing data is not treated as a clean result or proof of compromise.

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

Bootstrap 80% jQuery 1.8.3 82% Nginx 93%

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.

Recommended maintenance checks

jQueryConfirm the observed jQuery version is supported by your application and update it through your normal dependency process.
NginxReview the Nginx branch and keep security patches current. Avoid exposing detailed server version headers.

About this website

What the site says about itself

Find out about best-selling science fiction writer and futurist DAVID BRIN

View the site's About page ↗

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

Publisher supplied

Public contact details

These details were observed on the website, not independently verified as an active support channel.

Emailmail@davidbrin.comSource: https://davidbrin.com/
Emailinfo@davidbrin.comSource: https://davidbrin.com/#news
Emailwebmaster@davidbrin.comSource: https://davidbrin.com/#news

Structured facts

Website identity & response

Public page metadata
Page titleworlds of David Brin
First headingDAVID BRIN: scientist, best-selling author, tech-consultant and speaker
DescriptionThe official website of best-selling science fiction writer and futurist DAVID BRIN
Canonical URLhttps://davidbrin.com/
Final URLhttps://davidbrin.com/
HTTP response200 · text/html · 1000 ms
Languageen
Structured typesNone observed
Faq page detectedhttps://davidbrin.com/faq.htmlPage page detectedhttps://davidbrin.com/presskit.htmlAbout page detectedhttps://davidbrin.com/about.html
1100% evidence confidence
1100% evidence confidence
en100% evidence confidence
1100% evidence confidence
missing100% evidence confidence
Local headers.cors present100% evidence confidence
Dns consistency.cname present100% evidence confidence
unavailable100% evidence confidence
1100% evidence confidence
2100% evidence confidence
13100% evidence confidence
Local headers.cors credentials with wildcard100% evidence confidence
1100% evidence confidence
Local headers.cors wildcard origin100% evidence confidence
Local headers.csp present100% evidence confidence
Local headers.hsts present100% evidence confidence
Local headers.permissions policy present100% 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

A comparison will appear after the next completed scan.

Explainable matching

Digital fingerprint

fingerprint-v1
rapid-beacon-ring-312

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 davidbrin.com

Visual evidence

Website screenshot

Screenshot of davidbrin.com
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 davidbrin.com

FAQ

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

The latest Safety Score is 70/100 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 davidbrin.com?

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

When was davidbrin.com registered?

The public registry record shows Apr 20, 1999. Registration details may be privacy-protected or updated later.

Did davidbrin.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 davidbrin.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.