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Gridlode
Rank #577Updated November 10, 2026

claude.com

Claude by Anthropic | The AI for problem solvers

claude.com is registered with MarkMonitor Inc. since May 24, 1995 (31.5 years). The registration expires on May 23, 2028. The site runs on Next.js, React, Cloudflare and 2 other technologies. Its email security grade is D. Its SSL certificate is issued by Google Trust Services and is valid for 42 more days.

Domain age
31.5 yrs
Technologies
5
Email security
D
SSL days left
42

Registration

RegistrarMarkMonitor Inc.
IANA ID292
RegisteredMay 24, 1995
ExpiresMay 23, 2028
UpdatedDecember 19, 2024
Statusclient delete prohibited, client transfer prohibited, client update prohibited
Name serversisla.ns.cloudflare.com, randy.ns.cloudflare.com
DNSSECNot signed

DNS records

TypeValueTTL
A160.79.104.10293
NSisla.ns.cloudflare.com86400
NSrandy.ns.cloudflare.com86400
TXT_1pz47wz9mfanwtolhihbi5vkvpsstqc300
TXTgoogle-site-verification=AwCGr-gwjTBRGJCQe1RMrOskL35SCnXD7nTgRLOoi3o300
TXTgoogle-site-verification=QZP3DPlaFGwYlsM6Eqv3Qi30SI_tciQqxA7PcQYfDs8300
TXTgoogle-site-verification=dDuljHA8qYpNOjccmeFO2Lz0yzmQIy61E1zRioTNiD4300
TXTgoogle-site-verification=hC-6QAiwN_yMi4W3VdKF7tt48l6pVXyjXpfVZB5H274300
TXTv=MCPv1; k=ed25519; p=0OMhuh6D4YvceAMLuTqrtiRWip6S71lk09JGk2kpCoo=300
AAAA2607:6bc0::10207

Technology stack

JavaScript framework
Programming language
Security

SSL certificate

ValidValid
IssuerUS, WE1, Google Trust Services
ExpiresDecember 22, 2026
Days remaining42
ProtocolTLSv1.3
Namesclaude.com, content-cdn.claude.com, *.content-cdn.claude.com

Email security

DScore 57/100 across SPF, DMARC, DKIM, MTA-STS and BIMI.
  • badNo SPF record. Anyone can send email that claims to come from claude.com. Domains that send no email should publish "v=spf1 -all".
  • warnNo DKIM key found at common selectors (google, selector1, selector2, default, k1, k2, s1, s2, ...). DKIM may still use a custom selector we cannot guess.
  • warnNo MX records: this domain cannot receive email.
  • goodDMARC policy is reject: mail that fails authentication is blocked.
  • goodDMARC aggregate reports are sent to mailto:[email protected].
  • goodBIMI record found: supporting inboxes can show your brand logo.

Homepage metadata

TitleClaude by Anthropic | The AI for problem solvers
DescriptionClaude is an AI assistant built by Anthropic and designed to be helpful, honest, and harmless, so you can do your best work.
Languageen
Canonicalhttps://claude.com
Structured dataWebSite, Organization, Brand
IndexableYes
Word count995

About claude.com

Who is the registrar of claude.com?

claude.com is registered with MarkMonitor Inc. (IANA ID 292).

When does claude.com expire?

The current registration of claude.com expires on May 23, 2028. It was first registered on May 24, 1995.

What technology does claude.com use?

We detected 5 technologies on claude.com, including Cloudflare, Next.js, React, Node.js, HSTS.

Does claude.com protect its email with SPF and DMARC?

claude.com scores 57/100 (grade D) for email security. No SPF record. Anyone can send email that claims to come from claude.com. Domains that send no email should publish "v=spf1 -all". No DKIM key found at common selectors (google, selector1, selector2, default, k1, k2, s1, s2, ...). DKIM may still use a custom selector we cannot guess.

What are the name servers of claude.com?

claude.com uses isla.ns.cloudflare.com, randy.ns.cloudflare.com.