Hosting check
Who hosts anthropic.com?
anthropic.com is behind Cloudflare, which hides the origin host. DNS by Cloudflare. Email by Google Workspace.
Checked 14 Oct 2026 at 09:40 UTC
- Domain
anthropic.com
- DNS
Cloudflare
- Email
Google Workspace
- CDN
- NetworkAnthropic, PBC
- Server160.79.104.10
Server
Anycast: nearest of many locations
160.79.104.10
Anthropic, PBC · AS399358
🇺🇸San Francisco, United States
Checks
5 of 6 checks pass
Warnings are worth a look, but nothing is broken.
Hosting provider
Low confidence
Cloudflare
CDNOrigin host hidden. A CDN answers for this site and hides the origin server, so the real host is not visible from outside.
- CDN
Answers every request and forwards it to an origin server it does not reveal. The IP address below belongs to the CDN.
- NetworkAnthropic, PBCAS399358 · 160.79.104.0/23
Owns the IP address that answered our lookup.
How we know
3 signals- NetworkAS399358Anthropic, PBC
- Headercf-ray: a4a59eed39df3b83-HELCloudflare
- Headerserver: cloudflareCloudflare
IP & network
160.79.104.10 · San Francisco
- IP address
- 160.79.104.10
- Network
- Anthropic, PBCAS399358
- Route
- 160.79.104.0/23
- Location
- San Francisco, California, United StatesAnycast: where our lookup landed
- Timezone
- America/Los_Angeles
This is an anycast address: many locations announce it, and each visitor reaches the nearest one. The location above is only where our lookup landed.
Coordinates, postal code and company
Geolocation describes the network's registered location, not a street address. For a data center IP the postal code and coordinates are approximate.
- Coordinates
- 37.7915,-122.4018
- Postal code
- 94104
- Country code
- US
DNS records
39 records in 6 types
- A
1 record
IPv4 addresses the name points to
- 160.79.104.10
- AAAA
1 record
IPv6 addresses the name points to
- 2607:6bc0::10
- NS
2 records
Nameservers that answer for the zone
- isla.ns.cloudflare.com
- randy.ns.cloudflare.com
- MX
5 records
Mail servers, lowest priority first
- 1 aspmx.l.google.com
- 10 alt3.aspmx.l.google.com
- 10 alt4.aspmx.l.google.com
- 5 alt1.aspmx.l.google.com
- 5 alt2.aspmx.l.google.com
- SOA
1 record
Zone authority: primary nameserver, admin mailbox and timers
- isla.ns.cloudflare.com dns.cloudflare.com 2417421283 10000 2400 604800 1800
- TXT
29 records
1 SPF policy, 22 ownership proofs, 6 other
- 1password-site-verification=TO6XSBV6G5CTTA3Z3KKW2BS44M
- 5fnm79lyb330pg223w4zouc1qqd6ke2
- 6c43f0e4-7a6e-41f1-b393-a467b815c9ab
- MS=ms40192081
SSL certificate
- Status
- Valid certificateTrusted by browsers and covers anthropic.com. Expires in 51 days.
- Issuer
- Let's Encrypt (YE1)
- Common name
- anthropic.com
- Protocol
- TLSv1.3
- Valid from
- September 5, 2026 at 06:42 PM UTC
- Valid to
- December 4, 2026 at 06:42 PM UTCExpires in 51 days
Covered hostnames
1 name- anthropic.com
Certificate chain
5 certificatesanthropic.com
Server certificate · Issued by Let's Encrypt (YE1) · Valid to 04 Dec 2026
Let's Encrypt (YE1)
Intermediate · Issued by ISRG (Root YE) · Valid to 02 Sept 2028
ISRG (Root YE)
Intermediate · Issued by Internet Security Research Group (ISRG Root X2) · Valid to 02 Sept 2032
Internet Security Research Group (ISRG Root X2)
Intermediate · Issued by Internet Security Research Group (ISRG Root X1) · Valid to 02 Sept 2032
Internet Security Research Group (ISRG Root X1)
Root · Valid to 04 Jun 2035
Serial number and fingerprints
- Serial number
- 05D7B91A06C7A4BB3B9BAB194D3F899A79B5
- SHA-256
- 27:4F:64:3F:9B:8B:09:F1:C9:50:22:80:01:2B:32:93:B4:2D:D3:9D:9E:E0:03:F1:F2:7F:61:57:02:60:B3:A5
- SHA-1
- F8:0D:5C:FD:15:26:75:2F:AD:82:63:2E:00:8E:13:75:B9:24:81:C2
Domain registration
Registered 02 Oct 2001
Expires in 2,545 daysRegistration data for anthropic.com, from the registry's RDAP or WHOIS service.
- Registrar
- MarkMonitor Inc.IANA ID 292
- Registrant
- Anthropic PBCUS
- Registered
- 02 Oct 200125 years old
- Expires
- 02 Oct 2033Expires in 2,545 days
- Last updated
- 09 Oct 2023
- DNSSEC
- Unsigned
- Abuse email
- abusecomplaints@markmonitor.com
- Abuse phone
- +1.2086851750
Nameservers
2 nameservers- isla.ns.cloudflare.com
- randy.ns.cloudflare.com
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