anthropic.com - robtex.com
anthropic.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2607:6bc0::10🇺🇸 AS3993582607:6bc0::/48 . ✓ In HTTPS hints | ||||||
| A | 160.79.104.10🇺🇸 AS399358160.79.104.0/23 . ✓ In HTTPS hints | ||||||
| NS | isla.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3a77🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | isla.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c077🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | isla.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2077🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | isla.ns.cloudflare.com | ||||||
| A | 108.162.192.119🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | isla.ns.cloudflare.com | ||||||
| A | 172.64.32.119🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | isla.ns.cloudflare.com | ||||||
| A | 173.245.58.119🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | isla.ns.cloudflare.com | ||||||
| NS | randy.ns.cloudflare.com | ||||||
| A | 2606:4700:58::a29f:2c6d🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | randy.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c36d🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | randy.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:236d🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | randy.ns.cloudflare.com | ||||||
| A | 108.162.195.109🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | randy.ns.cloudflare.com | ||||||
| A | 162.159.44.109Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | randy.ns.cloudflare.com | ||||||
| A | 172.64.35.109🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | randy.ns.cloudflare.com | ||||||
| MX | aspmx.l.google.com ⭐ | ||||||
| A | 2607:f8b0:4004:c19::1b🇺🇸 Google2607:f8b0:4004::/48 | ||||||
| PTR | bk-in-f27.1e100.net | ||||||
| A | 172.253.62.27🇺🇸 Google172.253.62.0/24 | ||||||
| PTR | bc-in-f27.1e100.net | ||||||
| MX | alt1.aspmx.l.google.com(5) | ||||||
| A | 2607:f8b0:4003:c30::1b🇺🇸 Google2607:f8b0:4003::/48 | ||||||
| PTR | yutulis-in-f27.1e100.net | ||||||
| A | 74.125.27.26🇺🇸 Google74.125.27.0/24 | ||||||
| PTR | yutulis-in-f26.1e100.net | ||||||
| MX | alt2.aspmx.l.google.com(5) | ||||||
| A | 2607:f8b0:4001:c70::1a🇺🇸 Google2607:f8b0:4001::/48 | ||||||
| PTR | yucbful-in-f26.1e100.net | ||||||
| A | 192.178.209.26🇺🇸 Google192.178.209.0/24 | ||||||
| PTR | yucbful-in-f26.1e100.net | ||||||
| MX | alt3.aspmx.l.google.com(10) | ||||||
| A | 2607:f8b0:4024:c0d::1b🇺🇸 Google2607:f8b0::/32 | ||||||
| PTR | mj-in-f27.1e100.net | ||||||
| A | 192.178.152.26🇺🇸 Google192.178.152.0/24 | ||||||
| PTR | mj-in-f26.1e100.net | ||||||
| MX | alt4.aspmx.l.google.com(10) | ||||||
| A | 2607:f8b0:4023:403::1a🇺🇸 Google2607:f8b0::/32 | ||||||
| PTR | gg-in-f26.1e100.net | ||||||
| A | 142.250.96.27🇺🇸 Google142.250.96.0/24 | ||||||
| PTR | gg-in-f27.1e100.net | ||||||
| TXT | 1password-site-verification=TO6XSBV6G5CTTA3Z3KKW2BS44M | ||||||
| TXT | 5fnm79lyb330pg223w4zouc1qqd6ke2 | ||||||
| TXT | 6c43f0e4-7a6e-41f1-b393-a467b815c9ab | ||||||
| TXT | MS=ms40192081 | ||||||
| TXT | MS=ms86816014 | ||||||
| TXT | W6bXmYleKF5pLbpxzw6VcHcQTIyYh2M | ||||||
| TXT | airtable-verification=cc359049c1ed2f7ecb0260b495a935bc | ||||||
| TXT | asv=0f0dc2f902c508ffccf27f9408c23483 | ||||||
| TXT | atlassian-domain-verification=I9Xbb3XhdwM(0x356578)lpz4aYPu3j6WwEaPCBQwANPQYdbYWWnqi... | ||||||
| TXT | atlassian-sending-domain-verification=80547484-e42a-4b89-bf3c-d8ffd4c3ebab | ||||||
| TXT | ca3-f11ea7ccbb494dba9a917fa7a141e281 | ||||||
| TXT | cursor-domain-verification-crx2da=6b38eKFnztmRYqLTALmFfsXSO | ||||||
| TXT | elevenlabs=gYHFc9PeL2d2VTBdDhfMyRlxwOup_wM5bPLhmo2zux0 | ||||||
| TXT | google-site-verification=KkmsJvGLnpKf_BQwhAx5mnK2OmoQPzrxES2P_0dD5rA | ||||||
| TXT | google-site-verification=_NED9Pp6OpundSy6MNEyuIbF-8mqgRoE2iGQDqH4wKo | ||||||
| TXT | google-site-verification=hcpp8MUuEqp_24yZzaMvQheLydlnxVWZ4Bbsv3rJocc | ||||||
| TXT | google-site-verification=lZ-Chr9wqR_c_yVXYrxvZjm7r4Dg44mLMda6GvQSaPA | ||||||
| TXT | google-site-verification=yIJD2JqRVo-AOCE_9rySL9RZFZDM9a_GatXkDuHGqmY | ||||||
| TXT | h1-domain-verification=ZEejAhpyT5wfKiZRsXi87LTQKM2QBySRC61439biYN9Jnq66 | ||||||
| TXT | jetbrains-domain-verification=53i175ssi0qal446eoubiiun1 | ||||||
| TXT | segment-site-verification=bh66TwguDMclltZFX2wYU8sv2xwL0jYt | ||||||
| TXT | slack-domain-verification=j7g4p0r5GSLrk9O1CswTYqsKJRFURuy5qGKvmAbU | ||||||
| TXT | stripe-verification=421fc24e5cd4975f8577d411a2c34072be068dab6321e75505da641da... | ||||||
| TXT | stripe-verification=b4a23f9e5d7d2b9b0c10967235226410439ba826a420b7425970bf11d... | ||||||
| TXT | v=spf1 include:_spf.google.com ~all | ||||||
| TXT | wiz-domain-verification=06c4dd0706e50380f788c7acab07945e658246992e140f41657f8... | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 | 160.79.104.10 | ||||||
| IPv6 | 2607:6bc0::10 | ||||||
| SOA | isla.ns.cloudflare.comdns@cloudflare.com serial=2397556731 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1771291435 | ||||||
rank #810 in the tld
📈 Tranco rank: #2,014
Anthropic
Anthropic is an AI safety company and public benefit corporation founded in 2021 by former OpenAI researchers, including Dario Amodei (CEO) and Daniela Amodei (President). The company is dedicated to building AI systems that are safe, beneficial, and understandable, with a strong focus on AI alignment and interpretability research.
Products & Services
- Claude — Anthropic's flagship AI assistant, available in multiple tiers:
- Claude Opus 4.5 — Most capable model, optimized for coding, agents, and enterprise - Claude Sonnet — Balanced performance model - Claude Haiku — Fast, lightweight model
- Claude Code — Specialized coding assistant
- Developer API — Platform access for building AI applications
- Anthropic Academy — Educational programs for AI development
Infrastructure
| Service | Provider | |
|---|---|---|
| DNS | Cloudflare (isla.ns.cloudflare.com, randy.ns.cloudflare.com) | |
| Hosting | AS399358 (160.79.104.10, 2607:6bc0::10) | |
| Google Workspace (aspmx.l.google.com) |
The domain has 26 TXT records including verification tokens for Slack, Stripe, Google, and Microsoft integrations.
Subdomains
a-api.anthropic.com |
www-cdn.anthropic.com |
console.anthropic.com |
s-cdn.anthropic.com |
www.anthropic.com |
api.anthropic.com |
a-cdn.anthropic.com |
support.anthropic.com |
docs.anthropic.com |
Same first word
anthropic.in |
anthropic.fr |
anthropic.co.uk |
anthropic.io |
anthropic.ca |
anthropic.info |
anthropic.edu.pl |
anthropic.us |
anthropic.net |
anthropic.com |
Similar names
DNS History
21 records (9 active, 12 former)
○NSbuy.internettraffic.com2015-09-21 → 2016-03-25 · 5 obs
● 2015-09-21 10:24:24
● 2016-03-25 12:20:00
○ 2017-02-13 07:22:36
○ 2026-03-02 01:43:00
●NSisla.ns.cloudflare.com2026-02-15 → 2026-03-02 · 3 obs
● 2026-02-15 15:44:20
● 2026-03-02 01:43:00
○NSns1.mark.com2015-06-16 → 2015-06-16 · 3 obs
○ 2015-09-21 10:24:24
○ 2026-03-02 01:43:00
○NSns1.uniregistrymarket.link2017-02-13 → 2017-02-13 · 4 obs
● 2017-02-13 07:22:36
○ 2026-02-15 15:44:20
○ 2026-03-02 01:43:00
○NSns2.mark.com2015-06-16 → 2015-06-16 · 3 obs
○ 2015-09-21 10:24:24
○ 2026-03-02 01:43:00
○NSns2.uniregistrymarket.link2017-02-13 → 2017-02-13 · 4 obs
● 2017-02-13 07:22:36
○ 2026-02-15 15:44:20
○ 2026-03-02 01:43:00
●NSrandy.ns.cloudflare.com2026-02-15 → 2026-03-02 · 3 obs
● 2026-02-15 15:44:20
● 2026-03-02 01:43:00
○NSsell.internettraffic.com2015-09-21 → 2016-03-25 · 5 obs
● 2015-09-21 10:24:24
● 2016-03-25 12:20:00
○ 2017-02-13 07:22:36
○ 2026-03-02 01:43:00
●MXalt1.aspmx.l.google.com2026-02-15 → 2026-03-02 · 2 obs
● 2026-03-02 01:43:00
●MXalt2.aspmx.l.google.com2026-02-15 → 2026-03-02 · 2 obs
● 2026-03-02 01:43:00
●MXalt3.aspmx.l.google.com2026-02-15 → 2026-03-02 · 2 obs
● 2026-03-02 01:43:00
●MXalt4.aspmx.l.google.com2026-02-15 → 2026-03-02 · 2 obs
● 2026-03-02 01:43:00
●MXaspmx.l.google.com2026-02-15 → 2026-03-02 · 2 obs
● 2026-03-02 01:43:00
●A160.79.104.102026-02-15 → 2026-03-02 · 3 obs
● 2026-02-15 15:44:20
● 2026-03-02 01:43:00
○A2406:da00:ff00::36c5:f8012015-06-16 → 2015-06-16 · 3 obs
○ 2015-09-21 10:24:24
○ 2026-03-02 01:43:00
○A2406:da00:ff00::36f3:64c72015-06-16 → 2015-06-16 · 3 obs
○ 2015-09-21 10:24:24
○ 2026-03-02 01:43:00
●A2607:6bc0::102026-02-15 → 2026-03-02 · 3 obs
● 2026-02-15 15:44:20
● 2026-03-02 01:43:00
○A54.197.248.12015-06-16 → 2015-06-16 · 3 obs
○ 2015-09-21 10:24:24
○ 2026-03-02 01:43:00
○A54.243.100.1992015-06-16 → 2015-06-16 · 3 obs
○ 2015-09-21 10:24:24
○ 2026-03-02 01:43:00
○A69.172.201.1532017-02-13 → 2017-02-13 · 4 obs
● 2017-02-13 07:22:36
○ 2026-02-15 15:44:20
○ 2026-03-02 01:43:00
○A69.172.201.2082015-09-21 → 2016-03-25 · 5 obs
● 2015-09-21 10:24:24
● 2016-03-25 12:20:00
○ 2017-02-13 07:22:36
○ 2026-03-02 01:43:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, k.gtld-servers.net, f.gtld-servers.net, m.gtld-servers.net... | - |
| anthropic.com | isla.ns.cloudflare.com, randy.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server: 108.162.195.109
NS records: isla.ns.cloudflare.com, randy.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for anthropic.com (unsigned zone)
⏱️ Timing
Total: 199ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 160.79.104.10 |
| AAAA | 1 | 2607:6bc0::10 |
| NS | 2 | isla.ns.cloudflare.com, randy.ns.cloudflare.com |
| MX | 5 | aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)... |
| TXT | 26 | 1password-site-verification=TO6XSBV6G5CT, 5fnm79lyb330pg223w4zouc1qqd6ke2... |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | isla.ns.cloudflare.com dns.cloudflare.co |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (isla.ns.cloudflare.com, isla.ns.cloudflare.com, isla.ns.cloudflare.com...)
Related
Analysis
Hierarchy
anthropic.com is a parent of a-api.anthropic.com, www-cdn.anthropic.com, console.anthropic.com, s-cdn.anthropic.com and www.anthropic.com, plus a few other host names.
IP Addresses
anthropic.com has two IP numbers: 2607:6bc0::10 and 160.79.104.10.
Other host names, for instance www.anthropic.com, claude.md, a.claude.ai, api.anthropic.com and sparrow-systems.co share IP numbers with anthropic.com.
Name Servers
anthropic.com's delegation uses two name servers: isla.ns.cloudflare.com and randy.ns.cloudflare.com.
anthropic.com uses the same name server setup as other domains, such as sparrow-systems.co, hansomcab.co.uk, darioamodei.com, 06annonces.fr and painclinicclarksville.com.
anthropic.com at least partially shares name servers with other domains, including perf.guru, lifanjia.com, lanshatech.com, sjp9.com and thaieasyelec.com.
These name servers are often used with evelyn.ns.cloudflare.com and dave.ns.cloudflare.com.
Host names with six IP numbers:
isla.ns.cloudflare.com points to 2606:4700:50::adf5:3a77, 2803:f800:50::6ca2:c077, 2a06:98c1:50::ac40:2077, 108.162.192.119, 172.64.32.119 and 173.245.58.119.
randy.ns.cloudflare.com points to 2606:4700:58::a29f:2c6d, 2803:f800:50::6ca2:c36d, 2a06:98c1:50::ac40:236d, 108.162.195.109, 162.159.44.109 and 172.64.35.109.
Mail Servers
anthropic.com is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.
anthropic.com shares at least some mail servers with other domains, for example fasamcat.com, blustagtamaskan.com, backology.com, multienge.com.br and ns500698.ns500759.ns500759.ns500736.ns500736.ns500698.ns500735.ns500576.ns500576.ns500576.ns500619.ns500698.ns500686.ns500652.trackreceptor.com.
these mail servers are often used with aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and aspmx5.googlemail.com.
Host names with two IP numbers:
aspmx.l.google.com points to: 2607:f8b0:4004:c19::1b and 172.253.62.27.
alt1.aspmx.l.google.com points to: 2607:f8b0:4003:c30::1b and 74.125.27.26.
alt2.aspmx.l.google.com points to: 2607:f8b0:4001:c70::1a and 192.178.209.26.
alt3.aspmx.l.google.com points to: 2607:f8b0:4024:c0d::1b and 192.178.152.26.
alt4.aspmx.l.google.com points to: 2607:f8b0:4023:403::1a and 142.250.96.27.