Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
anthropic.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 23:33:09 UTC · ↺ Refresh
MX Hostnames
- alt4.aspmx.l.google.com
- alt1.aspmx.l.google.com
- alt3.aspmx.l.google.com
- alt2.aspmx.l.google.com
- aspmx.l.google.com
MX Priorities
- alt2.aspmx.l.google.com: 5
- aspmx.l.google.com: 1
- alt3.aspmx.l.google.com: 10
- alt4.aspmx.l.google.com: 10
- alt1.aspmx.l.google.com: 5
A / AAAA Records
- 160.79.104.10
- 2607:6bc0::10
Mail Server IPs
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
- 142.250.31.26 ↩ bj-in-f26.1e100.net
- 2607:f8b0:4004:c1d::1b ↩ ww-in-f27.1e100.net
- 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
- 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
- 173.194.76.27 ↩ ws-in-f27.1e100.net
- 2a00:1450:400c:c00::1a ↩ ws-in-x1a.1e100.net
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
SOA Record
Raw SOA
isla.ns.cloudflare.com dns.cloudflare.com 2399447533 10000 2400 604800 1800
Primary NS (mname)
isla.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399447533
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
randy.ns.cloudflare.com
isla.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.google.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 1 found
google._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
26 records- elevenlabs=gYHFc9PeL2d2VTBdDhfMyRlxwOup_wM5bPLhmo2zux0
- slack-domain-verification=j7g4p0r5GSLrk9O1CswTYqsKJRFURuy5qGKvmAbU
- atlassian-sending-domain-verification=80547484-e42a-4b89-bf3c-d8ffd4c3ebab
- google-site-verification=lZ-Chr9wqR_c_yVXYrxvZjm7r4Dg44mLMda6GvQSaPA
- segment-site-verification=bh66TwguDMclltZFX2wYU8sv2xwL0jYt
- cursor-domain-verification-crx2da=6b38eKFnztmRYqLTALmFfsXSO
- stripe-verification=421fc24e5cd4975f8577d411a2c34072be068dab6321e75505da641dadd31f84
- MS=ms40192081
- 6c43f0e4-7a6e-41f1-b393-a467b815c9ab
- SPFv=spf1 include:_spf.google.com ~all
- 5fnm79lyb330pg223w4zouc1qqd6ke2
- google-site-verification=hcpp8MUuEqp_24yZzaMvQheLydlnxVWZ4Bbsv3rJocc
- MS=ms86816014
- atlassian-domain-verification=I9Xbb3XhdwM5exlpz4aYPu3j6WwEaPCBQwANPQYdbYWWnqiwB9ULpjyw/bKJtKRf
- 1password-site-verification=TO6XSBV6G5CTTA3Z3KKW2BS44M
- google-site-verification=KkmsJvGLnpKf_BQwhAx5mnK2OmoQPzrxES2P_0dD5rA
- jetbrains-domain-verification=53i175ssi0qal446eoubiiun1
- asv=0f0dc2f902c508ffccf27f9408c23483
- h1-domain-verification=ZEejAhpyT5wfKiZRsXi87LTQKM2QBySRC61439biYN9Jnq66
- google-site-verification=_NED9Pp6OpundSy6MNEyuIbF-8mqgRoE2iGQDqH4wKo
- wiz-domain-verification=06c4dd0706e50380f788c7acab07945e658246992e140f41657f86fb6c53c5e9
- stripe-verification=b4a23f9e5d7d2b9b0c10967235226410439ba826a420b7425970bf11dc1e1c5d
- W6bXmYleKF5pLbpxzw6VcHcQTIyYh2M
- airtable-verification=cc359049c1ed2f7ecb0260b495a935bc
- ca3-f11ea7ccbb494dba9a917fa7a141e281
- google-site-verification=yIJD2JqRVo-AOCE_9rySL9RZFZDM9a_GatXkDuHGqmY
Full email verification for anthropic.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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