coba.ai

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
coba.ai
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-29 12:46:01 UTC · ↺ Refresh

MX Hostnames

  • smtp.google.com

MX Priorities

  • smtp.google.com: 1

A / AAAA Records

  • 185.199.109.153 ↩ cdn-185-199-109-153.github.com
  • 185.199.110.153
  • 185.199.111.153
  • 185.199.108.153

Mail Server IPs

  • 142.251.16.26 ↩ bl-in-f26.1e100.net
  • 142.251.16.27 ↩ bl-in-f27.1e100.net
  • 142.251.163.27 ↩ wv-in-f27.1e100.net
  • 142.251.111.26 ↩ bk-in-f26.1e100.net
  • 142.251.111.27 ↩ bk-in-f27.1e100.net
  • 2607:f8b0:4004:c19::1b ↩ bk-in-f27.1e100.net
  • 2607:f8b0:4004:c19::1a ↩ bk-in-f26.1e100.net
  • 2607:f8b0:4004:c17::1a ↩ bl-in-f26.1e100.net
  • 2607:f8b0:4004:c17::1b ↩ bl-in-f27.1e100.net

SOA Record

Raw SOA dns1.registrar-servers.com hostmaster.registrar-servers.com 1774304498 43200 3600 604800 3601
Primary NS (mname)
dns1.registrar-servers.com
Admin Email (rname)
hostmaster@registrar-servers.com
Serial
1774304498
Refresh
43200s
Retry
3600s
Expire
604800s
Minimum TTL
3601s

Nameservers (NS)

dns2.registrar-servers.com
dns1.registrar-servers.com

SPF Record

✓ Soft Fail (~all)
v=spf1 a mx include:_spf.google.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

DKIM Selectors

✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

11 records
  • google-site-verification=iEKM5XJgPGKL9xwQ8iVXHEVoQpDbVcr-PZmdmRL5ZC8
  • google-site-verification=qESRAPWxBnqVdIeRm0j3NLeGrldVTurd73DXkLkMz1c
  • google-site-verification=v2wzSscff1_exVRpzfHxaNNifkUIbyagawdCy5vb_Es
  • 722dea7c-cd7f-452d-b70a-4bd955f77362=75c9943ab9c64a424adb406493aee2a7d3898abab3edd333f9cf9301d7753fc1
  • proxy-ssl.webflow.com
  • mandrill_verify.3NyYSE53VChobRX6_HzohQ
  • SPFv=spf1 a mx include:_spf.google.com ~all
  • docusign=29f8e0dd-8a08-469c-a3b6-0fad6dbe411a
  • facebook-domain-verification=o9lmc09w112xxm53o16k66mm53sjgt
  • google-site-verification=KJs2ygM_vBlUeAYhFyErCVYWiv_m1B3XuqoTQzsAf6E
  • google-site-verification=aYw_5lJ2LQ8VsLcGTa2p9kAC8HLqeILRbZtcK9FoORQ
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