citibanamex.com

Valid Email Server
Domain Lookup › citibanamex.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
citibanamex.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-21 21:51:57 UTC · ↺ Refresh

MX Hostnames

  • mx-b.mail.citi.com
  • mx-a.mail.citi.com

MX Priorities

  • mx-a.mail.citi.com: 10
  • mx-b.mail.citi.com: 10

A / AAAA Records

  • 200.52.96.27 (no PTR)
  • 192.193.206.22 ↩ citibanamex.com

Mail Server IPs

  • 67.231.145.106 ↩ mx-a.mail.citi.com
  • 67.231.153.94 ↩ mx-b.mail.citi.com

SOA Record

Raw SOA ns1.nsroot1.com hostmaster.citi.com 2021099306 3600 300 2419200 3600
Primary NS (mname)
ns1.nsroot1.com
Admin Email (rname)
hostmaster@citi.com
Serial
2021099306
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
3600s

Nameservers (NS)

ns2.nsroot2.com
ns1.nsroot1.com

SPF Record

✓ Soft Fail (~all)
v=spf1 a:1._spf.citigroup.com a:2._spf.citigroup.com a:mailir.citi.com include:spf-00123c01.pphosted.com include:spf.mittum.com redirect=ext1._spf.citigroup.com
📊 DNS lookups: 6/10

DMARC Record

✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected],mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

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

All TXT Records

10 records
  • cisco-ci-domain-verification=13696b89c0190a5fe2690912f51645a15be00b78eeda881a5c71d3ff58872081
  • MS=ms80137410
  • docusign=b0a4b71d-21a3-4d20-9113-83078bb77dde
  • docusign=52ac4b24-143b-4d31-b603-fa75d0e4973e
  • SPFv=spf1 a:1._spf.citigroup.com a:2._spf.citigroup.com a:mailir.citi.com include:spf-00123c01.pphosted.com include:spf.mittum.com redirect=ext1._spf.citigroup.com
  • webexdomainverification.4C675B8AC1BDB136E053AB06FC0A3F65=0c3aef2e-64a5-4965-a519-e8970add941f
  • adobe-idp-site-verification=fccc3b31867dd1c88e7fa4c1ec9b4c40dec94c3a29da5adac33f6085c05903ca
  • MS=FDB1956FCE6E4035A94873359FBCD9498CD7F80D
  • paloaltonetworks-site-verification=96d6d52e226267c6693710e028ca724a647e32276ccd6476d12e843824b2d92a
  • postman-domain-verification=5c73677605b15163ede52efbc3fe3d70f7bc9b0050b35db1083b25c38a355511ce50227a0980de3aafa048ec10040cea7f90f4089a9093eb45cc4f7856ebf12b
Free · No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for citibanamex.com

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits