Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
citigroup.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 15:12:40 UTC · ↺ Refresh
MX Hostnames
- mx-b.mail.citi.com
- mx-a.mail.citi.com
MX Priorities
- mx-b.mail.citi.com: 5
- mx-a.mail.citi.com: 5
A / AAAA Records
- 104.94.222.171 ↩ a104-94-222-171.deploy.static.akamaitechnologies.com
- 104.96.178.165 ↩ a104-96-178-165.deploy.static.akamaitechnologies.com
Mail Server IPs
- 67.231.153.94 ↩ mx-b.mail.citi.com
- 67.231.145.106 ↩ mx-a.mail.citi.com
SOA Record
Raw SOA
ns1.nsroot1.com hostmaster.citi.com 2021102407 3600 300 2419200 3600
Primary NS (mname)
ns1.nsroot1.com
Admin Email (rname)
hostmaster@citi.com
Serial
2021102407
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 include:spf-00123c01.pphosted.com redirect=ext1._spf.citigroup.com
📊 DNS lookups: 4/10
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 detectedNo 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
13 records- MS=617A9E7598377F278D9D3B8CEBB893E897E4391D
- facebook-domain-verification=2amqbctg7cv6hq0dxq4tf107b3y0zn
- globalsign-domain-verification=5333822B44304398DE567C2747872C29
- webexdomainverification.9L49J=8ea68d0a-1e43-4ae8-9f61-f0dc3a1ba394
- google-site-verification=B2RTefeDQDD6q_djOf22I7ncFCBM1hs0OuR29V5rbbo
- google-site-verification=W1oZvZ4pAy7ASU5vtQdbeLvsM-BLaTkQqUKHkEfkKW8
- google-site-verification=a5KdIF5qvy8oEnllolMuPZkvHZiN39w_Sc_wqWtJZDI
- google-site-verification=aFfLeCV8R5dO_bwkfnkyLB-RaRNaZ_vYRC_yM_z6rSM
- cisco-ci-domain-verification=4ff6832706517f60b04d042675c64a5525964fb03e1eb52365349b8b765063df
- paloaltonetworks-site-verification=3882d978b07397802d48b9068f445c4de7b6e8fc234da8251d8d77cc0e055342
- SPFv=spf1 a:1._spf.citigroup.com a:2._spf.citigroup.com include:spf-00123c01.pphosted.com redirect=ext1._spf.citigroup.com
- postman-domain-verification=b0973f7c46e67edf55bb3d7f0de30d91ae3c1329d2512ad912375d873557ec111f5e579af0d3e0903d8ff7cf1ebfb3c9e219bbdbf12203912f850ab59087acee
- MS=ms92288257
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