citibank.com
Observed 2026-07-17T13:14:43.489698002+00:00 (5h ago). Every field below was attested with an Ed25519 signature at scan time.
Up right now
Runs onAkamai International B.V
Email byProofpoint
Secured byDigiCert
Registered withCSC Corporate Domains, Inc.
Also usesFacebook/MetaGoogle Search Console
4 subdomains · tranco_20k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat citibank.com actually stands on - every host below is a signed observation
citibank.com
A / AAAA
104.94.222.171104.96.178.165
Akamai International B.Vserves the site
NS
ns1.nsroot1.comns2.nsroot2.com
nsroot1.com + nsroot2.comanswers its DNS
MX
mx-b.mail.citi.commx-a.mail.citi.com
Proofpointreceives its email
TLS
www.citi.com
DigiCert Incissued its certificate
DNS Records
A 2
104.94.222.171104.96.178.165
MX 2
5mx-b.mail.citi.com5mx-a.mail.citi.com
TXT 8
VISA=2E2D03BABFF0208352B6A802723F7BD4facebook-domain-verification=3afsyr7t6cmarl3sc8dfohlz53n4hogoogle-site-verification=kZISuG3O5lKpwO_y-LOv8wR6wuDt8TVjeU8hzFVlI4sgoogle-site-verification=l0yLgWkGs-ik3cNg8LCqI4IRtJe_qvzRYILtrnQ-L4Epaloaltonetworks-site-verification=59fcee26fb9ae46cb912e8ec453faa3b82c65ee0e94f7fb7de1a59b07e9b8cf3v=spf1 a:mail.citigroup.com ip4:217.29.160.12 ip4:84.45.73.5 include:spf-00123c01.pphosted.com ~allpostman-domain-verification=80f5e8b5b0eb9d94f6c42fc72ee42bef0585ba996bddeeda33442ee5f1db593d4aede826d4d6e58b40be0681a2f40b86aff5238e76c95e449c963bad2e3ffc14v=DMARC1; p=reject; rua=mailto:dmarc_rua@emaildefense.proofpoint.com,mailto:dmarc.reports.rua@citi.com
NS 2
ns1.nsroot1.comns2.nsroot2.com
SOA 1
ns1.nsroot1.com hostmaster.citi.com
CAA 5
issuewild ""issue "digicert.com"issue "globalsign.com"iodef "mailto:CAADNS@citi.com"issue "visa.com"
TLS Certificates (2)
| Common Name | Issuer | Expires |
|---|---|---|
www.citi.com |
C=US, O=DigiCert Inc, CN=DigiCert EV RSA CA G2 | Thu, 08 Oct 2026 23:59:59 +0000 |
DigiCert EV RSA CA G2 |
C=US, O=DigiCert Inc, 2.5.4.11=www.digicert.com, CN=DigiCert Global Root G2 | Tue, 02 Jul 2030 12:42:50 +0000 |
Subdomains (4)
The proof
Signed at scan time. Check the math yourself. Every line above is part of one signed observation. Re-hash it and check the Ed25519 signature in your own browser; nothing leaves your machine.
Verify this receiptEd25519 Receipt
- Receipt ID
b159c4ab-4d31-40fa-a556-2a21d3aa7845- Output Hash
d59ba85957ebffa459698584c413d647d0c89f7e3214463a0c422aab572143a1- Signature
ed25519:33c08206fe85d9f915630a0e2900f59f873f80875a9ce4b897da16d53ea66d6b7885ebac74005b800c774eff530dab0e58093a496b10ef2f1fea31077b22e507- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast