citi.com
Observed Jul 27, 2026, 09:27 UTC (5d ago). Every field below was attested with an Ed25519 signature at scan time. Catalog observation, re-checked on rotation - watch it for 5-minute checks.
Up right now
Email byProofpoint
Secured byDigiCert
Registered withCSC Corporate Domains, Inc.
Also usesGoogle Search ConsoleAtlassianDockerDocuSign
16 subdomains · banks
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat citi.com actually stands on - every host below is a signed observation
citi.com
A / AAAA
104.96.178.165104.94.222.171
unattributedserves 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
104.96.178.165104.94.222.171
MX 2
5mx-b.mail.citi.com5mx-a.mail.citi.com
TXT 72
OSV-165-cusMS=ms96393155p8SVjdM7cxe_8urzyIqKS6ez00D0U0000009p3B=1TBDX000000000B00D0m0000004lAC=1TBDH0000008OJh00D0v00000012E9=1TBRu0000000cjd00D110000001C8Y=1TBDL000000000600D180000008oCA=1TBDj000000001T00D1b00000094cq=1TBDk0000004CA600D2C000000Czue=1TBDv0000008OLi
NS 2
ns1.nsroot1.comns2.nsroot2.com
SOA 1
nusmwdc-edns01.nsroot.net hostmaster.citi.com
SRV 1
federation.citi.com:5269 p20
CAA 4
iodef "mailto:CAADNS@citi.com"issue "digicert.com"issue "globalsign.com"issuewild ""
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 (16)
- citipay.citi.com
- investments.citi.com
- ipb.citi.com
- ipbus.citi.com
- ipbusclientappreciation.citi.com
- recognitionprogram.citi.com
- secure.citi.com
- workday.citi.com
- www.cardbenefits.citi.com
- www.citi.com
- www.citipay.citi.com
- www.investments.citi.com
- www.ipb.citi.com
- www.ipbus.citi.com
- www.ipbusclientappreciation.citi.com
- www4.citi.com
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
rcpt_3fbec151c0475678- Output Hash
b1800649cbcd42786adae168333fd917ebb19d243c35aa09782d763294037617- Signature
ed25519:5759e258e3a3518a81f6284d8777458d958f52cf0b209dc1c1f5fa5540bee5e0710f253d514332b4edfcea79b5510bf5347df48b35d8e3f6460f4bf35d714207- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast