citibankonline.com
Observed Jul 22, 2026, 00:23 UTC (2d 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.
Not responding
Runs onAkamai International B.V
Registered withCSC Corporate Domains, Inc.
tranco_20k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat citibankonline.com actually stands on - every host below is a signed observation
citibankonline.com
A / AAAA
104.96.178.165104.94.222.171
Akamai International B.Vserves the site
NS
ns1.nsroot1.comns2.nsroot2.com
nsroot1.com + nsroot2.comanswers its DNS
MX
mx-a.mail.citi.commx-b.mail.citi.com
citi.comreceives its email
DNS Records
A 2
104.96.178.165104.94.222.171
MX 2
5mx-a.mail.citi.com5mx-b.mail.citi.com
TXT 3
v=spf1 a:mail.citigroup.com ~allpostman-domain-verification=f3a81711327ae0564c721ee22ab76cb6689b37beb0c610ba5dc40839b2621f09fc853c163702bd002cb6c1daac59209678fbb5dd97ca0249492782ca9d5b0665v=DMARC1; p=reject; rua=mailto:citibank@rua.proofpoint.com,mailto:dmarc.reports.rua@citi.com
NS 2
ns1.nsroot1.comns2.nsroot2.com
SOA 1
ns1.nsroot1.com hostmaster.citi.com
CAA 4
iodef "mailto:CAADNS@citi.com"issue "digicert.com"issue "globalsign.com"issuewild ""
TLS Certificates (0)
None.
Subdomains (0)
None observed.
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_be54aaa869427ec0- Output Hash
3680825b9192c50063aeb5d53a92151804636f52d226bcf8d42fb21e38fe8a6c- Signature
ed25519:efe5a40cfe8ef31bb98cf9a91c0018b2f186d8a1ee777a8209a5c142421fa88255ecdeb821028e75ba85e4ddfbe501d348f4948df59e2a725cbf2542c5e03604- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast