citigroup.com

Observed 2026-07-14T02:00:34.977Z (15h ago). Every field below was attested with an Ed25519 signature at scan time.

Guarded by a firewall

Runs onCloudflare

Email byProofpoint

Registered withCSC Corporate Domains, Inc.

Also usesGoogle Search ConsoleFacebook/Meta

5 subdomains · banks

Every line above is a signed observation. Check the math at the bottom of the page.

INFRASTRUCTURE MAPwhat citigroup.com actually stands on - every host below is a signed observation

citigroup.com

A / AAAA

104.94.222.171104.96.178.165

Cloudflareserves the site

ns2.nsroot2.comns1.nsroot1.com

nsroot2.com + nsroot1.comanswers its DNS

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

Proofpointreceives its email

HTTPS probe

bot_blocked Blocked our probe (WAF / bot protection) 403 blocked by cloudflare - bot protection active

HTTP status403

Servercloudflare

TLS protocolHTTP/2

TLS issuernot observed

Behind Cloudflareyes

Response time655 ms

DNS resolutionNOERROR

Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".

DNS Records

A 2

104.94.222.171
104.96.178.165

MX 2

5mx-b.mail.citi.com
5mx-a.mail.citi.com

TXT 17

MS=617A9E7598377F278D9D3B8CEBB893E897E4391D
google-site-verification=Lu5ecxuGzVLD5xOgdMcF244KOFnquxxCegkBp8DUuBY
google-site-verification=W1oZvZ4pAy7ASU5vtQdbeLvsM-BLaTkQqUKHkEfkKW8
google-site-verification=jyExexYbISl-RPnkFRcw-mDH_aR3jJH71dDGXCNvAUQ
cisco-ci-domain-verification=4ff6832706517f60b04d042675c64a5525964fb03e1eb52365349b8b765063df
postman-domain-verification=b0973f7c46e67edf55bb3d7f0de30d91ae3c1329d2512ad912375d873557ec111f5e579af0d3e0903d8ff7cf1ebfb3c9e219bbdbf12203912f850ab59087acee
MS=ms92288257
google-site-verification=aFfLeCV8R5dO_bwkfnkyLB-RaRNaZ_vYRC_yM_z6rSM
paloaltonetworks-site-verification=3882d978b07397802d48b9068f445c4de7b6e8fc234da8251d8d77cc0e055342
facebook-domain-verification=2amqbctg7cv6hq0dxq4tf107b3y0zn

NS 2

ns2.nsroot2.com
ns1.nsroot1.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 (5)

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 receipt

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for citigroup.com. It updates itself. It attests a signed observation - not that the site is safe.

<a href="https://domaindrift.io/t/citigroup.com">
  <img src="https://domaindrift.io/badge/citigroup.com.svg"
       width="300" height="64" alt="DomainDrift signed observations for citigroup.com">
</a>

Ed25519 Receipt

Receipt ID: 0ba2b5a9-8114-418d-af7f-79bd7049eba9
Output Hash: a0f578f66fd821eb8e102aac979d01a5e513e869223757cd1213661258b0f977
Signature: ed25519:f71eb8d8278783d52c941d84517f3ef307deae62736d5a23f6ccf14b653f46c75138b352fc9949253c0994755f142e1b67d7c04b283e1473fdd4858f5235b001
Public Key: ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/citigroup.com