t.co

Observed 2026-07-15T04:16:47.928Z (1d ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onCloudflare

1 subdomain · tranco_1k

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

INFRASTRUCTURE MAPwhat t.co actually stands on - every host below is a signed observation

t.co

A / AAAA

172.66.0.227

Cloudflareserves the site

a.u06.twtrdns.neta.r06.twtrdns.netd.u06.twtrdns.netd.r06.twtrdns.net+4 more

twtrdns.netanswers its DNS

HTTPS probe

ok Responding normally (2xx) 200 OK

HTTP status200

Servercloudflare envoy

TLS protocolHTTP/2

TLS issuernot observed

Behind Cloudflareyes

Response time39 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 1

172.66.0.227

TXT 4

48qgbs8f2v055y997kpf4cx2302fzfs2
1nfb08f5jkpy0flhn6lwml2vk7x34hrd
1z8q6j6wymwb6bh0t3q28tp7vsbgnh6d
v=spf1 -all

NS 8

a.u06.twtrdns.net
a.r06.twtrdns.net
d.u06.twtrdns.net
d.r06.twtrdns.net
c.u06.twtrdns.net
b.r06.twtrdns.net
c.r06.twtrdns.net
b.u06.twtrdns.net

SOA 1

a.u06.twtrdns.net noc.twitter.com

TLS Certificates (0)

None.

Subdomains (1)

www.t.co

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 t.co. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: b1311338-ddf7-4cb2-91c9-ce5e9b4ae2cf
Output Hash: bd36ce1bb42b7e41f1a0f95734e091d1f5efa424962a939602568ad86e20f144
Signature: ed25519:3159e44cac51549e48caee6f97555c8daeea8dbd8bdc8dfa89c47a2d59b74b5f20ddeddf6a0c30d20b58f90ec6d61959f4242630184b1573cc611911c3f60c00
Public Key: ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/t.co