CONTINUOUS INTERNET TELEMETRY24H DRIFTat least 5,180 material changesacross 5,087+ domains · 24h to ~22h ago · a floor, 2h of 24 walkedNOW547 curated domains not reachablelast probe, steadySITE ERRORS34,655 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 156,965 sites429 rate-limit / 403 bot-block, a posture signal

three.co.uk

Observed Jul 24, 2026, 17:47 UTC (8d 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.

Verify this receipt yourself + Watch this domain
Up right now
Runs onAkamai Technologies
Email byAmazon SES
Secured byDigiCert
Registered withCSC Corporate Domains, Inc
Also usesZoomFacebook/MetaGoogle Search ConsoleAtlassian
4 subdomains · telecom
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat three.co.uk actually stands on - every host below is a signed observation
three.co.uk
A / AAAA
23.213.66.115
Akamai Technologiesserves the site
NS
udns1.cscdns.netudns2.cscdns.uk
cscdns.net + cscdns.ukanswers its DNS
MX
cluster3.eu.messagelabs.comcluster3a.eu.messagelabs.com
Amazon SESreceives its email
TLS
three.co.uk
DigiCert Ireland Limitedissued its certificate

DNS Records

A 1

  • 23.213.66.115

MX 2

  • 10cluster3.eu.messagelabs.com
  • 20cluster3a.eu.messagelabs.com

TXT 21

  • MS=ms14753536
  • MS=ms34745205
  • _5b9frcrkqdy1vtub3kj52w7y9zsb9x5
  • _7ab7lb4bbvl8hun595v7bvm3mswkjb1
  • _ffl5xnn904xn4f8w5iqy1hsm2bwxkbn
  • _wdk5b597oy5lyiff0pfcimco7dyc70d
  • _yxvn8g9d5syx7rfbfkzl10zy09xj8rl
  • ZOOM_verify_qgUswQlqfVVJ2phebpsgbw
  • asv=6f2ac7ac38ad04eb7a13296d361f9c38
  • spf2.0/pra include:amazonses.com ~all

NS 2

  • udns1.cscdns.net
  • udns2.cscdns.uk

SOA 1

  • udns1.cscdns.net premiumdns.support.neustar

SRV 2

  • nxpfs.ucfederationcloud.com:5269 p1
  • mail.three.co.uk:443 p1

CAA 5

  • issue "amazon.com"
  • issue "digicert.com"
  • issue "entrust.net"
  • issue "letsencrypt.org"
  • issue "pki.goog"

TLS Certificates (3)

Common NameIssuerExpires
three.co.uk C=IE, O=DigiCert Ireland Limited, CN=DigiCert G2 TLS EU RSA4096 SHA384 2022 CA1 Mon, 19 Oct 2026 23:59:59 +0000
DigiCert G2 TLS EU RSA4096 SHA384 2022 CA1 C=US, O=DigiCert Inc, 2.5.4.11=www.digicert.com, CN=DigiCert Global Root G2 Sat, 18 Sep 2032 23:59:59 +0000
DigiCert Global Root G2 C=US, O=DigiCert Inc, 2.5.4.11=www.digicert.com, CN=DigiCert Global Root G2 Fri, 15 Jan 2038 12:00:00 +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 receipt

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

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

Ed25519 Receipt

Receipt ID
rcpt_4dca2bd9b1932e70
Output Hash
6c98b8aa80b8816e797a6b7d3d4c52737f6a199605e2b13b168dd8dabb2deee9
Signature
ed25519:3ae62bae0f4191b3af1093186fcbff3e53a8cdfa2ff677495b11aa2775efe668853820ba8bbdb146e3f1fbd5bf7a53d574b0afcdef62f43a645b0e75b9c95e04
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
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