CONTINUOUS INTERNET TELEMETRY24H DRIFT2,904 material changesacross 2,624 domains · -494 vs yesterdayDNS DRIFT19 domains changed DNS providertop destination cloudflare.com · -8 vs yesterdayEMAIL DRIFT5 domains switched email providertop destination google.com · -1 vs yesterdayCERT DRIFT6 domains switched issuing CA24h · -1 vs yesterdayNOW3,327 curated domains not answering-6,391 vs yesterdayERRORS10,944 responded with an errorlast probe · 5xx / 404 / 429 / 40324H DRIFT2,904 material changesacross 2,624 domains · -494 vs yesterdayDNS DRIFT19 domains changed DNS providertop destination cloudflare.com · -8 vs yesterdayEMAIL DRIFT5 domains switched email providertop destination google.com · -1 vs yesterdayCERT DRIFT6 domains switched issuing CA24h · -1 vs yesterdayNOW3,327 curated domains not answering-6,391 vs yesterdayERRORS10,944 responded with an errorlast probe · 5xx / 404 / 429 / 403

which.co.uk

Observed 2026-07-13T00:42:49.343Z (17h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now
Runs onCloudflare
Email byMimecast
Also usesGoogle Search ConsoleAtlassianFacebook/Meta1PasswordStripeMiro
8 subdomains · tranco_20k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat which.co.uk actually stands on - every host below is a signed observation
which.co.uk
A / AAAA
54.171.76.4034.249.219.2652.19.183.190
Cloudflareserves the site
NS
ns-523.awsdns-01.netns-1422.awsdns-49.orgns-1917.awsdns-47.co.ukns-177.awsdns-22.com
awsdns-01.net + awsdns-49.org + moreanswers its DNS
MX
eu-smtp-inbound-1.mimecast.comeu-smtp-inbound-2.mimecast.com
Mimecastreceives its email

HTTPS probe

redirect Redirecting (3xx) 301 → https://www.which.co.uk/
HTTP status301
Servercloudflare
TLS protocolHTTP/2
TLS issuernot observed
Behind Cloudflareyes
Response time471 ms
DNS resolutionNOERROR
Redirect chain
https://www.which.co.uk/

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

DNS Records

A 3

  • 54.171.76.40
  • 34.249.219.26
  • 52.19.183.190

MX 2

  • 10eu-smtp-inbound-1.mimecast.com
  • 10eu-smtp-inbound-2.mimecast.com

TXT 35

  • apple-domain-verification=XhosNN1ptqHU9PN2
  • segment-site-verification=llrtNcNx39akuOu1SgxKr8nPEPfyULiR
  • google-site-verification=VMg6Z1Nkesjiz8P8uxODS_dz2KEHOEbcyjjq5lsAsxE
  • google-site-verification=QmlAZem8P65cRL3keNScMhasPkfrXQiMh2eIzy7XPUs
  • google-site-verification=mCS7WZ9HUQX6GtHrOt7YSLkYNcLWwAcaTRrBW1X8zZA
  • google-site-verification=JhkmHxCyu3JxJF-zkLKfjem03CWKSLxSfuzW8rd4KMI
  • google-site-verification=b1Vnna2dUtcb78hB5u-7iXPNAR14y9SKNEe_R73dEJ0
  • onetrust-domain-verification=656e1cfaefcb4e5888663b08454a1af2
  • google-site-verification=NjDwc9B0UoJ2YU81mF16yB3dXNEKlry6tuwsPxGrwME
  • google-site-verification=b1ndmTHZStdI3domVKX9jjdcm9COWAGKJPFle2p5BDM

NS 4

  • ns-523.awsdns-01.net
  • ns-1422.awsdns-49.org
  • ns-1917.awsdns-47.co.uk
  • ns-177.awsdns-22.com

SOA 1

  • ns-1422.awsdns-49.org awsdns-hostmaster.amazon.com

SRV 2

  • lmrexel1.which.co.uk:8443 p10
  • lcoexel1.which.co.uk:8443 p10

TLS Certificates (0)

None.

Subdomains (8)

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

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

Ed25519 Receipt

Receipt ID
3740e546-9113-4ab3-8dec-135a77f9ce0f
Output Hash
263b8466106a05bfa41885c0c8fff76c215614d30b12d4264a902872ed282286
Signature
ed25519:7a3654f2cc2f7cb079e642eb7326ae8fd30b887fc151709cd0f7a44611dba75b790d570c1a8055b78a71ea4e40a1af588414cb701f8e97f5ec23ffa882c62800
Public Key
ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent
(genesis)
Plane
fast
Verify this in your browser