Check-Host.cc

Top-Level Domain

.uk

Aggregated statistics for the top-level domain

Apex domains
we've enumerated
Subdomains seen
CT + DNS + brute
TLS certs
47,053
naming .uk
Hosting ASNs
distinct origins

Domain Distribution

No apex enumerations

No subdomain discoveries yet for .uk. Our CT-log + DNS-brute crawlers populate this as they pick up domains.

Top Certificate Issuers

Issuer (CA) Certs
Let's Encrypt 16,452
Amazon 6,185
Sectigo 4,134
DigiCert 3,613
YR2 2,451
YR1 2,449
GoDaddy 1,796
GlobalSign 1,486
YE2 1,164
YE1 1,116
WR3 833
Cloudflare 677
GoDaddy (Starfield) 548
ZeroSSL 287
cPanel, Inc. Certification Authority 139

Top Hosting ASNs

No hosting attribution yet

Forward-DNS crawler hasn't resolved enough .uk apexes to BGP-attributable IPs.

Tech-Stack Distribution

No Wappalyzer detections

Body-fetcher hasn't covered enough .uk sites yet for stack patterns to emerge.

Threat-intel hits

Feed Category Domains
openphish phishing 31
ℹ Coverage will improve significantly once CZDS zone-file access is granted for this TLD.