Check-Host.cc

Top-Level Domain

.uk

Aggregated statistics for the top-level domain

Apex domains
3,806,784
we've enumerated
Subdomains seen
CT + DNS + brute
TLS certs
46,622
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 16,417
Amazon 6,183
Sectigo 4,101
DigiCert 3,589
YR1 2,369
YR2 2,367
GoDaddy 1,778
GlobalSign 1,471
YE2 1,125
YE1 1,072
WR3 825
Cloudflare 667
GoDaddy (Starfield) 538
ZeroSSL 286
cPanel, Inc. Certification Authority 138

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.