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
47,315
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 16,480
Amazon 6,185
Sectigo 4,154
DigiCert 3,629
YR2 2,509
YR1 2,496
GoDaddy 1,800
GlobalSign 1,492
YE2 1,185
YE1 1,138
WR3 838
Cloudflare 684
GoDaddy (Starfield) 551
ZeroSSL 288
cPanel, Inc. Certification Authority 140

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.