Check-Host.cc

Top-Level Domain

.com

Aggregated statistics for the top-level domain

Apex domains
we've enumerated
Subdomains seen
319,142,342
CT + DNS + brute
TLS certs
1,637,700
naming .com
Hosting ASNs
distinct origins

Domain Distribution

No apex enumerations

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

Top Certificate Issuers

Issuer (CA) Certs
Let's Encrypt 418,092
Amazon 258,461
DigiCert 138,082
router.asus.com 72,854
Sectigo 67,385
Vigor Router 49,422
GoDaddy 40,907
YR2 39,042
YR1 38,827
WR3 30,326
YE2 24,441
YE1 24,195
GlobalSign 23,090
Cloudflare 17,341
example.com 14,321

Top Hosting ASNs

No hosting attribution yet

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

Tech-Stack Distribution

Technology Hosts
Plesk 1
Nginx 1

Threat-intel hits

Feed Category Domains
openphish phishing 3,873
ℹ Coverage will improve significantly once CZDS zone-file access is granted for this TLD.