Check-Host.cc

Top-Level Domain

.com

Aggregated statistics for the top-level domain

Apex domains
we've enumerated
Subdomains seen
310,459,477
CT + DNS + brute
TLS certs
1,601,426
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 414,866
Amazon 258,027
DigiCert 134,854
router.asus.com 71,366
Sectigo 65,941
Vigor Router 48,101
GoDaddy 40,166
YR2 35,275
YR1 35,193
WR3 29,096
GlobalSign 22,455
YE2 22,109
YE1 21,977
Cloudflare 16,872
example.com 14,159

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 3,781
ℹ Coverage will improve significantly once CZDS zone-file access is granted for this TLD.