Check-Host.cc

Top-Level Domain

.so

Aggregated statistics for the top-level domain

Apex domains
we've enumerated
Subdomains seen
42,661
CT + DNS + brute
TLS certs
503
naming .so
Hosting ASNs
distinct origins

Domain Distribution

Apex domains with the most known subdomains — large orgs, telecoms, hosters.

Top Certificate Issuers

Issuer (CA) Certs
Amazon 165
Let's Encrypt 137
WR3 33
YE1 23
DigiCert 21
Sectigo 20
YE2 19
YR2 19
YR1 14
Cloudflare 13
GlobalSign 4
GoDaddy 3
WR1 3
TrustAsia 3
ZeroSSL 2

Top Hosting ASNs

No hosting attribution yet

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

Tech-Stack Distribution

No Wappalyzer detections

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

Threat-intel hits

Feed Category Domains
openphish phishing 4
ℹ Coverage will improve significantly once CZDS zone-file access is granted for this TLD.