Check-Host.cc

Top-Level Domain

.tw

Aggregated statistics for the top-level domain

Apex domains
we've enumerated
Subdomains seen
CT + DNS + brute
TLS certs
12,329
naming .tw
Hosting ASNs
distinct origins

Domain Distribution

No apex enumerations

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

Top Certificate Issuers

Issuer (CA) Certs
Let's Encrypt 3,127
TWCA Secure SSL Certification Authority 1,887
Sectigo 1,363
Amazon 558
WR3 480
DigiCert 458
GoDaddy 419
www.nusoft.com.tw 337
YR1 337
YR2 312
TWCA SSL Certification Authority 230
GlobalSign 226
YE1 207
ZeroSSL 204
dsr.dlink.com.tw 203

Top Hosting ASNs

No hosting attribution yet

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

Tech-Stack Distribution

No Wappalyzer detections

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

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