Check-Host.cc

Top-Level Domain

.cn

Aggregated statistics for the top-level domain

Apex domains
1,388,171
we've enumerated
Subdomains seen
10,740,241
CT + DNS + brute
TLS certs
90,709
naming .cn
Hosting ASNs
15
distinct origins

Domain Distribution

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

Top Certificate Issuers

Issuer (CA) Certs
DigiCert 25,694
Let's Encrypt 23,089
TrustAsia 8,361
LiteSSL 2,589
YR2 2,125
YR1 2,053
Amazon 1,913
WoTrus DV Server CA [Run by the Issuer] 1,626
ZeroSSL 1,599
Xcc Trust DV SSL CA 1,496
GlobalSign 1,384
Sectigo 1,344
Certum 1,339
Xcc Trust OV SSL CA 1,171
WoTrus RSA DV SSL CA 2 890

Top Hosting ASNs

ASN Name .cn domains
AS13335 Cloudflare 161,812
AS37963 Alibaba (China) 126,591
AS61969 78,804
AS45090 Tencent-CN 56,396
AS174 Cogent Communications, Inc. 52,298
AS4134 China Telecom 31,031
AS45102 Alibaba 26,439
AS132839 POWER LINE (HK 23,778
AS36352 ColoCrossing 23,448
AS35916 MultaCOM 22,687
AS16509 Amazon.com 19,019
AS135097 18,851
AS134175 17,991
AS4837 China Unicom 13,657
AS206834 12,503

Tech-Stack Distribution

Technology Hosts
Cloudflare 1
HTTP/3 1

Most-resolved apex domains

Apexes resolving to the most distinct A/AAAA records — popularity proxy.

Threat-intel hits

Feed Category Domains
openphish phishing 223
ℹ Coverage will improve significantly once CZDS zone-file access is granted for this TLD.