Check-Host.cc

Top-Level Domain

.cn

Aggregated statistics for the top-level domain

Apex domains
1,384,297
we've enumerated
Subdomains seen
10,720,431
CT + DNS + brute
TLS certs
90,446
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 25,634
Let's Encrypt 23,066
TrustAsia 8,334
LiteSSL 2,580
YR2 2,102
YR1 2,032
Amazon 1,904
WoTrus DV Server CA [Run by the Issuer] 1,625
ZeroSSL 1,596
Xcc Trust DV SSL CA 1,489
GlobalSign 1,379
Sectigo 1,341
Certum 1,335
Xcc Trust OV SSL CA 1,169
WoTrus RSA DV SSL CA 2 886

Top Hosting ASNs

ASN Name .cn domains
AS13335 Cloudflare 161,381
AS37963 Alibaba (China) 126,201
AS61969 78,648
AS45090 Tencent-CN 56,235
AS174 Cogent Communications, Inc. 52,061
AS4134 China Telecom 30,944
AS45102 Alibaba 26,386
AS132839 POWER LINE (HK 23,760
AS36352 ColoCrossing 23,440
AS35916 MultaCOM 22,591
AS16509 Amazon.com 18,989
AS135097 18,837
AS134175 17,979
AS4837 China Unicom 13,615
AS206834 12,491

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.