Check-Host.cc

Top-Level Domain

.cn

Aggregated statistics for the top-level domain

Apex domains
1,390,570
we've enumerated
Subdomains seen
10,751,745
CT + DNS + brute
TLS certs
90,855
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 25,734
Let's Encrypt 23,102
TrustAsia 8,373
LiteSSL 2,592
YR2 2,142
YR1 2,065
Amazon 1,916
WoTrus DV Server CA [Run by the Issuer] 1,628
ZeroSSL 1,600
Xcc Trust DV SSL CA 1,499
GlobalSign 1,387
Sectigo 1,347
Certum 1,339
Xcc Trust OV SSL CA 1,172
WoTrus RSA DV SSL CA 2 890

Top Hosting ASNs

ASN Name .cn domains
AS13335 Cloudflare 162,105
AS37963 Alibaba (China) 126,767
AS61969 78,865
AS45090 Tencent-CN 56,502
AS174 Cogent Communications, Inc. 52,406
AS4134 China Telecom 31,059
AS45102 Alibaba 26,459
AS132839 POWER LINE (HK 23,860
AS36352 ColoCrossing 23,448
AS35916 MultaCOM 22,709
AS16509 Amazon.com 19,033
AS135097 18,861
AS134175 18,000
AS4837 China Unicom 13,671
AS206834 12,512

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.