Check-Host.cc

Top-Level Domain

.org

Aggregated statistics for the top-level domain

Apex domains
5,732,073
we've enumerated
Subdomains seen
15,277,072
CT + DNS + brute
TLS certs
99,668
naming .org
Hosting ASNs
15
distinct origins

Top Certificate Issuers

Issuer (CA) Certs
Let's Encrypt 43,088
Amazon 9,837
Sectigo 4,483
DigiCert 4,455
YR2 3,959
YR1 3,951
YE1 3,794
GoDaddy 3,694
YE2 3,589
GlobalSign 1,515
Cloudflare 1,512
WR3 1,022
ZeroSSL 998
OCLC TLS Issuing RSA SubCA R1 954
yunohost.org 420

Top Hosting ASNs

ASN Name .org domains
AS16509 Amazon.com 912,393
AS13335 Cloudflare 629,261
AS206834 280,752
AS40034 Confluence Networks 209,676
AS24940 Hetzner Online 193,381
AS53831 SQUARESPACE 176,567
AS396982 Google Cloud 138,641
AS46606 Endurance International Group, Inc 133,363
AS47846 125,921
AS14061 DigitalOcean 119,152
AS61969 78,198
AS20940 Akamai Technologies 68,189
AS47583 Hostinger International 67,038
AS58182 wix_com 58,823
AS16276 OVHcloud 57,019

Tech-Stack Distribution

No Wappalyzer detections

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

Most-resolved apex domains

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

Threat-intel hits

Feed Category Domains
openphish phishing 136
ℹ Coverage will improve significantly once CZDS zone-file access is granted for this TLD.