Check-Host.cc

Top-Level Domain

.org

Aggregated statistics for the top-level domain

Apex domains
we've enumerated
Subdomains seen
CT + DNS + brute
TLS certs
96,754
naming .org
Hosting ASNs
15
distinct origins

Top Certificate Issuers

Issuer (CA) Certs
Let's Encrypt 42,725
Amazon 9,829
DigiCert 4,347
Sectigo 4,343
GoDaddy 3,583
YR1 3,579
YR2 3,566
YE1 3,407
YE2 3,218
Cloudflare 1,468
GlobalSign 1,467
WR3 973
ZeroSSL 964
OCLC TLS Issuing RSA SubCA R1 935
InCommon RSA Server CA 2 371

Top Hosting ASNs

ASN Name .org domains
AS16509 Amazon.com 895,395
AS13335 Cloudflare 610,487
AS206834 277,397
AS40034 Confluence Networks 199,812
AS24940 Hetzner Online 186,947
AS53831 SQUARESPACE 170,852
AS396982 Google Cloud 133,955
AS46606 Endurance International Group, Inc 128,721
AS47846 123,042
AS14061 DigitalOcean 115,365
AS61969 76,639
AS20940 Akamai Technologies 67,249
AS47583 Hostinger International 64,716
AS58182 wix_com 56,994
AS16276 OVHcloud 54,829

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 130
ℹ Coverage will improve significantly once CZDS zone-file access is granted for this TLD.