Check-Host.cc

Top-Level Domain

.org

Aggregated statistics for the top-level domain

Apex domains
5,565,660
we've enumerated
Subdomains seen
14,492,513
CT + DNS + brute
TLS certs
95,695
naming .org
Hosting ASNs
15
distinct origins

Top Certificate Issuers

Issuer (CA) Certs
Let's Encrypt 42,596
Amazon 9,824
Sectigo 4,306
DigiCert 4,303
GoDaddy 3,539
YR2 3,435
YR1 3,427
YE1 3,260
YE2 3,082
Cloudflare 1,457
GlobalSign 1,451
WR3 955
ZeroSSL 955
OCLC TLS Issuing RSA SubCA R1 923
InCommon RSA Server CA 2 367

Top Hosting ASNs

ASN Name .org domains
AS16509 Amazon.com 889,244
AS13335 Cloudflare 603,698
AS206834 273,197
AS40034 Confluence Networks 195,488
AS24940 Hetzner Online 184,853
AS53831 SQUARESPACE 168,465
AS396982 Google Cloud 132,300
AS46606 Endurance International Group, Inc 126,913
AS47846 121,995
AS14061 DigitalOcean 114,377
AS61969 74,758
AS20940 Akamai Technologies 66,733
AS47583 Hostinger International 63,876
AS58182 wix_com 56,231
AS16276 OVHcloud 54,276

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 128
ℹ Coverage will improve significantly once CZDS zone-file access is granted for this TLD.