Check-Host.cc

Top-Level Domain

.org

Aggregated statistics for the top-level domain

Apex domains
5,548,971
we've enumerated
Subdomains seen
14,411,730
CT + DNS + brute
TLS certs
95,313
naming .org
Hosting ASNs
15
distinct origins

Top Certificate Issuers

Issuer (CA) Certs
Let's Encrypt 42,541
Amazon 9,824
Sectigo 4,288
DigiCert 4,286
GoDaddy 3,525
YR2 3,370
YR1 3,369
YE1 3,218
YE2 3,038
Cloudflare 1,454
GlobalSign 1,445
ZeroSSL 951
WR3 950
OCLC TLS Issuing RSA SubCA R1 918
InCommon RSA Server CA 2 365

Top Hosting ASNs

ASN Name .org domains
AS16509 Amazon.com 886,377
AS13335 Cloudflare 600,932
AS206834 272,634
AS40034 Confluence Networks 193,715
AS24940 Hetzner Online 183,429
AS53831 SQUARESPACE 167,382
AS396982 Google Cloud 131,565
AS46606 Endurance International Group, Inc 125,662
AS47846 121,560
AS14061 DigitalOcean 113,885
AS61969 74,513
AS20940 Akamai Technologies 66,320
AS47583 Hostinger International 63,517
AS58182 wix_com 55,921
AS16276 OVHcloud 53,993

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.