Check-Host.cc

Top-Level Domain

.at

Aggregated statistics for the top-level domain

Apex domains
we've enumerated
Subdomains seen
CT + DNS + brute
TLS certs
12,265
naming .at
Hosting ASNs
15
distinct origins

Domain Distribution

Apex domains with the most known subdomains — large orgs, telecoms, hosters.

Top Certificate Issuers

Issuer (CA) Certs
Let's Encrypt 5,082
DigiCert 1,187
Sectigo 959
YR1 698
YR2 636
Amazon 461
GEANT TLS RSA 1 459
YE1 348
YE2 342
GlobalSign 309
GoDaddy 226
GoDaddy (Starfield) 109
GEANT TLS ECC 1 86
ZeroSSL 85
Certum 66

Top Hosting ASNs

ASN Name .at domains
AS8412 Magenta Telekom 77,327
AS206834 66,688
AS24940 Hetzner Online 63,200
AS13335 Cloudflare 35,347
AS34788 Neue Medien Muennich 20,219
AS47846 18,854
AS61969 16,675
AS8560 IONOS SE 16,101
AS16509 Amazon.com 15,497
AS396982 Google Cloud 14,053
AS47692 Nessus GmbH 9,495
AS197540 netcup GmbH 7,614
AS208689 HELLOLY 7,361
AS8447 A1 Telekom Austria AG 5,554
AS21499 5,415

Tech-Stack Distribution

No Wappalyzer detections

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

Threat-intel hits

Feed Category Domains
openphish phishing 29
ℹ Coverage will improve significantly once CZDS zone-file access is granted for this TLD.