Top-Level Domain
.ac
Aggregated statistics for the top-level domain
Apex domains
—
we've enumerated
Subdomains seen
—
CT + DNS + brute
TLS certs
454
naming .ac
Hosting ASNs
—
distinct origins
Domain Distribution
No apex enumerations
No subdomain discoveries yet for .ac. Our CT-log + DNS-brute crawlers populate this as they pick up domains.
Top Certificate Issuers
| Issuer (CA) | Certs |
|---|---|
| Let's Encrypt | 139 |
| Amazon | 96 |
| YR2 | 21 |
| YE2 | 20 |
| YR1 | 20 |
| Sectigo | 19 |
| YE1 | 14 |
| Cloudflare | 11 |
| DigiCert | 8 |
| WR3 | 7 |
| GoDaddy | 5 |
| GlobalSign | 5 |
| mgt-subCA | 2 |
| ZeroSSL | 2 |
| nova-amd-nl-3-v-3-6602996-504195-main.vps.ac | 1 |
Top Hosting ASNs
No hosting attribution yet
Forward-DNS crawler hasn't resolved enough .ac apexes to BGP-attributable IPs.
Tech-Stack Distribution
No Wappalyzer detections
Body-fetcher hasn't covered enough .ac sites yet for stack patterns to emerge.
Threat-intel hits
| Feed | Category | Domains |
|---|---|---|
| openphish | phishing | 2 |
ℹ Coverage will improve significantly once CZDS zone-file access is granted for this TLD.