Check-Host.cc

Top-Level Domain

.dev

Aggregated statistics for the top-level domain

Apex domains
we've enumerated
Subdomains seen
CT + DNS + brute
TLS certs
34,471
naming .dev
Hosting ASNs
distinct origins

Domain Distribution

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

Top Certificate Issuers

Issuer (CA) Certs
Amazon 17,449
Let's Encrypt 8,967
WR3 1,945
YE2 814
Cloudflare 786
YE1 750
WR4 705
YR2 590
YR1 570
Sectigo 318
camera.ubnt.dev 169
DigiCert 142
ZeroSSL 139
GoDaddy 108
GlobalSign 83

Top Hosting ASNs

No hosting attribution yet

Forward-DNS crawler hasn't resolved enough .dev apexes to BGP-attributable IPs.

Tech-Stack Distribution

No Wappalyzer detections

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

Threat-intel hits

Feed Category Domains
openphish phishing 1,454
ℹ Coverage will improve significantly once CZDS zone-file access is granted for this TLD.