Check-Host.cc

Top-Level Domain

.dev

Aggregated statistics for the top-level domain

Apex domains
7,575,396
we've enumerated
Subdomains seen
13,584,143
CT + DNS + brute
TLS certs
34,511
naming .dev
Hosting ASNs
15
distinct origins

Domain Distribution

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

Top Certificate Issuers

Issuer (CA) Certs
Amazon 17,450
Let's Encrypt 8,973
WR3 1,951
YE2 820
Cloudflare 786
YE1 757
WR4 711
YR2 593
YR1 572
Sectigo 318
camera.ubnt.dev 169
DigiCert 142
ZeroSSL 139
GoDaddy 108
GlobalSign 83

Top Hosting ASNs

ASN Name .dev domains
AS13335 Cloudflare 2,510,532
AS16509 Amazon.com 118,203
AS24940 Hetzner Online 31,918
AS396982 Google Cloud 30,644
AS14618 Amazon AES 13,939
AS8075 Microsoft 13,383
AS54113 Fastly, Inc. 11,332
AS14061 DigitalOcean 10,652
AS16276 OVHcloud 8,597
AS53831 SQUARESPACE 4,736
AS47846 4,199
AS47583 Hostinger International 3,821
AS8881 1&1 Versatel Deutschland 3,543
AS61969 2,986
AS15169 Google LLC 2,907

Tech-Stack Distribution

No Wappalyzer detections

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

Most-resolved apex domains

Apexes resolving to the most distinct A/AAAA records — popularity proxy.
Apex Distinct IPs
c.prod-sa-east-1.armapps.canary.console.amplify.aws.dev 1,277
c.prod-eu-north-1.armapps.canary.console.amplify.aws.dev 1,223
c.prod-ap-south-1.armapps.canary.console.amplify.aws.dev 1,219
c.prod-ca-central-1.armapps.canary.console.amplify.aws.dev 1,217
c.prod-ap-northeast-2.armapps.canary.console.amplify.aws.dev 1,212
c.prod-eu-south-1.armapps.canary.console.amplify.aws.dev 1,206
c.prod-ap-east-1.armapps.canary.console.amplify.aws.dev 1,191
c.prod-eu-central-1.armapps.canary.console.amplify.aws.dev 1,183
c.gamma-us-east-1.armapps.canary.console.amplify.aws.dev 1,182
c.prod-eu-west-1.armapps.canary.console.amplify.aws.dev 1,176
c.prod-us-east-1.armapps.canary.console.amplify.aws.dev 1,175
c.prod-ap-southeast-2.armapps.canary.console.amplify.aws.dev 1,170
c.prod-ap-southeast-1.armapps.canary.console.amplify.aws.dev 1,166
c.prod-us-east-2.armapps.canary.console.amplify.aws.dev 1,166
c.prod-us-west-1.armapps.canary.console.amplify.aws.dev 1,162
c.prod-ap-northeast-3.armapps.canary.console.amplify.aws.dev 1,158
c.prod-us-west-2.armapps.canary.console.amplify.aws.dev 1,155
c.prod-eu-west-2.armapps.canary.console.amplify.aws.dev 1,141
cfdcv.can.f6aef6.edge-feature-validation.cloudfront.aws.dev 764
58s.dev 719
cfdcv.can.1bv04qk.edge-feature-validation.cloudfront.aws.dev 649
cfdcv.can.1kqkfa6.edge-feature-validation.cloudfront.aws.dev 587
cfdcv.can.1vzbsx.dev.edge-feature-validation.cloudfront.aws.dev 585
slfdcv.can.1vzbsx.dev.edge-feature-validation.cloudfront.aws.dev 531
rd-verify-deletex.c1d1e06c.prod.forgeinternaldnsapps.ec2.aws.dev 521

Threat-intel hits

Feed Category Domains
openphish phishing 1,481
ℹ Coverage will improve significantly once CZDS zone-file access is granted for this TLD.