Check-Host.cc

Top-Level Domain

.dev

Aggregated statistics for the top-level domain

Apex domains
7,546,725
we've enumerated
Subdomains seen
13,522,345
CT + DNS + brute
TLS certs
34,420
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 17,448
Let's Encrypt 8,965
WR3 1,933
YE2 806
Cloudflare 785
YE1 739
WR4 701
YR2 583
YR1 570
Sectigo 317
camera.ubnt.dev 169
DigiCert 142
ZeroSSL 139
GoDaddy 107
GlobalSign 83

Top Hosting ASNs

ASN Name .dev domains
AS13335 Cloudflare 2,503,575
AS16509 Amazon.com 117,875
AS24940 Hetzner Online 31,808
AS396982 Google Cloud 30,523
AS14618 Amazon AES 13,920
AS8075 Microsoft 13,319
AS54113 Fastly, Inc. 11,303
AS14061 DigitalOcean 10,588
AS16276 OVHcloud 8,559
AS53831 SQUARESPACE 4,720
AS47846 4,195
AS47583 Hostinger International 3,809
AS8881 1&1 Versatel Deutschland 3,543
AS15169 Google LLC 3,074
AS61969 2,965

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 1,203
c.prod-ap-east-1.armapps.canary.console.amplify.aws.dev 1,190
c.gamma-us-east-1.armapps.canary.console.amplify.aws.dev 1,180
c.prod-eu-central-1.armapps.canary.console.amplify.aws.dev 1,180
c.prod-eu-west-1.armapps.canary.console.amplify.aws.dev 1,176
c.prod-us-east-1.armapps.canary.console.amplify.aws.dev 1,170
c.prod-ap-southeast-2.armapps.canary.console.amplify.aws.dev 1,166
c.prod-us-east-2.armapps.canary.console.amplify.aws.dev 1,165
c.prod-ap-southeast-1.armapps.canary.console.amplify.aws.dev 1,163
c.prod-us-west-1.armapps.canary.console.amplify.aws.dev 1,162
c.prod-ap-northeast-3.armapps.canary.console.amplify.aws.dev 1,155
c.prod-us-west-2.armapps.canary.console.amplify.aws.dev 1,151
c.prod-eu-west-2.armapps.canary.console.amplify.aws.dev 1,138
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 1,454
ℹ Coverage will improve significantly once CZDS zone-file access is granted for this TLD.