Check-Host.cc

Top-Level Domain

.dev

Aggregated statistics for the top-level domain

Apex domains
7,586,345
we've enumerated
Subdomains seen
13,609,792
CT + DNS + brute
TLS certs
34,543
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 17,451
Let's Encrypt 8,980
WR3 1,954
YE2 826
Cloudflare 787
YE1 759
WR4 717
YR2 594
YR1 576
Sectigo 318
camera.ubnt.dev 169
DigiCert 142
ZeroSSL 139
GoDaddy 108
GlobalSign 83

Top Hosting ASNs

ASN Name .dev domains
AS13335 Cloudflare 2,513,515
AS16509 Amazon.com 118,331
AS24940 Hetzner Online 31,952
AS396982 Google Cloud 30,668
AS8075 Microsoft 14,525
AS14618 Amazon AES 13,955
AS54113 Fastly, Inc. 11,342
AS14061 DigitalOcean 10,661
AS16276 OVHcloud 8,621
AS53831 SQUARESPACE 4,744
AS47846 4,200
AS47583 Hostinger International 3,827
AS8881 1&1 Versatel Deutschland 3,543
AS15169 Google LLC 3,088
AS61969 2,993

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 1,209
c.prod-ap-east-1.armapps.canary.console.amplify.aws.dev 1,191
c.prod-eu-central-1.armapps.canary.console.amplify.aws.dev 1,187
c.gamma-us-east-1.armapps.canary.console.amplify.aws.dev 1,183
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-1.armapps.canary.console.amplify.aws.dev 1,170
c.prod-ap-southeast-2.armapps.canary.console.amplify.aws.dev 1,170
c.prod-us-east-2.armapps.canary.console.amplify.aws.dev 1,166
c.prod-us-west-1.armapps.canary.console.amplify.aws.dev 1,165
c.prod-ap-northeast-3.armapps.canary.console.amplify.aws.dev 1,161
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 524

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.