Check-Host.cc

Top-Level Domain

.dev

Aggregated statistics for the top-level domain

Apex domains
7,631,121
we've enumerated
Subdomains seen
13,715,613
CT + DNS + brute
TLS certs
34,724
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 17,462
Let's Encrypt 9,002
WR3 1,989
YE2 840
Cloudflare 791
YE1 783
WR4 739
YR2 609
YR1 593
Sectigo 321
camera.ubnt.dev 170
DigiCert 142
ZeroSSL 139
GoDaddy 109
GlobalSign 84

Top Hosting ASNs

ASN Name .dev domains
AS13335 Cloudflare 2,525,029
AS16509 Amazon.com 118,890
AS24940 Hetzner Online 32,601
AS396982 Google Cloud 31,235
AS8075 Microsoft 14,582
AS14618 Amazon AES 13,985
AS54113 Fastly, Inc. 11,407
AS14061 DigitalOcean 10,718
AS16276 OVHcloud 8,690
AS53831 SQUARESPACE 4,777
AS47846 4,203
AS47583 Hostinger International 3,861
AS8881 1&1 Versatel Deutschland 3,543
AS15169 Google LLC 3,124
AS61969 3,017

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 1,283
c.prod-eu-north-1.armapps.canary.console.amplify.aws.dev 1,226
c.prod-ca-central-1.armapps.canary.console.amplify.aws.dev 1,224
c.prod-ap-south-1.armapps.canary.console.amplify.aws.dev 1,223
c.prod-ap-northeast-2.armapps.canary.console.amplify.aws.dev 1,218
c.prod-eu-south-1.armapps.canary.console.amplify.aws.dev 1,213
c.prod-ap-east-1.armapps.canary.console.amplify.aws.dev 1,200
c.prod-eu-central-1.armapps.canary.console.amplify.aws.dev 1,191
c.prod-eu-west-1.armapps.canary.console.amplify.aws.dev 1,186
c.gamma-us-east-1.armapps.canary.console.amplify.aws.dev 1,186
c.prod-ap-southeast-2.armapps.canary.console.amplify.aws.dev 1,177
c.prod-us-east-1.armapps.canary.console.amplify.aws.dev 1,176
c.prod-ap-southeast-1.armapps.canary.console.amplify.aws.dev 1,176
c.prod-us-east-2.armapps.canary.console.amplify.aws.dev 1,175
c.prod-ap-northeast-3.armapps.canary.console.amplify.aws.dev 1,169
c.prod-us-west-1.armapps.canary.console.amplify.aws.dev 1,169
c.prod-us-west-2.armapps.canary.console.amplify.aws.dev 1,168
c.prod-eu-west-2.armapps.canary.console.amplify.aws.dev 1,142
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 539
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.