Find every subdomain
of a domain.

Every hostname under a domain that ever appeared in a public TLS certificate — with certificate counts, first/last seen and live DNS status.

100 hosts (first page) · 498 ms

HostCertsFirst seenLast seenDNS
windy.com 11 2026-04-18 2026-10-07 ok
*.windy.com 15 2026-04-17 2026-10-07 —
eu-vpn1.windy.com 5 2026-05-21 2026-09-17 ok
go.windy.com 17 2026-05-12 2026-09-07 ok
superset.windy.com 3 2026-05-08 2026-08-24 nxdomain
client-index-rc-37-2-0.dev.windy.com 4 2026-06-04 2026-10-02 ok
client-index-nesro-staging20260910.dev.windy.com 1 2026-09-10 2026-09-10 ok
client-index-nesro-staging0520.dev.windy.com 2 2026-05-20 2026-05-20 ok
dev-windy-backend-vsx0a0.dev.windy.com 1 2026-09-15 2026-09-15 ok
client-index-hotfix-30-0-1.dev.windy.com 5 2026-06-06 2026-10-03 ok
client-index-hotfix-50-0-1.dev.windy.com 2 2026-04-28 2026-04-28 ok
client-index-hotfix-51-0-1.dev.windy.com 2 2026-07-28 2026-07-28 ok
client-index-hotfix-43-0-1.dev.windy.com 4 2026-06-06 2026-10-04 ok
client-index-hotfix-44-0-1.dev.windy.com 5 2026-05-23 2026-09-19 ok
client-index-hotfix-50-1-1.dev.windy.com 2 2026-06-10 2026-06-10 ok
client-index-hotfix-51-1-1.dev.windy.com 1 2026-08-10 2026-08-10 ok
client-index-hotfix-44-1-1.dev.windy.com 4 2026-04-12 2026-08-10 ok
client-index-dave-49-1-1.dev.windy.com 2 2026-04-28 2026-04-28 ok
client-index-hotfix-41-2-1.dev.windy.com 5 2026-05-26 2026-09-23 ok
client-index-hotfix-51-2-1.dev.windy.com 1 2026-09-07 2026-09-07 ok
client-index-hotfix-42-2-1.dev.windy.com 5 2026-06-02 2026-09-30 ok
client-index-hotfix-51-3-1.dev.windy.com 1 2026-09-30 2026-09-30 ok
client-index-hotfix-42-4-1.dev.windy.com 5 2026-05-07 2026-09-04 ok
dev-windy-radar-r-uxyqv1.dev.windy.com 5 2026-05-25 2026-09-22 ok
dev-windy-model-i-6tisy1.dev.windy.com 7 2026-05-17 2026-09-14 ok
client-index-hotfix-50-0-2.dev.windy.com 2 2026-05-04 2026-05-04 ok
client-index-hotfix-42-0-2.dev.windy.com 5 2026-05-29 2026-09-26 ok
client-index-hotfix-43-0-2.dev.windy.com 5 2026-05-03 2026-08-31 ok
client-index-hotfix-44-0-2.dev.windy.com 5 2026-05-26 2026-09-22 ok
client-index-hotfix-50-1-2.dev.windy.com 2 2026-06-24 2026-06-24 ok
client-index-dave-v50-1-2.dev.windy.com 2 2026-07-22 2026-07-22 ok
client-index-hotfix-51-1-2.dev.windy.com 1 2026-08-20 2026-08-20 ok
client-index-hotfix-42-1-2.dev.windy.com 4 2026-04-19 2026-08-17 ok
client-index-hotfix-44-1-2.dev.windy.com 4 2026-04-12 2026-08-10 ok
client-index-hotfix-41-2-2.dev.windy.com 6 2026-06-03 2026-10-01 ok
client-index-dave-v41-2-2.dev.windy.com 4 2026-04-12 2026-08-10 ok
client-index-hotfix-42-2-2.dev.windy.com 6 2026-06-02 2026-09-30 ok
client-index-hotfix-51-3-2.dev.windy.com 1 2026-10-07 2026-10-07 ok
client-index-hotfix-42-5-2.dev.windy.com 5 2026-05-15 2026-09-12 ok
client-index-milan-compare-m4112.dev.windy.com 8 2026-06-02 2026-09-30 ok
dev-windy-webcams-8s7512.dev.windy.com 2 2026-06-02 2026-06-02 ok
client-index-kubapelc-route-preview-fix-1932.dev.windy.com 1 2026-09-29 2026-09-29 ok
dev-windy-webcams-7b25a2.dev.windy.com 1 2026-08-31 2026-08-31 ok
client-index-jv-data-store2.dev.windy.com 4 2026-06-09 2026-10-07 ok
dev-windy-model-i-rysbi2.dev.windy.com 5 2026-05-23 2026-09-20 ok
client-index-milan-radsat-map2.dev.windy.com 5 2026-05-02 2026-08-30 ok
dev-windy-backend-utkds2.dev.windy.com 4 2026-05-11 2026-07-10 ok
client-index-pavel-fixes2.dev.windy.com 4 2026-05-19 2026-09-17 ok
client-index-nesro-alerts2.dev.windy.com 4 2026-04-19 2026-08-17 ok
client-index-simon-storekit2.dev.windy.com 2 2026-06-22 2026-06-22 ok
client-index-milan-sat-nowcast2.dev.windy.com 4 2026-04-12 2026-08-10 ok
client-index-tzeman-promo-minimal-v2.dev.windy.com 2 2026-06-02 2026-06-02 ok
client-index-tzeman-promo-full-v2.dev.windy.com 2 2026-06-04 2026-06-04 ok
client-index-hotfix-50-0-3.dev.windy.com 2 2026-05-12 2026-05-12 ok
client-index-hotfix-43-0-3.dev.windy.com 5 2026-05-10 2026-09-06 ok
client-index-hotfix-44-0-3.dev.windy.com 5 2026-05-26 2026-09-23 ok
client-index-hotfix-44-1-3.dev.windy.com 4 2026-04-13 2026-08-11 ok
client-index-hotfix-42-2-3.dev.windy.com 5 2026-06-06 2026-10-04 ok
client-index-hotfix-4-2-3.dev.windy.com 5 2026-06-04 2026-10-02 ok
client-index-simon-42-5-3.dev.windy.com 5 2026-06-03 2026-10-01 ok
dev-windy-webcams-377k53.dev.windy.com 2 2026-05-11 2026-05-11 ok
dev-windy-backend-4sn3e3.dev.windy.com 1 2026-08-18 2026-08-18 ok
dev-windy-backend-ktnch3.dev.windy.com 6 2026-05-11 2026-07-10 ok
client-index-pavel-fixes3.dev.windy.com 3 2026-05-29 2026-09-18 ok
client-index-jv-data-store2-v3.dev.windy.com 1 2026-08-18 2026-08-18 ok
client-index-hotfix-43-0-4.dev.windy.com 5 2026-05-19 2026-09-16 ok
client-index-hotfix-44-0-4.dev.windy.com 5 2026-05-27 2026-09-24 ok
client-index-hotfix-42-1-4.dev.windy.com 5 2026-04-26 2026-08-23 ok
client-index-hotfix-42-5-4.dev.windy.com 5 2026-06-04 2026-10-01 ok
client-index-patrik-satellite-tmp-dev-19022024.dev.windy.com 4 2026-06-09 2026-10-07 ok
dev-windy-webcams-f3usa4.dev.windy.com 2 2026-06-05 2026-06-05 ok
client-index-nesro-staging4.dev.windy.com 5 2026-05-14 2026-09-11 ok
dev-windy-webcams-1493l4.dev.windy.com 2 2026-05-28 2026-05-28 ok
dev-windy-backend-wqkrr4.dev.windy.com 5 2026-05-21 2026-09-18 ok
account-web.dev-windy-sites-a-0qfjs4.dev.windy.com 5 2026-05-03 2026-08-31 ok
client-index-milan-sat-nowcast4.dev.windy.com 4 2026-04-15 2026-08-13 ok
client-index-hotfix-43-0-5.dev.windy.com 5 2026-05-31 2026-09-28 ok
client-index-hotfix-44-0-5.dev.windy.com 5 2026-06-01 2026-09-29 ok
client-index-milan-garmin-promo-update-5.dev.windy.com 2 2026-04-22 2026-04-22 ok
dev-windy-webcams-r7oi35.dev.windy.com 2 2026-05-28 2026-05-28 ok
dev-windy-sites-a-j55mr5.dev.windy.com 2 2026-06-16 2026-06-16 ok
client-index-milan-rad-sat5.dev.windy.com 5 2026-05-21 2026-09-18 ok
client-index-vasek-typescript-6.dev.windy.com 1 2026-04-14 2026-04-14 ok
client-index-marek-staging-pg16.dev.windy.com 1 2026-08-18 2026-08-18 ok
dev-windy-webcams-suks66.dev.windy.com 2 2026-06-10 2026-06-10 ok
dev-windy-aviatio-e87sp6.dev.windy.com 2 2026-07-16 2026-07-16 ok
dev-windy-webcams-h813t6.dev.windy.com 4 2026-04-12 2026-08-10 ok
client-index-hotfix-42-1-7.dev.windy.com 5 2026-05-23 2026-09-20 ok
dev-windy-radar-r-iani57.dev.windy.com 5 2026-05-21 2026-09-18 ok
dev-windy-backend-zulqg7.dev.windy.com 1 2026-08-27 2026-08-27 ok
dev-windy-backend-h9cun7.dev.windy.com 1 2026-08-18 2026-08-18 ok
dev-windy-webcams-403r58.dev.windy.com 2 2026-06-02 2026-06-02 ok
dev-windy-backend-el04n8.dev.windy.com 2 2026-04-27 2026-04-27 ok
dev-windy-webcams-a8ber8.dev.windy.com 2 2026-06-02 2026-06-02 ok
client-index-mark-capacitor8.dev.windy.com 1 2026-08-31 2026-08-31 ok
dev-windy-webcams-khfpj9.dev.windy.com 2 2026-05-28 2026-05-28 ok
dev-windy-backend-x27so9.dev.windy.com 1 2026-09-02 2026-09-02 ok
dev-windy-model-t-150j1a.dev.windy.com 5 2026-05-21 2026-09-18 ok
dev-windy-backend-4ts88a.dev.windy.com 4 2026-04-16 2026-08-14 ok
client-index-fk-jma.dev.windy.com 4 2026-04-16 2026-08-13 ok

Showing the first 100 hostnames — sign in with GitHub or Google to page the full list, or use the API with an API key: GET /v1/hosts/windy.com.

Shown here: hostnames with a certificate that is valid now or expired within the last 90 days. The full history since 2013 — hostnames whose last certificate expired earlier — is a Pro plan method: GET /v1/hosts-history/windy.com.