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.

24 hosts · 340 ms

HostCertsFirst seenLast seenDNS
sweatybetty.com 1 2025-12-16 2025-12-16 ok
ssgtmlb.sweatybetty.com 3 2026-05-23 2026-09-07 ok
qasfcc.sweatybetty.com 12 2026-05-21 2026-09-17 ok
www.qasfcc.sweatybetty.com 10 2026-05-21 2026-09-16 ok
bc-archive.sweatybetty.com 1 2026-04-09 2026-04-09 ok
staging.sweatybetty.com 10 2026-04-24 2026-08-20 ok
qa-staging.sweatybetty.com 13 2026-06-04 2026-09-30 ok
track.sweatybetty.com 1 2026-05-20 2026-05-20 nxdomain
servicedesk.sweatybetty.com 12 2026-04-22 2026-08-19 ok
help-global.sweatybetty.com 2 2025-07-29 2026-07-09 ok
ssgtm.sweatybetty.com 3 2026-05-23 2026-09-07 ok
help.sweatybetty.com 2 2025-07-29 2026-07-09 ok
mp.sweatybetty.com 4 2026-04-17 2026-08-15 ok
analytics.sweatybetty.com 5 2026-06-01 2026-09-17 ok
images.sweatybetty.com 8 2026-02-16 2026-10-01 ok
clicks.sweatybetty.com 3 2026-05-15 2026-09-28 ok
forms.sweatybetty.com 14 2026-05-16 2026-09-12 ok
help-us.sweatybetty.com 2 2025-07-29 2026-07-09 ok
development.sweatybetty.com 6 2026-05-19 2026-09-14 ok
www.development.sweatybetty.com 12 2026-05-19 2026-09-14 ok
test.sweatybetty.com 10 2026-04-27 2026-08-23 ok
help-au.sweatybetty.com 2 2025-07-29 2026-07-09 ok
help-eu.sweatybetty.com 2 2025-07-29 2026-07-09 ok
www.sweatybetty.com 8 2026-04-29 2026-08-25 ok

Programmatic access, with DNS A records: API GET /v1/hosts/sweatybetty.com (API key for paging).

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/sweatybetty.com.