Find every subdomain
of a domain.

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

42 hosts · 287 ms

HostCertsFirst seenLast seen
thepoosquad.com 17 2026-05-11 2026-09-30
*.thepoosquad.com 12 2026-06-04 2026-09-30
topeka.thepoosquad.com 6 2026-05-12 2026-08-31
www.topeka.thepoosquad.com 2 2026-05-12 2026-05-12
wichita.thepoosquad.com 5 2026-05-12 2026-08-31
www.wichita.thepoosquad.com 2 2026-05-12 2026-05-12
nwkc.thepoosquad.com 5 2026-05-12 2026-08-31
www.nwkc.thepoosquad.com 2 2026-05-12 2026-05-12
lawrence.thepoosquad.com 5 2026-05-12 2026-08-31
www.lawrence.thepoosquad.com 2 2026-05-12 2026-05-12
riverside.thepoosquad.com 5 2026-05-12 2026-08-31
www.riverside.thepoosquad.com 2 2026-05-12 2026-05-12
olathe.thepoosquad.com 5 2026-05-12 2026-08-31
www.olathe.thepoosquad.com 2 2026-05-12 2026-05-12
seattle.thepoosquad.com 5 2026-05-12 2026-08-31
www.seattle.thepoosquad.com 2 2026-05-12 2026-05-12
westernslope.thepoosquad.com 5 2026-05-12 2026-08-31
www.westernslope.thepoosquad.com 2 2026-05-12 2026-05-12
hutch.thepoosquad.com 5 2026-05-12 2026-08-31
www.hutch.thepoosquad.com 2 2026-05-12 2026-05-12
email.thepoosquad.com 1 2025-12-19 2025-12-19
manhattan.thepoosquad.com 5 2026-05-12 2026-08-31
www.manhattan.thepoosquad.com 2 2026-05-12 2026-05-12
newhaven.thepoosquad.com 5 2026-05-12 2026-08-31
www.newhaven.thepoosquad.com 2 2026-05-12 2026-05-12
neo.thepoosquad.com 7 2026-05-12 2026-09-01
www.neo.thepoosquad.com 2 2026-05-12 2026-05-12
kcmo.thepoosquad.com 5 2026-05-12 2026-08-31
www.kcmo.thepoosquad.com 2 2026-05-12 2026-05-12
sacramento.thepoosquad.com 5 2026-05-12 2026-08-31
www.sacramento.thepoosquad.com 2 2026-05-12 2026-05-12
bridgewater.thepoosquad.com 5 2026-05-12 2026-08-31
www.bridgewater.thepoosquad.com 2 2026-05-12 2026-05-12
newbraunfels.thepoosquad.com 5 2026-05-12 2026-08-31
www.newbraunfels.thepoosquad.com 2 2026-05-12 2026-05-12
leessummit.thepoosquad.com 5 2026-05-12 2026-08-31
www.leessummit.thepoosquad.com 2 2026-05-12 2026-05-12
www.thepoosquad.com 5 2026-05-11 2026-08-31
lex.thepoosquad.com 7 2026-05-12 2026-08-31
www.lex.thepoosquad.com 2 2026-05-12 2026-05-12
atx.thepoosquad.com 5 2026-05-12 2026-08-31
www.atx.thepoosquad.com 2 2026-05-12 2026-05-12

Programmatic access: API GET /v1/hosts/thepoosquad.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/thepoosquad.com.