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.

28 hosts · 251 ms

HostCertsFirst seenLast seen
polishedgeek.com 75 2026-04-24 2026-09-14
*.polishedgeek.com 31 2026-04-24 2026-09-04
outbound.polishedgeek.com 4 2026-05-04 2026-05-18
explore.polishedgeek.com 19 2026-06-10 2026-10-06
signature.polishedgeek.com 11 2026-04-15 2026-10-09
oldsite.polishedgeek.com 15 2026-06-09 2026-10-05
dsh.polishedgeek.com 18 2026-04-30 2026-08-27
tsh.polishedgeek.com 14 2026-04-29 2026-08-25
vsh.polishedgeek.com 20 2026-04-29 2026-08-25
bimi.polishedgeek.com 24 2026-04-15 2026-10-09
email.polishedgeek.com 6 2026-07-21 2026-07-21
video.polishedgeek.com 31 2026-05-19 2026-09-15
logo.polishedgeek.com 14 2026-04-29 2026-08-25
*.hello.polishedgeek.com 10 2026-05-02 2026-08-28
mail.hello.polishedgeek.com 5 2026-04-30 2026-09-23
webmail.hello.polishedgeek.com 5 2026-04-30 2026-09-23
qr.polishedgeek.com 42 2026-04-20 2026-09-16
docs.polishedgeek.com 10 2026-04-28 2026-08-24
*.docs.polishedgeek.com 10 2026-05-02 2026-08-28
phpmyadmin.docs.polishedgeek.com 14 2026-04-28 2026-08-24
clients.polishedgeek.com 12 2026-04-29 2026-08-25
connect.polishedgeek.com 5 2026-04-23 2026-08-21
*.connect.polishedgeek.com 10 2026-05-02 2026-08-28
mail.connect.polishedgeek.com 5 2026-04-30 2026-09-23
webmail.connect.polishedgeek.com 5 2026-04-30 2026-09-23
meet.polishedgeek.com 6 2026-05-19 2026-10-01
vault.polishedgeek.com 25 2026-04-28 2026-09-12
www.polishedgeek.com 26 2026-04-25 2026-08-23

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