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.

35 hosts · 201 ms

HostCertsFirst seenLast seen
scfta.org 9 2025-11-10 2026-07-27
*.scfta.org 6 2025-11-10 2026-04-06
tt06.scfta.org 3 2026-02-23 2026-10-08
syos-tt06.scfta.org 1 2026-02-21 2026-02-21
tt07.scfta.org 3 2026-02-25 2026-10-09
syos-tt07.scfta.org 2 2026-04-12 2026-08-04
wlc.scfta.org 1 2026-04-01 2026-04-01
www.wlc.scfta.org 1 2026-04-01 2026-04-01
seatme.scfta.org 6 2026-05-04 2026-10-01
share.scfta.org 11 2025-09-24 2026-10-08
www.share.scfta.org 1 2025-09-24 2025-09-24
newsite.scfta.org 2 2026-02-13 2026-06-05
queue.scfta.org 4 2025-10-06 2026-10-09
staging.scfta.org 2 2026-02-13 2026-06-05
totg.scfta.org 5 2026-01-20 2026-02-09
maintenance.mail.scfta.org 2 2026-09-21 2026-09-21
tl.scfta.org 4 2026-04-18 2026-08-16
tt06-admin.scfta.org 3 2026-02-25 2026-10-09
newsite-admin.scfta.org 3 2026-02-24 2026-10-08
staging-admin.scfta.org 3 2026-02-23 2026-10-08
go.scfta.org 4 2026-04-16 2026-09-01
shop.scfta.org 19 2026-05-21 2026-10-01
videos.scfta.org 3 2026-02-21 2026-10-08
staging-syos.scfta.org 4 2026-02-04 2026-09-19
seats.scfta.org 4 2026-04-18 2026-09-15
wallet.scfta.org 3 2026-05-19 2026-09-10
*.wallet.scfta.org 3 2026-05-19 2026-09-10
idp.wallet.scfta.org 4 2026-06-05 2026-09-22
testwallet.scfta.org 3 2026-05-17 2026-08-31
*.testwallet.scfta.org 3 2026-05-17 2026-08-31
spotlight.scfta.org 3 2026-02-19 2026-10-08
seatme-new.scfta.org 3 2026-05-02 2026-08-25
tt06-syos-new.scfta.org 4 2026-02-04 2026-09-19
www.scfta.org 4 2026-05-14 2026-07-27
survey.scfta.org 4 2026-06-12 2026-10-11

Programmatic access: API GET /v1/hosts/scfta.org (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/scfta.org.