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.

27 hosts · 294 ms

HostCertsFirst seenLast seenDNS
bankofguam.com 9 2025-06-13 2026-08-09 ok
*.bankofguam.com 11 2026-04-03 2026-09-30 —
LIGA.bankofguam.com 1 2025-10-29 2025-10-29 —
LUGA.bankofguam.com 1 2025-10-29 2025-10-29 —
chagopra.bankofguam.com 1 2026-04-09 2026-04-09 ok
*.ac.bankofguam.com 1 2026-05-20 2026-05-20 —
ncino-saml-3274-prod.bankofguam.com 2 2025-10-08 2025-10-16 nxdomain
www.ncino-saml-3274-prod.bankofguam.com 2 2025-10-08 2025-10-16 nxdomain
mortgage.bankofguam.com 5 2026-04-28 2026-08-26 ok
atotche.bankofguam.com 1 2026-02-12 2026-02-12 ok
online.bankofguam.com 6 2026-04-16 2026-08-12 ok
staging.bankofguam.com 6 2026-02-12 2026-09-18 ok
chinagi.bankofguam.com 1 2026-02-12 2026-02-12 ok
fsmadmin-api.bankofguam.com 1 2026-05-19 2026-05-19 ok
cloud.email.bankofguam.com 3 2025-08-26 2026-09-05 ok
image.email.bankofguam.com 3 2025-08-23 2026-09-10 ok
click.email.bankofguam.com 3 2025-08-26 2026-09-05 ok
view.email.bankofguam.com 3 2025-08-26 2026-09-06 ok
openaccountretail.bankofguam.com 12 2026-05-24 2026-09-19 ok
fsm.bankofguam.com 1 2026-05-19 2026-05-19 ok
fsmadmin.bankofguam.com 1 2026-05-19 2026-05-19 ok
info.bankofguam.com 5 2026-05-04 2026-09-02 ok
ems.bankofguam.com 1 2026-05-20 2026-05-20 ok
openaccountbusiness.bankofguam.com 3 2025-11-04 2026-10-05 ok
ncino-saml-3274-test.bankofguam.com 2 2025-10-08 2025-10-16 nxdomain
www.ncino-saml-3274-test.bankofguam.com 2 2025-10-08 2025-10-16 nxdomain
www.bankofguam.com 4 2025-06-13 2026-08-04 ok

Programmatic access, with DNS A records: API GET /v1/hosts/bankofguam.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/bankofguam.com.