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 · 274 ms

HostCertsFirst seenLast seen
affinitycu.ca 1 2026-02-16 2026-02-16
*.affinitycu.ca 1 2026-02-16 2026-02-16
sba1.affinitycu.ca 8 2025-08-14 2026-08-06
sbc1.affinitycu.ca 7 2025-08-14 2026-08-06
sba2.affinitycu.ca 3 2025-08-14 2026-08-06
sbc2.affinitycu.ca 3 2025-08-14 2026-08-06
uma.affinitycu.ca 3 2025-08-14 2026-07-03
infohub.affinitycu.ca 1 2025-12-02 2025-12-02
creditcard.affinitycu.ca 3 2025-07-21 2026-06-26
cooperativeaward.affinitycu.ca 4 2026-02-19 2026-10-03
authorize.affinitycu.ca 3 2025-08-14 2026-07-03
ssosigning.affinitycu.ca 2 2025-08-15 2026-07-14
personal.affinitycu.ca 3 2025-08-14 2026-07-03
mail.affinitycu.ca 3 2025-08-14 2026-08-06
webmail.affinitycu.ca 4 2025-08-14 2026-08-06
prodmail.affinitycu.ca 4 2025-08-14 2026-08-06
earl.affinitycu.ca 9 2026-05-19 2026-09-26
cooperativeawardadmin.affinitycu.ca 4 2026-02-19 2026-10-04
membershipadmin.affinitycu.ca 4 2026-02-19 2026-10-06
join.affinitycu.ca 5 2025-08-27 2026-10-03
test-join.affinitycu.ca 4 2026-03-27 2026-08-28
www.join.affinitycu.ca 2 2025-08-27 2026-10-03
cloud.info.affinitycu.ca 3 2026-03-04 2026-08-05
image.info.affinitycu.ca 2 2025-10-01 2025-10-01
click.info.affinitycu.ca 2 2026-02-26 2026-07-30
view.info.affinitycu.ca 2 2026-03-01 2026-08-03
qi-sso.affinitycu.ca 3 2025-07-11 2026-06-25
membership.affinitycu.ca 3 2026-02-19 2026-10-03
mapp.affinitycu.ca 1 2025-08-14 2025-08-14
autodiscover.affinitycu.ca 4 2025-08-14 2026-08-06
rds.affinitycu.ca 3 2025-08-15 2026-08-11
mortgages.affinitycu.ca 11 2026-05-18 2026-09-14
business.affinitycu.ca 3 2025-08-14 2026-07-03
authorize-business.affinitycu.ca 3 2025-08-14 2026-07-03
cheersforpeerstest.affinitycu.ca 3 2025-12-03 2026-07-24

Programmatic access: API GET /v1/hosts/affinitycu.ca (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/affinitycu.ca.