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.

33 hosts · 257 ms

HostCertsFirst seenLast seen
baselane.com 53 2026-04-24 2026-09-25
*.baselane.com 46 2025-07-15 2026-09-25
d9f2e651.baselane.com 2 2025-09-18 2026-08-19
f591a3c7.baselane.com 2 2025-09-18 2026-08-19
bfp-pre-prod.baselane.com 2 2025-08-24 2026-07-25
invite.baselane.com 9 2026-04-30 2026-08-28
email.banking.baselane.com 10 2026-05-06 2026-09-01
rahul-local.baselane.com 7 2026-05-15 2026-09-20
email.mail.baselane.com 10 2026-05-06 2026-09-01
cdn.baselane.com 2 2025-07-03 2026-06-03
join.baselane.com 10 2026-05-09 2026-09-04
go.baselane.com 10 2026-05-13 2026-09-08
pre-prod.sso.baselane.com 6 2026-06-09 2026-10-04
app.sso.baselane.com 5 2026-04-13 2026-10-01
dev.sso.baselane.com 2 2026-06-14 2026-06-14
*.dev.sso.baselane.com 2 2026-06-14 2026-06-14
bfp.baselane.com 1 2026-01-24 2026-01-24
help.baselane.com 4 2026-06-07 2026-10-05
features.baselane.com 16 2026-05-17 2026-09-23
prod.vgs.baselane.com 5 2026-06-09 2026-08-20
pre-prod.vgs.baselane.com 3 2026-06-09 2026-08-18
develop.vgs.baselane.com 3 2026-06-20 2026-08-29
partners.baselane.com 5 2026-06-30 2026-08-29
status.baselane.com 3 2026-06-24 2026-08-23
bfp-uat.baselane.com 2 2025-08-24 2026-07-25
vgs-uat.baselane.com 3 2026-06-12 2026-08-21
get.baselane.com 11 2026-06-01 2026-09-27
unit.baselane.com 1 2025-11-18 2025-11-18
document.baselane.com 7 2026-04-23 2026-08-20
support.baselane.com 4 2026-06-07 2026-10-05
bfp-dev.baselane.com 2 2025-08-24 2026-07-25
www.baselane.com 11 2026-05-31 2026-09-27
unit-sandbox.baselane.com 1 2025-11-18 2025-11-18

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