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.

25 hosts · 304 ms

HostCertsFirst seenLast seenDNS
cleartax.com 8 2025-11-06 2026-10-06 ok
*.cleartax.com 9 2025-10-10 2026-09-14 —
mea.cleartax.com 13 2025-07-31 2026-08-25 nodata
*.mea.cleartax.com 15 2025-07-31 2026-08-25 —
qa.cleartax.com 1 2026-02-08 2026-02-08 nodata
*.qa.cleartax.com 1 2026-02-08 2026-02-08 —
sa.cleartax.com 1 2026-02-24 2026-02-24 nodata
*.sa.cleartax.com 1 2026-02-24 2026-02-24 —
ae.cleartax.com 1 2025-06-11 2025-06-11 nodata
*.ae.cleartax.com 1 2025-06-11 2025-06-11 —
sg.cleartax.com 3 2026-02-23 2026-07-11 nodata
*.sg.cleartax.com 3 2026-02-23 2026-07-11 —
om.cleartax.com 3 2026-08-21 2026-08-21 nodata
*.om.cleartax.com 3 2026-08-21 2026-08-21 —
go.cleartax.com 16 2026-05-22 2026-09-17 ok
jo.cleartax.com 1 2026-02-24 2026-02-24 nxdomain
*.jo.cleartax.com 1 2026-02-24 2026-02-24 —
lp.cleartax.com 8 2026-05-22 2026-09-17 ok
fr.cleartax.com 3 2026-01-08 2026-05-08 nodata
*.fr.cleartax.com 3 2026-01-08 2026-05-08 —
eu.cleartax.com 8 2025-07-21 2026-06-25 nodata
*.eu.cleartax.com 8 2025-07-21 2026-06-25 —
www.cleartax.com 5 2025-11-06 2026-10-06 ok
my.cleartax.com 4 2025-09-29 2026-08-30 nodata
*.my.cleartax.com 6 2025-09-29 2026-09-14 —

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