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.

31 hosts · 346 ms

HostCertsFirst seenLast seenDNS
inman.com 27 2025-12-14 2026-10-02 ok
*.inman.com 22 2025-12-14 2026-09-18 —
c2.inman.com 10 2026-05-02 2026-08-28 ok
news2.inman.com 4 2026-06-12 2026-06-12 ok
www2.inman.com 9 2026-04-20 2026-09-17 ok
auth.inman.com 8 2026-05-01 2026-08-27 ok
link.inman.com 5 2026-05-06 2026-09-03 ok
promo.inman.com 18 2026-06-05 2026-10-01 ok
tp.inman.com 8 2026-05-08 2026-09-03 ok
communities.inman.com 2 2026-08-11 2026-08-11 ok
partnerships.inman.com 9 2026-04-16 2026-09-13 ok
groups.inman.com 14 2026-04-18 2026-08-14 ok
events.inman.com 2 2026-02-26 2026-07-29 ok
new.events.inman.com 2 2026-04-22 2026-04-22 ok
news.inman.com 4 2026-05-21 2026-05-22 ok
connect.inman.com 13 2026-05-09 2026-09-06 ok
socialsummit.inman.com 5 2026-07-27 2026-09-25 ok
support.inman.com 5 2026-05-11 2026-09-08 ok
podcast.inman.com 4 2026-07-09 2026-09-06 ok
checkout.inman.com 10 2026-04-21 2026-08-18 ok
sandbox.inman.com 6 2026-05-15 2026-09-16 ok
link-sandbox.inman.com 5 2026-05-02 2026-08-30 ok
select-sandbox.inman.com 5 2026-10-02 2026-10-02 nodata
*.select-sandbox.inman.com 5 2026-10-02 2026-10-02 —
c2.sandbox.inman.com 11 2026-05-31 2026-09-26 ok
auth.sandbox.inman.com 9 2026-05-31 2026-09-26 ok
tp.sandbox.inman.com 10 2026-05-07 2026-09-02 ok
vx.sandbox.inman.com 13 2026-05-31 2026-09-26 ok
vx.inman.com 10 2026-04-30 2026-08-27 ok
community.inman.com 13 2026-05-21 2026-09-17 ok
email.community.inman.com 1 2026-08-19 2026-08-19 ok

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