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.

28 hosts · 182 ms

HostCertsFirst seenLast seen
newmanu.edu 38 2026-01-30 2026-10-08
*.newmanu.edu 26 2026-01-30 2026-10-06
j1.newmanu.edu 11 2026-05-25 2026-09-21
instantid.newmanu.edu 1 2026-05-07 2026-05-07
www.instantid.newmanu.edu 1 2026-05-07 2026-05-07
newman-bond.newmanu.edu 4 2026-04-19 2026-08-17
marketplace.newmanu.edu 8 2026-05-13 2026-09-08
voice.newmanu.edu 13 2026-05-09 2026-08-20
nextcloud.share.newmanu.edu 5 2026-05-27 2026-09-24
my.share.newmanu.edu 6 2026-05-04 2026-09-01
graduate.newmanu.edu 2 2025-07-28 2026-06-28
go.graduate.newmanu.edu 5 2026-05-25 2026-09-22
www.graduate.newmanu.edu 2 2025-07-28 2026-06-28
ai.newmanu.edu 3 2026-06-30 2026-08-17
alumni.newmanu.edu 5 2026-05-28 2026-09-25
customviewbook.newmanu.edu 5 2026-05-08 2026-09-05
vpn.newmanu.edu 3 2025-08-05 2026-09-04
www.vpn.newmanu.edu 3 2025-08-05 2026-09-04
constituo.newmanu.edu 2 2025-07-01 2026-08-04
www.constituo.newmanu.edu 2 2025-07-01 2026-08-04
exacq.newmanu.edu 4 2026-06-06 2026-10-04
pathmaker.newmanu.edu 5 2026-05-29 2026-10-01
netpartner.newmanu.edu 8 2025-09-29 2026-10-03
mta-sts.newmanu.edu 12 2026-04-14 2026-10-08
support.newmanu.edu 13 2026-05-19 2026-09-14
apply.newmanu.edu 5 2026-05-16 2026-09-10
my.newmanu.edu 8 2026-05-23 2026-09-18
repository.newmanu.edu 3 2026-06-13 2026-08-14

Programmatic access: API GET /v1/hosts/newmanu.edu (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/newmanu.edu.