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.

49 hosts · 295 ms

HostCertsFirst seenLast seenDNS
uhhospitals.org 7 2025-11-11 2026-08-06 ok
*.uhhospitals.org 3 2025-11-11 2026-04-13 —
ext-gw-1.uhhospitals.org 2 2025-10-01 2025-10-20 ok
UCXPRESSEAUC21.uhhospitals.org 1 2026-04-13 2026-04-13 —
UCXPRESSEDUC21.uhhospitals.org 1 2026-04-13 2026-04-13 —
ucvcse1uc21.uhhospitals.org 2 2026-02-24 2026-02-24 ok
ext-gw-2.uhhospitals.org 2 2025-10-01 2025-10-20 ok
UCXPRESSEALK22.uhhospitals.org 1 2026-04-13 2026-04-13 —
UCXPRESSEDLK22.uhhospitals.org 1 2026-04-13 2026-04-13 —
ext-gw-uc2.uhhospitals.org 1 2026-01-30 2026-01-30 ok
ext-gw-ind2.uhhospitals.org 1 2026-01-30 2026-01-30 ok
vpn2.uhhospitals.org 2 2025-10-01 2025-10-20 ok
www2.uhhospitals.org 1 2026-01-21 2026-01-21 nxdomain
mail16.uhhospitals.org 1 2026-05-27 2026-05-27 nodata
vpn-lab.uhhospitals.org 1 2026-04-13 2026-04-13 ok
ace.uhhospitals.org 2 2026-02-24 2026-02-24 nxdomain
expresswayedge.uhhospitals.org 1 2026-04-13 2026-04-13 nxdomain
secure.uhhospitals.org 1 2026-01-19 2026-01-19 ok
uhclevelandcmg.uhhospitals.org 1 2025-12-29 2025-12-29 ok
uhmktsitesearch.uhhospitals.org 1 2026-09-29 2026-09-29 ok
vdi.uhhospitals.org 1 2026-01-19 2026-01-19 ok
mail.uhhospitals.org 1 2026-05-27 2026-05-27 ok
securemail.uhhospitals.org 1 2025-10-13 2025-10-13 ok
cdn.uhhospitals.org 2 2026-01-13 2026-06-10 ok
vpn.uhhospitals.org 2 2025-10-01 2025-10-20 ok
video.uhhospitals.org 1 2026-04-13 2026-04-13 ok
redcap.uhhospitals.org 2 2025-09-02 2025-09-02 ok
identityserver.uhhospitals.org 2 2026-01-13 2026-06-11 ok
author.uhhospitals.org 2 2026-01-13 2026-06-10 ok
itauthor.uhhospitals.org 1 2026-05-25 2026-05-25 ok
analytics.uhhospitals.org 2 2026-05-30 2026-05-30 ok
ventures.uhhospitals.org 2 2025-07-31 2026-07-20 ok
clinicaltrials.uhhospitals.org 1 2026-05-25 2026-05-25 ok
cloud.emails.uhhospitals.org 2 2025-07-30 2026-07-17 ok
image.emails.uhhospitals.org 3 2025-06-09 2026-05-18 ok
communications.uhhospitals.org 1 2025-11-24 2025-11-24 ok
maps.uhhospitals.org 2 2026-01-17 2026-06-12 ok
careers.uhhospitals.org 3 2025-09-04 2026-08-27 ok
volunteers.uhhospitals.org 4 2025-09-02 2026-08-11 ok
news.uhhospitals.org 2 2026-01-16 2026-06-12 ok
ehrdirect.uhhospitals.org 1 2025-11-12 2025-11-12 ok
it.uhhospitals.org 1 2026-05-24 2026-05-24 ok
paceart.uhhospitals.org 1 2026-02-10 2026-02-10 nxdomain
venturestest.uhhospitals.org 1 2026-06-11 2026-06-11 ok
nursingoperationstest.uhhospitals.org 2 2026-08-10 2026-08-10 nodata
pacearttest.uhhospitals.org 1 2026-02-10 2026-02-10 nxdomain
vpn-lab-gw.uhhospitals.org 1 2026-04-13 2026-04-13 ok
www.uhhospitals.org 4 2026-01-16 2026-06-12 ok
guestaccesspolicy.uhhospitals.org 1 2026-07-15 2026-07-15 ok

Programmatic access, with DNS A records: API GET /v1/hosts/uhhospitals.org (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/uhhospitals.org.