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.

90 hosts · 427 ms

HostCertsFirst seenLast seenDNS
ubt.com 1 2026-05-21 2026-05-21 ok
*.ubt.com 2 2025-07-29 2026-07-09 —
smtp-1.ubt.com 1 2026-05-18 2026-05-18 nxdomain
da-profisee1.ubt.com 1 2026-06-23 2026-06-23 nxdomain
pa-profisee1.ubt.com 2 2025-06-25 2026-07-15 nxdomain
ta-profisee1.ubt.com 2 2025-06-25 2026-07-15 nxdomain
ph-sql1.ubt.com 3 2025-09-15 2026-08-15 nxdomain
pl-sql1.ubt.com 4 2025-08-08 2026-08-15 nxdomain
smtp-2.ubt.com 1 2026-05-18 2026-05-18 nxdomain
xfer2.ubt.com 2 2025-07-16 2026-08-07 ok
sql-03.ubt.com 1 2026-02-04 2026-02-04 nxdomain
d-sql-16.ubt.com 3 2025-08-08 2026-08-18 nxdomain
sql-test-16.ubt.com 4 2025-08-08 2026-08-18 nxdomain
ra.ubt.com 4 2026-04-14 2026-09-23 ok
web.ubt.com 3 2025-08-06 2026-08-18 ok
olbweb.ubt.com 4 2025-07-17 2026-08-12 ok
mauiweb.ubt.com 5 2026-04-15 2026-09-30 ok
lockbox-q2-prod.ubt.com 1 2025-09-22 2025-09-22 nxdomain
sso-ubtgo-prod.ubt.com 1 2026-01-27 2026-01-27 nxdomain
service.ubt.com 1 2026-06-18 2026-06-18 ok
mortgage.ubt.com 5 2026-04-15 2026-09-30 ok
overdraftprivilege.ubt.com 3 2025-10-14 2026-10-04 ok
www.overdraftprivilege.ubt.com 1 2026-10-04 2026-10-04 nxdomain
profile.ubt.com 3 2025-08-07 2026-08-18 ok
d-profile.ubt.com 2 2025-06-26 2026-07-21 ok
t-profile.ubt.com 3 2025-08-07 2026-08-18 ok
applyonline.ubt.com 5 2026-04-15 2026-09-30 ok
secure.ubt.com 2 2025-07-16 2026-08-07 ok
dealerpayoff.ubt.com 2 2025-07-15 2026-08-05 ok
tracking.ubt.com 5 2026-06-06 2026-10-02 ok
d-csp-webapi.ubt.com 2 2025-06-25 2026-07-15 ok
sql-maui.ubt.com 1 2026-02-04 2026-02-04 nxdomain
digital.ubt.com 6 2026-05-12 2026-09-07 ok
mail.ubt.com 2 2026-07-09 2026-07-09 nxdomain
webmail.ubt.com 2 2026-07-09 2026-07-09 nxdomain
email.ubt.com 12 2026-04-24 2026-08-20 ok
pam-sql.ubt.com 3 2025-09-15 2026-08-15 nxdomain
login.ubt.com 1 2026-05-21 2026-05-21 ok
securelogin.ubt.com 1 2026-05-21 2026-05-21 nxdomain
info.ubt.com 8 2026-04-24 2026-08-20 ok
ubtgo.ubt.com 1 2026-05-05 2026-05-05 ok
qa-ubtgo.ubt.com 1 2025-10-28 2025-10-28 ok
dev2-mobile-ubtgo.ubt.com 1 2026-02-20 2026-02-20 ok
dev-mobile-ubtgo.ubt.com 3 2025-07-17 2026-08-09 ok
test-ubtgo.ubt.com 2 2025-07-17 2026-08-09 ok
bd-sso.ubt.com 1 2025-12-23 2025-12-23 nxdomain
merchcap.ubt.com 4 2026-03-11 2026-08-26 ok
t-merchcap.ubt.com 1 2025-09-22 2025-09-22 ok
smtp.ubt.com 2 2025-07-15 2026-05-18 ok
desktopteller.ubt.com 5 2026-04-15 2026-09-30 ok
learningcenter.ubt.com 14 2026-04-23 2026-08-20 ok
solutionscenter.ubt.com 5 2026-04-23 2026-08-13 ok
rto-docs.ubt.com 5 2026-05-11 2026-09-09 ok
sccrefunds.ubt.com 3 2025-10-16 2026-10-04 ok
www.sccrefunds.ubt.com 1 2026-10-04 2026-10-04 nxdomain
sites.ubt.com 2 2025-07-15 2026-08-07 ok
wls.ubt.com 3 2026-02-27 2026-08-24 ok
*.apps.ubt.com 2 2025-08-22 2026-07-22 —
oktalogsync.apps.ubt.com 1 2026-02-17 2026-02-17 ok
testoktalogsync.apps.ubt.com 1 2026-02-17 2026-02-17 ok
devoktalogsync.apps.ubt.com 2 2026-02-18 2026-03-24 ok
brightdirectionsrewards.apps.ubt.com 1 2026-02-17 2026-02-17 nxdomain
newbrightdirectionsrewards.apps.ubt.com 1 2026-02-19 2026-02-19 nxdomain
collegecountsrewards.apps.ubt.com 1 2026-02-17 2026-02-17 nxdomain
newcollegecountsrewards.apps.ubt.com 1 2026-02-19 2026-02-19 nxdomain
products.ubt.com 5 2026-05-19 2026-09-12 ok
events.ubt.com 1 2025-12-10 2025-12-10 ok
t-events.ubt.com 1 2025-09-18 2025-09-18 ok
accounts.ubt.com 5 2026-05-16 2026-09-09 ok
sts.ubt.com 3 2025-10-20 2026-09-19 ok
relius.ubt.com 2 2025-07-29 2026-07-21 ok
bonus.ubt.com 5 2026-04-15 2026-09-30 ok
news.ubt.com 2 2025-07-17 2026-08-09 ok
sso-ubtgo-cert.ubt.com 1 2026-01-27 2026-01-27 nxdomain
support.ubt.com 5 2026-04-22 2026-08-12 ok
lockbox-q2-test.ubt.com 1 2025-09-22 2025-09-22 nxdomain
dextest.ubt.com 3 2025-07-21 2026-08-12 ok
myquest.ubt.com 5 2026-04-15 2026-09-30 ok
lockbx2-web-tst.ubt.com 1 2026-07-29 2026-07-29 ok
catalyst.ubt.com 5 2026-04-15 2026-09-30 ok
bankofyou.ubt.com 5 2026-04-15 2026-09-30 ok
blendnav.ubt.com 1 2026-06-23 2026-06-23 ok
t-blendnav.ubt.com 1 2026-02-20 2026-02-20 ok
logindev.ubt.com 1 2026-05-21 2026-05-21 ok
loginpreview.ubt.com 1 2026-05-21 2026-05-21 ok
www.ubt.com 1 2026-05-21 2026-05-21 ok
pa-www.ubt.com 1 2026-05-21 2026-05-21 ok
pl-www.ubt.com 1 2026-05-21 2026-05-21 ok
dex.ubt.com 3 2025-07-23 2026-08-12 ok
lockbox.ubt.com 4 2025-08-06 2026-08-18 ok

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