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.

100 hosts (first page) · 212 ms

HostCertsFirst seenLast seen
api-tt-110.ubstest.com 1 2025-10-13 2025-10-13
api-tt-220.ubstest.com 1 2026-04-14 2026-04-14
www-rde1.ubstest.com 1 2025-12-10 2025-12-10
ebankingcanada-te1.ubstest.com 2 2026-07-08 2026-07-08
ilm-asqm-web-te1.ubstest.com 6 2025-09-12 2026-01-30
ilm-vines-web-te1.ubstest.com 7 2025-08-11 2026-08-03
ilm-asqm-lpb-te1.ubstest.com 5 2025-11-19 2026-01-29
ubsmandatehub-te1.ubstest.com 1 2026-05-05 2026-05-05
wtdout-mc-te1.ubstest.com 4 2026-04-16 2026-05-12
iaaas-wmpc-te1.ubstest.com 2 2025-12-03 2025-12-03
isc-te1.ubstest.com 4 2025-09-29 2026-09-02
censhare-te1.ubstest.com 1 2026-05-05 2026-05-05
estore-te1.ubstest.com 5 2026-05-12 2026-09-09
dci-te1.ubstest.com 4 2025-11-25 2025-12-12
whereami-te1.ubstest.com 5 2026-03-30 2026-06-05
ilm-key4-api-te1.ubstest.com 4 2025-12-04 2026-04-27
ilm-fire-api-te1.ubstest.com 6 2026-03-24 2026-09-16
ilm-asqm-api-te1.ubstest.com 7 2025-09-12 2026-01-19
ilm-vines-api-te1.ubstest.com 6 2025-08-11 2026-08-03
ilm-reident-api-te1.ubstest.com 2 2026-09-23 2026-09-23
*.onesourcesso-te1.ubstest.com 2 2026-07-10 2026-08-03
csp-te1.ubstest.com 2 2025-11-04 2025-11-04
onboarding-br-te1.ubstest.com 2 2025-10-31 2025-10-31
digital-br-te1.ubstest.com 2 2025-10-28 2025-10-28
scan2dmr-te1.ubstest.com 2 2025-12-02 2025-12-04
product-docs-te1.ubstest.com 2 2025-12-04 2025-12-04
censhare-rmis-te1.ubstest.com 1 2026-05-05 2026-05-05
portfoliomanagers-te1.ubstest.com 4 2025-10-07 2026-09-21
censhare-mch-preview-te1.ubstest.com 1 2026-05-05 2026-05-05
api-122.te1.ubstest.com 1 2026-07-15 2026-07-15
keylink-demo1.ubstest.com 2 2026-07-15 2026-07-15
api-tt-112.ubstest.com 1 2025-10-21 2025-10-21
streaming-qa2.ubstest.com 1 2025-11-13 2025-11-13
api-qa2.ubstest.com 1 2025-11-13 2025-11-13
neo-qa2.ubstest.com 1 2025-10-29 2025-10-29
ols-qa2.ubstest.com 1 2026-01-22 2026-01-22
ebankingcanada-te2.ubstest.com 6 2025-08-13 2026-02-10
ilm-vines-web-te2.ubstest.com 4 2025-10-21 2025-10-21
ubsmandatehub-te2.ubstest.com 1 2026-05-05 2026-05-05
b2cout-mc-te2.ubstest.com 5 2026-01-13 2026-08-14
wtdout-mc-te2.ubstest.com 3 2026-04-16 2026-05-06
iaaas-wmpc-te2.ubstest.com 2 2026-06-16 2026-06-16
isc-te2.ubstest.com 4 2025-10-29 2025-11-28
censhare-te2.ubstest.com 1 2026-05-05 2026-05-05
estore-te2.ubstest.com 4 2026-04-14 2026-08-12
whereami-te2.ubstest.com 13 2025-07-15 2026-08-28
ilm-key4-api-te2.ubstest.com 2 2026-05-13 2026-05-13
ilm-vines-api-te2.ubstest.com 2 2025-10-21 2025-10-21
csp-te2.ubstest.com 8 2026-03-13 2026-09-10
eus2-csp-te2.ubstest.com 2 2026-09-10 2026-09-10
cus-csp-te2.ubstest.com 2 2026-09-10 2026-09-10
eus-csp-te2.ubstest.com 2 2026-09-10 2026-09-10
onboarding-br-te2.ubstest.com 4 2025-12-12 2026-01-12
digital-br-te2.ubstest.com 4 2025-11-28 2026-01-12
scan2dmr-te2.ubstest.com 3 2025-12-02 2025-12-19
censhare-rmis-te2.ubstest.com 1 2026-05-05 2026-05-05
portfoliomanagers-te2.ubstest.com 4 2025-11-28 2026-01-12
censhare-mch-preview-te2.ubstest.com 1 2026-05-05 2026-05-05
api-110.te2.ubstest.com 1 2026-01-30 2026-01-30
api-140.te2.ubstest.com 1 2026-05-26 2026-05-26
api-150.te2.ubstest.com 2 2026-09-15 2026-09-15
api-112.te2.ubstest.com 1 2026-04-18 2026-04-18
api-122.te2.ubstest.com 2 2025-08-06 2026-07-15
api-132.te2.ubstest.com 1 2026-05-26 2026-05-26
api-142.te2.ubstest.com 1 2026-05-26 2026-05-26
api-134.te2.ubstest.com 2 2026-05-26 2026-05-27
api-116.te2.ubstest.com 2 2026-01-30 2026-01-30
api-126.te2.ubstest.com 1 2026-01-13 2026-01-13
api-136.te2.ubstest.com 1 2026-05-26 2026-05-26
api-118.te2.ubstest.com 1 2026-01-30 2026-01-30
api-128.te2.ubstest.com 2 2026-09-16 2026-09-16
api-138.te2.ubstest.com 1 2026-05-26 2026-05-26
api-148.te2.ubstest.com 1 2026-09-02 2026-09-02
keylink-demo2.ubstest.com 2 2026-07-15 2026-07-15
epa-qa3.ubstest.com 1 2025-10-06 2025-10-06
epasdtqa3.ubstest.com 3 2025-08-26 2026-09-08
api-tt-116.ubstest.com 1 2026-02-23 2026-02-23
api-tt-216.ubstest.com 1 2026-02-19 2026-02-19
api-tt-118.ubstest.com 1 2026-02-23 2026-02-23
api-tt-218.ubstest.com 1 2026-02-23 2026-02-23
api-148.ubstest.com 2 2026-08-19 2026-08-19
epasdtuat1-rhel8.ubstest.com 1 2025-12-02 2025-12-02
epasdtqa2-rhel8.ubstest.com 1 2025-12-02 2025-12-02
epa-qa3-rhel8.ubstest.com 1 2026-04-01 2026-04-01
ols-onesourcesso-qa3-rhel8.ubstest.com 1 2025-12-02 2025-12-02
luma-qa-rhel8.ubstest.com 1 2025-12-01 2025-12-01
coewebservqa-rhel8.ubstest.com 1 2025-11-13 2025-11-13
cefsintwa-rhel8.ubstest.com 2 2026-01-07 2026-04-01
coewebservqaj-rhel8.ubstest.com 1 2026-02-23 2026-02-23
iCapital-UAT.ubstest.com 4 2025-08-20 2025-12-08
luma-qa.ubstest.com 1 2026-05-18 2026-05-18
epa-qa.ubstest.com 1 2025-11-14 2025-11-14
coewebservqa.ubstest.com 3 2026-06-03 2026-06-05
workspace-ldn1.ra.ubstest.com 1 2026-07-09 2026-07-09
workspace.ra.ubstest.com 2 2025-07-18 2026-07-09
workspace-ldn.ra.ubstest.com 2 2025-07-18 2026-07-09
orcvisa.ubstest.com 2 2026-08-11 2026-08-11
idp-global-te1.nexa.ubstest.com 2 2026-09-03 2026-09-03
enguat-idp-red.nexa.ubstest.com 3 2026-03-10 2026-09-16
manuat-idp-red.nexa.ubstest.com 4 2026-06-03 2026-06-03

Showing the first 100 hostnames — sign in with GitHub or Google to page the full list, or use the API with an API key: GET /v1/hosts/ubstest.com.

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/ubstest.com.