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.

100 hosts (first page) · 700 ms

HostCertsFirst seenLast seenDNS
usf.edu 2 2026-05-26 2026-06-02 ok
idmportal.devforest2.usf.edu 1 2025-08-08 2025-08-08 ok
mimportal.devforest2.usf.edu 1 2025-08-08 2025-08-08 ok
usfweb.taa.usf.edu 2 2025-08-25 2026-08-31 ok
usfwebdev.taa.usf.edu 2 2025-06-10 2026-07-07 ok
mba.usf.edu 1 2025-10-28 2025-10-28 ok
cybersecureflorida.usf.edu 1 2026-01-06 2026-01-06 ok
muma.usf.edu 12 2026-04-30 2026-08-27 ok
fusion-cr-tpa.usf.edu 1 2025-07-02 2025-07-02 nxdomain
fcra.usf.edu 1 2025-06-11 2025-06-11 ok
ira.usf.edu 2 2026-03-23 2026-10-03 ok
www.ira.usf.edu 2 2026-03-23 2026-10-03 ok
ioiusa.usf.edu 1 2026-05-22 2026-05-22 ok
digitalcommonsdata.usf.edu 16 2026-04-18 2026-08-15 ok
llmlab.usf.edu 3 2025-09-03 2026-09-24 ok
avc.web.usf.edu 1 2026-01-13 2026-01-13 ok
avc-demo.web.usf.edu 2 2025-09-30 2026-07-14 ok
chat.avc-demo.web.usf.edu 1 2026-07-14 2026-07-14 ok
git.avc-demo.web.usf.edu 1 2026-07-14 2026-07-14 ok
usfweb.usf.edu 2 2025-06-26 2026-07-20 ok
lib.usf.edu 1 2026-06-09 2026-06-09 ok
aae.lib.usf.edu 1 2026-08-24 2026-08-24 ok
genocide.lib.usf.edu 1 2026-09-21 2026-09-21 ok
pure.lib.usf.edu 14 2026-06-06 2026-10-02 ok
staging.lib.usf.edu 1 2026-03-04 2026-03-04 ok
video.lib.usf.edu 11 2026-05-31 2026-09-27 ok
calendar.lib.usf.edu 4 2026-04-11 2026-08-09 ok
guides.lib.usf.edu 5 2026-04-29 2026-08-28 ok
archives.lib.usf.edu 3 2026-06-09 2026-08-10 ok
dis.lib.usf.edu 2 2025-08-11 2026-09-29 ok
ebplus.lib.usf.edu 3 2025-08-14 2026-09-14 ok
dev.lib.usf.edu 1 2025-10-22 2025-10-22 ok
disdev.lib.usf.edu 1 2025-09-09 2025-09-09 ok
macaw.lib.usf.edu 1 2026-06-22 2026-06-22 ok
www.lib.usf.edu 1 2026-06-09 2026-06-09 ok
*.ezproxy.lib.usf.edu 1 2026-04-15 2026-04-15 —
itkb.usf.edu 1 2026-04-21 2026-04-21 ok
oasisbac.usf.edu 2 2026-03-23 2026-09-23 ok
genetec.usf.edu 3 2025-12-12 2026-04-01 ok
rc.usf.edu 1 2025-10-08 2025-10-08 ok
*.rc.usf.edu 2 2025-06-16 2026-06-25 —
ood.rc.usf.edu 1 2025-10-28 2025-10-28 ok
apollo-ood.rc.usf.edu 2 2026-08-28 2026-08-28 ok
redcap.rc.usf.edu 1 2026-04-28 2026-04-28 nxdomain
tud-redcap.rc.usf.edu 3 2026-04-28 2026-08-10 ok
tup-rcredcap.rc.usf.edu 1 2026-09-10 2026-09-10 ok
microscopy-viewer.rc.usf.edu 2 2026-01-13 2026-01-13 ok
k8s.rc.usf.edu 2 2026-10-05 2026-10-05 nxdomain
*.k8s.rc.usf.edu 2 2026-10-05 2026-10-05 —
caveminerals.rc.usf.edu 2 2026-09-21 2026-09-21 ok
redcaptest.rc.usf.edu 2 2026-08-10 2026-08-10 ok
hscweb3.hsc.usf.edu 2 2025-08-08 2026-09-02 ok
gpsc.usf.edu 1 2025-09-25 2025-09-25 nodata
www.gpsc.usf.edu 1 2025-09-30 2025-09-30 ok
etc.usf.edu 5 2026-05-22 2026-09-20 ok
grad.usf.edu 1 2025-10-09 2025-10-09 ok
www.grad.usf.edu 1 2025-10-09 2025-10-09 ok
netid.usf.edu 1 2025-12-03 2025-12-03 ok
bebold.usf.edu 1 2026-05-21 2026-05-21 ok
brand.usf.edu 2 2026-04-07 2026-09-07 ok
cloud.usf.edu 1 2025-12-03 2025-12-03 ok
azure-dr-testssl-2.mscloud.usf.edu 40 2026-08-24 2026-09-17 ok
fastqa.mscloud.usf.edu 1 2025-12-12 2025-12-12 ok
ti-wc.mscloud.usf.edu 1 2026-02-09 2026-02-09 ok
phire.mscloud.usf.edu 1 2025-12-12 2025-12-12 nxdomain
api.mscloud.usf.edu 3 2026-04-01 2026-09-23 ok
apiportal.mscloud.usf.edu 3 2026-04-01 2026-09-23 ok
apiuatportal.mscloud.usf.edu 3 2026-04-01 2026-09-23 ok
apitestportal.mscloud.usf.edu 3 2026-04-01 2026-09-23 ok
apidevportal.mscloud.usf.edu 3 2026-04-01 2026-09-23 ok
azure-dr-testssl-2-san.mscloud.usf.edu 3 2026-08-24 2026-08-24 nxdomain
azure-dr-testssl-san.mscloud.usf.edu 37 2026-08-24 2026-09-17 ok
bannertestcon.mscloud.usf.edu 1 2025-12-19 2025-12-19 ok
gemspro.mscloud.usf.edu 2 2026-03-24 2026-09-25 nxdomain
fastdvlp.mscloud.usf.edu 5 2026-03-18 2026-09-16 ok
aup-cbcswinsftp.mscloud.usf.edu 1 2026-07-10 2026-07-10 ok
msgdirector.mscloud.usf.edu 1 2026-02-10 2026-02-10 ok
apiuat.mscloud.usf.edu 3 2026-04-01 2026-09-23 ok
apimgmt.mscloud.usf.edu 3 2026-04-01 2026-09-23 ok
apiuatmgmt.mscloud.usf.edu 3 2026-04-01 2026-09-23 ok
apitestmgmt.mscloud.usf.edu 3 2026-04-01 2026-09-23 ok
apidevmgmt.mscloud.usf.edu 3 2026-04-01 2026-09-23 ok
ti-wc-test.mscloud.usf.edu 1 2026-02-09 2026-02-09 nxdomain
apitest.mscloud.usf.edu 3 2026-04-01 2026-09-23 ok
sunapsistest.mscloud.usf.edu 1 2025-10-01 2025-10-01 nxdomain
fasttest.mscloud.usf.edu 1 2025-11-17 2025-11-17 ok
unfdgwtest.mscloud.usf.edu 1 2026-06-02 2026-06-02 ok
apidev.mscloud.usf.edu 3 2026-04-01 2026-09-23 ok
mediaspace.usf.edu 11 2026-05-31 2026-09-27 ok
cloud.advance.usf.edu 3 2025-09-28 2026-09-15 ok
image.advance.usf.edu 3 2025-12-10 2026-01-21 ok
click.advance.usf.edu 3 2025-10-03 2026-09-20 ok
view.advance.usf.edu 3 2025-09-28 2026-09-15 ok
confluence.usf.edu 1 2025-12-15 2025-12-15 ok
sarasotamanatee.usf.edu 4 2025-07-21 2026-08-17 ok
test.sarasotamanatee.usf.edu 4 2025-07-21 2026-08-17 ok
dev.sarasotamanatee.usf.edu 4 2025-07-21 2026-08-17 ok
www.sarasotamanatee.usf.edu 4 2025-07-21 2026-08-17 ok
climatechange.usf.edu 2 2026-04-01 2026-09-30 ok
profile.usf.edu 1 2025-12-15 2025-12-15 ok

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/usf.edu.

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/usf.edu.