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.

75 hosts · 199 ms

HostCertsFirst seenLast seen
plymouth.edu 2 2026-05-04 2026-05-07
*.plymouth.edu 2 2025-12-16 2026-05-07
pxp-esm-01.plymouth.edu 4 2026-01-06 2026-01-20
pwp-ixm-01.plymouth.edu 1 2026-03-09 2026-03-09
pwp-solarwap-01.plymouth.edu 2 2025-09-08 2025-10-09
pwt-pcutapp-01.plymouth.edu 1 2025-10-29 2025-10-29
pxp-met-01.plymouth.edu 1 2026-05-14 2026-05-14
pxp-git-01.plymouth.edu 1 2026-01-09 2026-01-09
pwp-idprint-01.plymouth.edu 1 2026-03-09 2026-03-09
pwt-pcutprnt-01.plymouth.edu 1 2025-10-29 2025-10-29
cppm01.plymouth.edu 6 2026-01-05 2026-03-13
srvlp-dpt-cs01.plymouth.edu 1 2026-01-22 2026-01-22
clearpass01.plymouth.edu 6 2026-01-05 2026-03-13
pxp-met-02.plymouth.edu 2 2025-09-05 2026-08-07
cppm02.plymouth.edu 6 2026-01-05 2026-03-13
clearpass02.plymouth.edu 6 2026-01-05 2026-03-13
pa03.plymouth.edu 2 2025-09-25 2026-07-06
cppm03.plymouth.edu 6 2026-01-05 2026-03-13
clearpass03.plymouth.edu 6 2026-01-05 2026-03-13
pa04.plymouth.edu 2 2025-09-25 2026-07-06
kaf-prod.plymouth.edu 11 2026-05-31 2026-09-27
mediaspace.plymouth.edu 9 2026-06-01 2026-09-27
experience.plymouth.edu 5 2026-04-26 2026-08-26
ganymede.plymouth.edu 2 2025-07-09 2026-07-15
magazine.plymouth.edu 15 2026-05-10 2026-09-23
explore.plymouth.edu 2 2026-02-16 2026-08-05
give.plymouth.edu 2 2026-03-30 2026-06-24
turing.plymouth.edu 1 2026-01-22 2026-01-22
plannedgiving.plymouth.edu 5 2026-06-10 2026-10-08
coursecatalog.plymouth.edu 1 2026-02-09 2026-02-09
nextcatalog.plymouth.edu 1 2026-02-09 2026-02-09
wifi.plymouth.edu 2 2026-01-20 2026-07-06
mta-sts.alumni.plymouth.edu 4 2026-06-07 2026-10-05
digital.plymouth.edu 10 2026-05-27 2026-09-23
mta-sts.mail.plymouth.edu 4 2026-06-07 2026-10-05
hih-ess-cm.plymouth.edu 1 2025-11-24 2025-11-24
esna.tcom.plymouth.edu 1 2026-03-09 2026-03-09
titanium.plymouth.edu 2 2025-07-30 2026-07-15
orientation.plymouth.edu 5 2026-04-29 2026-08-19
triton.plymouth.edu 1 2025-10-07 2025-10-07
psu-portal1.gpvpn.plymouth.edu 4 2025-09-25 2026-07-06
psu-gw1.gpvpn.plymouth.edu 4 2025-09-25 2026-07-06
psu-portal2.gpvpn.plymouth.edu 4 2025-09-25 2026-07-06
psu-gw2.gpvpn.plymouth.edu 4 2025-09-25 2026-07-06
psu-gw1-internal.gpvpn.plymouth.edu 4 2025-09-25 2026-07-06
psu-gw2-internal.gpvpn.plymouth.edu 4 2025-09-25 2026-07-06
go.plymouth.edu 2 2026-04-20 2026-10-07
register.plymouth.edu 2 2026-01-20 2026-07-06
author.plymouth.edu 1 2026-09-24 2026-09-24
athletics.plymouth.edu 24 2026-04-12 2026-10-07
static.athletics.plymouth.edu 5 2026-05-29 2026-09-26
image.messages.plymouth.edu 1 2026-01-22 2026-01-22
mycourses.plymouth.edu 5 2026-04-28 2026-08-26
panthers.plymouth.edu 5 2026-05-19 2026-09-15
libanswers.plymouth.edu 4 2026-04-15 2026-08-13
mta-sts.plymouth.edu 4 2026-06-07 2026-10-05
campus.plymouth.edu 1 2025-12-29 2025-12-29
summit.plymouth.edu 5 2026-04-28 2026-08-26
papercut-student.plymouth.edu 4 2026-05-20 2026-09-22
papercut-account.plymouth.edu 3 2026-05-20 2026-09-22
gotest.plymouth.edu 2 2026-04-20 2026-10-07
psu-cptest.plymouth.edu 6 2026-01-05 2026-03-13
vortextest.plymouth.edu 3 2026-02-26 2026-08-15
papercut.plymouth.edu 5 2026-05-20 2026-09-22
webcheckout.plymouth.edu 1 2026-01-09 2026-01-09
*.dev.plymouth.edu 1 2025-12-02 2025-12-02
vortex.plymouth.edu 1 2025-12-08 2025-12-08
workday.plymouth.edu 1 2025-11-17 2025-11-17
odyssey.plymouth.edu 1 2026-05-27 2026-05-27
survey.plymouth.edu 1 2025-12-17 2025-12-17
www.survey.plymouth.edu 1 2025-12-17 2025-12-17
library.plymouth.edu 5 2026-05-01 2026-08-29
sorry.plymouth.edu 2 2026-03-19 2026-09-07
libproxy.plymouth.edu 2 2025-08-04 2026-08-04
*.libproxy.plymouth.edu 2 2025-08-04 2026-08-04

Programmatic access: API GET /v1/hosts/plymouth.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/plymouth.edu.