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.

65 hosts · 399 ms

HostCertsFirst seenLast seenDNS
strayer.edu 29 2025-12-04 2026-08-23 ok
*.strayer.edu 66 2025-12-04 2026-10-06 —
prexpeap01.strayer.edu 2 2026-01-15 2026-01-16 nxdomain
prexpeap02.strayer.edu 2 2026-01-15 2026-01-16 nxdomain
data.strayer.edu 2 2025-10-23 2025-10-23 ok
libdatab.strayer.edu 3 2026-02-27 2026-08-31 ok
*.libdatab.strayer.edu 3 2026-02-27 2026-08-31 —
qalibdatab.strayer.edu 2 2026-03-20 2026-10-02 nxdomain
*.qalibdatab.strayer.edu 2 2026-03-20 2026-10-02 —
stglibdatab.strayer.edu 2 2026-03-20 2026-10-02 nxdomain
*.stglibdatab.strayer.edu 2 2026-03-20 2026-10-02 —
devlibdatab.strayer.edu 2 2026-03-20 2026-10-02 nxdomain
*.devlibdatab.strayer.edu 2 2026-03-20 2026-10-02 —
mobilehub.strayer.edu 3 2026-05-14 2026-09-01 ok
qa-events-fac.strayer.edu 14 2026-05-03 2026-09-15 ok
prd-events-fac.strayer.edu 13 2026-05-28 2026-09-13 ok
stg-events-fac.strayer.edu 12 2026-05-29 2026-09-16 ok
dev-events-fac.strayer.edu 17 2026-04-12 2026-09-19 ok
dmc.strayer.edu 6 2026-04-12 2026-10-04 ok
conference-2-StandAloneClusterfe1fd.strayer.edu 8 2026-01-15 2026-01-16 —
conference-3-StandAloneClusterfe1fd.strayer.edu 8 2026-01-15 2026-01-16 —
icampusd.strayer.edu 3 2026-03-03 2026-09-02 ok
articulate.strayer.edu 1 2026-09-11 2026-09-11 ok
mobile-stg-waf.strayer.edu 3 2026-05-21 2026-09-07 ok
elqtracking.strayer.edu 3 2026-06-11 2026-08-20 ok
irving.strayer.edu 3 2026-05-27 2026-09-09 ok
stgirving.strayer.edu 3 2026-05-12 2026-08-27 ok
coursecatalog.strayer.edu 3 2026-06-30 2026-08-29 ok
wifi.strayer.edu 1 2026-02-24 2026-02-24 nxdomain
alumni.strayer.edu 3 2026-05-18 2026-08-10 ok
mobileapi.strayer.edu 3 2026-04-24 2026-09-24 ok
application.strayer.edu 18 2026-04-25 2026-10-04 ok
*.application.strayer.edu 18 2026-04-25 2026-10-04 —
shop.strayer.edu 13 2026-05-15 2026-09-26 ok
studentguides-app.strayer.edu 3 2026-05-06 2026-08-21 ok
careercenter.strayer.edu 5 2026-05-01 2026-09-25 ok
canvas.strayer.edu 5 2026-04-30 2026-08-28 ok
qacanvas.strayer.edu 5 2026-04-30 2026-08-28 ok
stagecanvas.strayer.edu 5 2026-04-30 2026-08-28 ok
devcanvas.strayer.edu 5 2026-04-30 2026-08-28 ok
analytics.strayer.edu 3 2026-06-01 2026-09-22 ok
jwmianalytics.strayer.edu 3 2026-05-08 2026-08-21 ok
www.jwmianalytics.strayer.edu 5 2026-05-24 2026-09-14 ok
es.strayer.edu 9 2026-04-19 2026-09-15 ok
studentguides.strayer.edu 3 2026-05-17 2026-09-03 ok
cloud.students.strayer.edu 1 2026-06-15 2026-06-15 ok
image.students.strayer.edu 41 2026-06-16 2026-08-31 ok
click.students.strayer.edu 1 2026-06-15 2026-06-15 ok
view.students.strayer.edu 1 2026-06-15 2026-06-15 ok
icampus.strayer.edu 3 2026-03-03 2026-09-02 ok
qaicampus.strayer.edu 3 2026-03-03 2026-09-02 ok
raicampus.strayer.edu 3 2026-03-03 2026-09-02 nxdomain
stgicampus.strayer.edu 3 2026-03-03 2026-09-02 ok
devicampus.strayer.edu 3 2026-03-03 2026-09-02 ok
status.strayer.edu 6 2026-04-28 2026-08-25 ok
test.strayer.edu 2 2026-04-17 2026-10-02 ok
articulate-test.strayer.edu 1 2026-09-11 2026-09-11 ok
adapt-test.strayer.edu 2 2025-10-05 2026-09-04 ok
qaapply.strayer.edu 1 2026-09-28 2026-09-28 ok
library.strayer.edu 4 2026-04-16 2026-08-15 ok
ask.library.strayer.edu 4 2026-04-15 2026-08-13 ok
community.strayer.edu 8 2026-05-07 2026-09-02 ok
qacommunity.strayer.edu 6 2026-05-06 2026-09-01 ok
stgcommunity.strayer.edu 8 2026-05-08 2026-09-03 ok
www.buzz.strayer.edu 6 2026-05-18 2026-09-13 ok

Programmatic access, with DNS A records: API GET /v1/hosts/strayer.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/strayer.edu.