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.

44 hosts · 328 ms

HostCertsFirst seenLast seenDNS
vivrestays.com 21 2026-04-26 2026-09-30 ok
*.vivrestays.com 16 2026-05-12 2026-09-30 —
test2.vivrestays.com 3 2026-07-29 2026-09-27 ok
demodb.vivrestays.com 10 2026-04-23 2026-08-22 ok
old.vivrestays.com 5 2026-06-01 2026-09-29 ok
portainerprod.vivrestays.com 5 2026-06-01 2026-09-29 ok
nginxprod.vivrestays.com 5 2026-06-01 2026-09-29 ok
auth.vivrestays.com 5 2026-04-23 2026-08-21 ok
test2auth.vivrestays.com 3 2026-07-29 2026-09-27 ok
testauth.vivrestays.com 4 2026-06-09 2026-10-07 ok
api.vivrestays.com 5 2026-04-26 2026-08-24 ok
test2api.vivrestays.com 3 2026-07-29 2026-09-27 ok
crmapi.vivrestays.com 5 2026-04-26 2026-08-24 ok
test2crmapi.vivrestays.com 3 2026-07-29 2026-09-27 ok
democrmapi.vivrestays.com 5 2026-04-24 2026-08-22 ok
testcrmapi.vivrestays.com 4 2026-06-08 2026-10-06 ok
demoapi.vivrestays.com 5 2026-04-24 2026-08-22 ok
ownerapi.vivrestays.com 5 2026-04-26 2026-08-24 ok
test2ownerapi.vivrestays.com 3 2026-07-29 2026-09-27 ok
demoownerapi.vivrestays.com 5 2026-04-24 2026-08-22 ok
testownerapi.vivrestays.com 8 2026-06-08 2026-10-06 ok
testapi.vivrestays.com 4 2026-06-08 2026-10-06 ok
crm.vivrestays.com 5 2026-04-26 2026-08-24 ok
test2crm.vivrestays.com 3 2026-07-29 2026-09-27 ok
democrm.vivrestays.com 10 2026-04-24 2026-09-06 ok
testcrm.vivrestays.com 4 2026-06-08 2026-10-06 ok
demo.vivrestays.com 15 2026-04-23 2026-08-22 ok
app.vivrestays.com 5 2026-05-19 2026-09-16 ok
test2app.vivrestays.com 3 2026-07-29 2026-09-27 ok
demoapp.vivrestays.com 3 2026-07-30 2026-09-28 ok
testapp.vivrestays.com 5 2026-05-18 2026-09-15 ok
owner.vivrestays.com 5 2026-04-26 2026-08-24 ok
test2owner.vivrestays.com 3 2026-07-29 2026-09-27 ok
demoowner.vivrestays.com 5 2026-04-24 2026-08-22 ok
testowner.vivrestays.com 4 2026-06-08 2026-10-06 ok
scraper.vivrestays.com 5 2026-05-22 2026-09-19 ok
test.vivrestays.com 5 2026-05-06 2026-09-03 ok
portainertest.vivrestays.com 5 2026-06-01 2026-09-29 ok
nginxtest.vivrestays.com 7 2026-06-01 2026-09-29 ok
www.vivrestays.com 5 2026-04-26 2026-08-24 ok
property.vivrestays.com 5 2026-04-26 2026-08-24 ok
test2property.vivrestays.com 3 2026-07-29 2026-09-27 ok
demoproperty.vivrestays.com 5 2026-04-24 2026-08-22 ok
testproperty.vivrestays.com 4 2026-06-08 2026-10-06 ok

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