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.

43 hosts · 343 ms

HostCertsFirst seenLast seenDNS
prettylitter.com 5 2025-08-05 2026-08-13 ok
*.prettylitter.com 1 2026-01-20 2026-01-20 —
blog.n3.prettylitter.com 4 2026-04-14 2026-08-12 ok
dev.blog.n3.prettylitter.com 4 2026-04-14 2026-08-12 ok
myaccount.n3.prettylitter.com 5 2026-04-27 2026-08-25 ok
trk-ca.prettylitter.com 2 2025-06-16 2026-05-17 ok
aoa.prettylitter.com 5 2026-05-27 2026-09-24 ok
dev.aoa.prettylitter.com 5 2026-05-15 2026-09-12 ok
share.prettylitter.com 3 2026-04-29 2026-09-29 ok
*.share.prettylitter.com 3 2026-04-29 2026-09-29 —
blog.prettylitter.com 4 2026-04-14 2026-08-12 ok
dev.blog.prettylitter.com 4 2026-04-14 2026-08-12 ok
digioh.prettylitter.com 9 2026-05-28 2026-09-23 ok
api.prettylitter.com 5 2026-05-27 2026-09-24 ok
dev.api.prettylitter.com 5 2026-04-27 2026-08-25 ok
fapi.prettylitter.com 10 2026-05-19 2026-09-15 ok
trk.prettylitter.com 2 2025-06-14 2026-05-15 ok
gtm.prettylitter.com 3 2026-05-03 2026-08-22 ok
go.prettylitter.com 3 2026-06-02 2026-08-10 ok
lp.prettylitter.com 5 2026-05-09 2026-09-06 ok
es.lp.prettylitter.com 4 2026-04-15 2026-08-13 ok
dev.es.lp.prettylitter.com 4 2026-04-15 2026-08-13 ok
test.lp.prettylitter.com 5 2026-05-31 2026-09-28 ok
dev.lp.prettylitter.com 5 2026-05-27 2026-09-24 ok
help.prettylitter.com 5 2026-04-23 2026-08-21 ok
refer.prettylitter.com 2 2025-08-04 2026-07-05 ok
es.prettylitter.com 5 2026-05-20 2026-09-17 ok
dev.es.prettylitter.com 5 2026-05-16 2026-09-13 ok
account.prettylitter.com 14 2026-05-20 2026-09-28 ok
myaccount.prettylitter.com 5 2026-04-27 2026-08-25 ok
es.myaccount.prettylitter.com 4 2026-04-12 2026-08-10 ok
dev.es.myaccount.prettylitter.com 5 2026-05-18 2026-09-15 ok
test.myaccount.prettylitter.com 5 2026-05-06 2026-09-03 ok
dev.myaccount.prettylitter.com 5 2026-05-09 2026-09-06 ok
cart.prettylitter.com 5 2026-04-23 2026-08-21 ok
dev.cart.prettylitter.com 5 2026-05-08 2026-09-05 ok
test.prettylitter.com 4 2026-06-05 2026-10-02 ok
dev.prettylitter.com 5 2026-05-17 2026-09-14 ok
www.prettylitter.com 4 2026-04-15 2026-08-13 ok
trk-mx.prettylitter.com 2 2025-06-16 2026-05-17 ok
try.prettylitter.com 5 2026-05-09 2026-09-06 ok
es.try.prettylitter.com 4 2026-04-15 2026-08-13 ok
tw.try.prettylitter.com 5 2026-05-09 2026-09-06 ok

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