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.

25 hosts · 559 ms

HostCertsFirst seenLast seenDNS
johnnypuetz.com 4 2026-04-14 2026-08-31 ok
ducati-multistrada-1.johnnypuetz.com 4 2026-05-09 2026-09-25 ok
www.ducati-multistrada-1.johnnypuetz.com 4 2026-05-09 2026-09-25 ok
pa1608754860197.johnnypuetz.com 2 2026-06-18 2026-08-26 ok
www.pa1608754860197.johnnypuetz.com 2 2026-06-18 2026-08-26 ok
bmw-m8.johnnypuetz.com 5 2026-05-08 2026-09-24 ok
www.bmw-m8.johnnypuetz.com 5 2026-05-08 2026-09-24 ok
watchonista.johnnypuetz.com 5 2026-05-08 2026-09-24 ok
www.watchonista.johnnypuetz.com 5 2026-05-08 2026-09-24 ok
porsche-911-sc.johnnypuetz.com 5 2026-05-10 2026-09-26 ok
www.porsche-911-sc.johnnypuetz.com 5 2026-05-10 2026-09-26 ok
twisted-road.johnnypuetz.com 4 2026-06-08 2026-08-16 ok
www.twisted-road.johnnypuetz.com 4 2026-06-08 2026-08-16 ok
uveye.johnnypuetz.com 4 2026-06-19 2026-08-27 ok
www.uveye.johnnypuetz.com 4 2026-06-19 2026-08-27 ok
swag.johnnypuetz.com 2 2026-06-01 2026-08-09 ok
www.swag.johnnypuetz.com 2 2026-06-01 2026-08-09 ok
bimi.johnnypuetz.com 8 2026-05-10 2026-09-05 ok
leeloo.johnnypuetz.com 3 2026-06-17 2026-08-26 ok
www.leeloo.johnnypuetz.com 3 2026-06-17 2026-08-26 ok
bmw-2-series.johnnypuetz.com 3 2026-06-02 2026-08-11 ok
www.bmw-2-series.johnnypuetz.com 3 2026-06-02 2026-08-11 ok
indian-motorcycles.johnnypuetz.com 2 2026-06-14 2026-08-23 ok
www.indian-motorcycles.johnnypuetz.com 2 2026-06-14 2026-08-23 ok
www.johnnypuetz.com 4 2026-04-14 2026-08-31 ok

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