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.

16 hosts · 279 ms

HostCertsFirst seenLast seenDNS
erstebankpolska.pl 3 2026-04-10 2026-10-02 ok
ibkb.erstebankpolska.pl 2 2026-08-17 2026-08-17 ok
www.ibkb.erstebankpolska.pl 2 2026-08-17 2026-08-17 nxdomain
payinstant-kir-prod.erstebankpolska.pl 1 2026-06-08 2026-06-08 nodata
raportykm.erstebankpolska.pl 3 2026-03-13 2026-09-23 ok
www.raportykm.erstebankpolska.pl 3 2026-03-13 2026-09-23 nxdomain
login.erstebankpolska.pl 4 2026-03-18 2026-09-28 ok
expresselixir.erstebankpolska.pl 1 2026-09-09 2026-09-09 nodata
testexpresselixir.erstebankpolska.pl 1 2026-09-09 2026-09-09 nodata
rps.erstebankpolska.pl 3 2026-04-09 2026-09-28 ok
www.rps.erstebankpolska.pl 3 2026-04-09 2026-09-28 nxdomain
login.test.erstebankpolska.pl 1 2026-02-19 2026-02-19 ok
www.erstebankpolska.pl 3 2026-04-10 2026-10-02 ok
spay.erstebankpolska.pl 1 2026-03-10 2026-03-10 ok
swiz.erstebankpolska.pl 1 2026-03-09 2026-03-09 ok
www.swiz.erstebankpolska.pl 1 2026-03-09 2026-03-09 nxdomain

Programmatic access, with DNS A records: API GET /v1/hosts/erstebankpolska.pl (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/erstebankpolska.pl.