Find every subdomain
of a domain.

Every hostname under a domain that ever appeared in a public TLS certificate — with certificate counts and first/last seen dates.

18 hosts · 283 ms

HostCertsFirst seenLast seen
gls-netherlands.com 1 2026-04-16 2026-04-16
*.gls-netherlands.com 1 2026-04-16 2026-04-16
*.d01.gls-netherlands.com 1 2026-04-16 2026-04-16
intranet01.d01.gls-netherlands.com 1 2026-04-20 2026-04-20
labellite.gls-netherlands.com 2 2026-03-05 2026-06-29
tracking.gls-netherlands.com 2 2026-03-05 2026-06-29
img.mailing.gls-netherlands.com 16 2026-05-14 2026-09-10
r.mailing.gls-netherlands.com 4 2026-04-17 2026-09-24
api.gls-netherlands.com 3 2026-05-16 2026-09-29
api-portal.gls-netherlands.com 3 2026-05-15 2026-09-30
img.trackingmail.gls-netherlands.com 14 2026-05-14 2026-09-09
r.trackingmail.gls-netherlands.com 4 2026-04-17 2026-09-24
pickreturn.gls-netherlands.com 2 2026-03-05 2026-06-29
intranet.gls-netherlands.com 1 2026-04-20 2026-04-20
ftp-freight.gls-netherlands.com 1 2026-02-09 2026-02-09
services-freight.gls-netherlands.com 1 2026-02-09 2026-02-09
appservices-freight.gls-netherlands.com 1 2026-02-09 2026-02-09
*.test.gls-netherlands.com 1 2026-04-16 2026-04-16

Programmatic access: API GET /v1/hosts/gls-netherlands.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/gls-netherlands.com.