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.

29 hosts · 434 ms

HostCertsFirst seenLast seenDNS
11880.com 19 2025-07-29 2026-09-02 ok
*.11880.com 19 2025-07-29 2026-09-02 —
esn-svm120.11880.com 1 2026-06-01 2026-06-01 nxdomain
www.esn-svm120.11880.com 1 2026-06-01 2026-06-01 nxdomain
tel-sap01.11880.com 1 2026-06-10 2026-06-10 ok
www.tel-sap01.11880.com 1 2026-06-10 2026-06-10 nxdomain
tel-sap02.11880.com 3 2026-06-09 2026-06-30 ok
www.tel-sap02.11880.com 3 2026-06-09 2026-06-30 nxdomain
auth-bob.11880.com 4 2026-06-06 2026-10-04 ok
sbc.11880.com 3 2026-04-07 2026-09-21 ok
www.sbc.11880.com 3 2026-04-07 2026-09-21 nxdomain
hybrid.11880.com 1 2025-11-17 2025-11-17 ok
nps-90tage.11880.com 3 2026-07-06 2026-09-03 ok
karriere.11880.com 5 2026-04-27 2026-08-11 ok
cdn-staging.11880.com 2 2025-07-24 2026-06-24 ok
web-widget-staging.11880.com 1 2025-12-22 2025-12-22 ok
nps-befragung.11880.com 3 2026-07-03 2026-09-01 ok
bimi.11880.com 4 2026-07-14 2026-09-11 ok
eintrag-api.11880.com 2 2025-07-21 2025-11-19 ok
cdn.11880.com 2 2025-07-27 2026-06-27 ok
unternehmen.11880.com 5 2026-04-27 2026-08-11 ok
shop.11880.com 3 2026-05-18 2026-08-09 ok
autodiscover.11880.com 1 2025-11-17 2025-11-17 ok
ir.11880.com 5 2026-04-27 2026-08-11 ok
jobs.11880.com 4 2026-04-10 2026-08-08 ok
fems.11880.com 2 2026-07-16 2026-07-16 ok
kundennews.11880.com 3 2026-05-19 2026-08-03 ok
pdt.11880.com 10 2026-04-26 2026-09-23 ok
web-widget.11880.com 2 2026-04-13 2026-09-13 ok

Programmatic access, with DNS A records: API GET /v1/hosts/11880.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/11880.com.