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.

18 hosts · 262 ms

HostCertsFirst seenLast seenDNS
bdfnet.com 2 2025-11-20 2025-12-01 nodata
fatca.bdfnet.com 1 2026-04-22 2026-04-22 nxdomain
icbankingqa.bdfnet.com 1 2026-04-25 2026-04-25 nxdomain
bdfvisa.bdfnet.com 1 2026-02-24 2026-02-24 ok
owa.bdfnet.com 3 2026-03-03 2026-03-03 nxdomain
AppBDFEncuestaSac.bdfnet.com 1 2026-01-09 2026-01-09 —
sac.bdfnet.com 1 2026-06-24 2026-06-24 ok
icbankingpre.bdfnet.com 1 2026-01-12 2026-01-12 ok
ibdf.bdfnet.com 1 2026-06-09 2026-06-09 ok
mibdf.bdfnet.com 4 2026-05-15 2026-09-18 nxdomain
appvirtual.bdfnet.com 3 2026-03-20 2026-10-05 ok
mail.bdfnet.com 3 2026-03-03 2026-03-03 ok
mdm.bdfnet.com 1 2025-09-10 2025-09-10 ok
bdfsip.bdfnet.com 1 2025-09-27 2025-09-27 nxdomain
autodiscover.bdfnet.com 3 2026-03-03 2026-03-03 ok
apps.bdfnet.com 3 2025-09-03 2026-10-05 ok
bdfchat.bdfnet.com 2 2026-03-20 2026-10-05 ok
www.bdfnet.com 2 2025-11-20 2025-12-01 ok

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