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.

43 hosts · 360 ms

HostCertsFirst seenLast seenDNS
scott-pc.com 7 2025-06-24 2026-07-09 nodata
*.scott-pc.com 12 2025-06-25 2026-07-09 —
satxrsa01.scott-pc.com 2 2025-06-25 2025-07-14 ok
pulse1.scott-pc.com 7 2025-06-25 2025-07-15 ok
horizon1.scott-pc.com 7 2025-07-12 2026-07-12 nxdomain
vpn1.scott-pc.com 2 2025-06-25 2025-07-14 ok
desktop1.scott-pc.com 7 2025-07-11 2026-07-11 nxdomain
pulsemgmt1.scott-pc.com 4 2025-06-25 2025-07-15 nxdomain
dmz1.scott-pc.com 3 2025-07-17 2025-07-24 nxdomain
testhooks.scott-pc.comdmz1.scott-pc.com 1 2025-07-24 2025-07-24 nxdomain
pulse2.scott-pc.com 7 2025-06-25 2025-07-15 ok
horizon2.scott-pc.com 7 2025-07-12 2026-07-12 nxdomain
vpn2.scott-pc.com 2 2025-06-25 2025-07-14 ok
desktop2.scott-pc.com 7 2025-07-11 2026-07-11 nxdomain
pulsemgmt2.scott-pc.com 4 2025-06-25 2025-07-15 nxdomain
pulse3.scott-pc.com 7 2025-06-25 2025-07-15 ok
horizon3.scott-pc.com 7 2025-07-12 2026-07-12 nxdomain
desktop3.scott-pc.com 7 2025-07-11 2026-07-11 nxdomain
pulse4.scott-pc.com 7 2025-06-25 2025-07-15 ok
horizon4.scott-pc.com 7 2025-07-12 2026-07-12 nxdomain
desktop4.scott-pc.com 7 2025-07-11 2026-07-11 nxdomain
pulse.scott-pc.com 8 2025-06-25 2026-01-04 ok
www.pulse.scott-pc.com 1 2026-01-04 2026-01-04 nxdomain
remote.scott-pc.com 2 2025-06-25 2025-07-14 ok
testpci.scott-pc.com 1 2025-07-24 2025-07-24 nxdomain
webhook.scott-pc.com 3 2025-07-17 2025-07-17 nxdomain
pcipal.scott-pc.com 1 2025-07-17 2025-07-17 nxdomain
mta-sts.em.scott-pc.com 1 2026-08-18 2026-08-18 ok
fmcon.scott-pc.com 4 2025-07-17 2026-08-24 ok
horizon.scott-pc.com 5 2025-06-25 2026-07-12 nxdomain
www.horizon.scott-pc.com 3 2025-07-12 2026-07-12 nxdomain
vpn.scott-pc.com 2 2025-06-25 2025-07-14 nxdomain
help.scott-pc.com 1 2025-08-12 2025-08-12 nxdomain
desktop.scott-pc.com 18 2025-06-25 2026-07-11 nxdomain
www.desktop.scott-pc.com 6 2025-07-11 2026-07-11 nxdomain
ftp.scott-pc.com 1 2025-08-12 2025-08-12 nxdomain
lansweeper.scott-pc.com 1 2025-08-12 2025-08-12 nxdomain
webfilter.scott-pc.com 5 2025-06-25 2025-07-17 ok
webhooks.scott-pc.com 9 2025-06-25 2025-07-24 ok
testhooks.scott-pc.com 2 2025-07-24 2025-07-24 nxdomain
mta-sts.scott-pc.com 1 2026-08-18 2026-08-18 ok
mta-sts.connect.scott-pc.com 1 2026-08-18 2026-08-18 ok
extranet.scott-pc.com 2 2025-06-25 2025-07-14 ok

Programmatic access, with DNS A records: API GET /v1/hosts/scott-pc.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/scott-pc.com.