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.

41 hosts · 344 ms

HostCertsFirst seenLast seenDNS
manning-napier.com 28 2026-02-19 2026-10-05 ok
*.manning-napier.com 25 2026-03-25 2026-10-05 —
i-awn-vlc01.manning-napier.com 2 2026-03-25 2026-05-12 nxdomain
i-adcs-ndes01.manning-napier.com 4 2026-03-25 2026-10-05 nxdomain
awendpt01.manning-napier.com 2 2026-03-25 2026-05-12 nxdomain
awrelay01.manning-napier.com 2 2026-03-25 2026-05-12 nxdomain
d-k2-host02.manning-napier.com 2 2026-03-25 2026-05-12 nxdomain
p-k2-host02.manning-napier.com 2 2026-03-25 2026-05-12 nxdomain
t-k2-host02.manning-napier.com 2 2026-03-25 2026-05-12 nxdomain
thepoint2.manning-napier.com 2 2026-03-25 2026-05-12 nxdomain
livesend.manning-napier.com 1 2026-01-15 2026-01-15 ok
remote.manning-napier.com 2 2026-03-25 2026-05-12 nxdomain
staging.manning-napier.com 8 2026-03-25 2026-08-28 ok
helpdesk.manning-napier.com 8 2026-04-20 2026-08-16 ok
mail.manning-napier.com 7 2026-03-25 2026-05-13 ok
am.manning-napier.com 3 2026-04-29 2026-09-07 ok
staging.am.manning-napier.com 4 2026-04-21 2026-08-28 ok
wm.manning-napier.com 16 2026-04-21 2026-09-24 ok
docgen.manning-napier.com 2 2026-03-25 2026-05-12 nxdomain
vpn.manning-napier.com 2 2026-03-25 2026-05-12 ok
mn-vpn.manning-napier.com 2 2026-03-25 2026-05-12 ok
dr-vpn.manning-napier.com 2 2026-03-25 2026-05-12 ok
test-vpn.manning-napier.com 2 2026-03-25 2026-05-12 ok
fny-vpn.manning-napier.com 2 2026-03-25 2026-05-12 ok
go.manning-napier.com 6 2026-05-11 2026-09-06 ok
forwarder.manning-napier.com 2 2026-03-25 2026-05-12 ok
autodiscover.manning-napier.com 7 2026-03-25 2026-05-13 ok
ir.manning-napier.com 1 2026-07-15 2026-07-15 ok
www.ir.manning-napier.com 1 2026-07-15 2026-07-15 ok
ndes.manning-napier.com 4 2026-03-25 2026-10-05 nxdomain
ldaps.manning-napier.com 2 2026-03-25 2026-05-12 nxdomain
citrix-apps.manning-napier.com 2 2026-03-25 2026-05-12 nxdomain
k2apps.manning-napier.com 2 2026-03-25 2026-05-12 nxdomain
advisors.manning-napier.com 2 2026-03-25 2026-05-12 nxdomain
thepoint2test.manning-napier.com 2 2026-03-25 2026-05-12 nxdomain
webtest.manning-napier.com 3 2026-02-20 2026-05-12 ok
k2appstest.manning-napier.com 2 2026-03-25 2026-05-12 nxdomain
thepoint2dev.manning-napier.com 2 2026-03-25 2026-05-12 nxdomain
webdev.manning-napier.com 5 2026-02-20 2026-10-04 ok
k2appsdev.manning-napier.com 2 2026-03-25 2026-05-12 nxdomain
www.manning-napier.com 14 2026-02-23 2026-09-09 ok

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