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.

47 hosts · 374 ms

HostCertsFirst seenLast seenDNS
peerspace.com 76 2026-04-10 2026-10-05 ok
*.peerspace.com 18 2026-04-29 2026-09-07 —
url9220.peerspace.com 3 2026-09-14 2026-09-14 ok
url5821.peerspace.com 3 2026-09-14 2026-09-14 ok
android.peerspace.com 2 2026-09-14 2026-09-14 ok
peaceofmind.peerspace.com 12 2026-05-21 2026-09-16 ok
e.peerspace.com 4 2026-09-14 2026-09-14 ok
space.peerspace.com 5 2026-05-04 2026-09-01 ok
promote.peerspace.com 11 2026-04-22 2026-09-14 ok
groove.peerspace.com 5 2026-05-14 2026-09-13 ok
img.peerspace.com 9 2025-06-06 2026-09-29 ok
tracking.peerspace.com 9 2026-05-04 2026-10-04 ok
blog.peerspace.com 4 2026-09-14 2026-09-14 ok
auth.peerspace.com 3 2026-05-08 2026-05-29 ok
api.peerspace.com 4 2026-09-14 2026-09-14 ok
track.peerspace.com 2 2026-09-14 2026-09-14 ok
click.peerspace.com 2 2026-09-14 2026-09-14 ok
book.peerspace.com 10 2026-05-21 2026-09-16 ok
email.peerspace.com 2 2026-09-14 2026-09-14 ok
scim.peerspace.com 5 2026-04-28 2026-08-26 ok
madein.peerspace.com 18 2026-05-21 2026-09-16 ok
join.peerspace.com 5 2026-05-17 2026-09-14 ok
go.peerspace.com 13 2026-04-23 2026-09-14 ok
prod-gcp.peerspace.com 3 2026-09-14 2026-09-14 ok
help.peerspace.com 3 2026-09-14 2026-09-14 ok
host-dashboard-app.peerspace.com 11 2026-05-01 2026-09-14 ok
host-onboarding-app.peerspace.com 13 2026-05-27 2026-09-22 ok
express-listing-app.peerspace.com 9 2026-05-27 2026-09-22 ok
host-faq.peerspace.com 7 2026-08-14 2026-09-14 ok
*.host-faq.peerspace.com 5 2026-08-14 2026-08-14 —
calendar.peerspace.com 10 2026-05-04 2026-09-04 ok
teamtogether.peerspace.com 3 2026-09-14 2026-09-14 ok
ideas.peerspace.com 7 2026-06-03 2026-09-29 ok
uploads.peerspace.com 2 2026-09-14 2026-09-14 ok
ios.peerspace.com 3 2026-09-14 2026-09-14 ok
tastemakers.peerspace.com 3 2026-09-14 2026-09-14 ok
assets.peerspace.com 3 2026-09-14 2026-09-14 ok
events.peerspace.com 4 2026-09-14 2026-09-14 ok
fonts.peerspace.com 2 2026-09-14 2026-09-14 ok
hosts.peerspace.com 17 2026-05-21 2026-09-16 ok
support.peerspace.com 14 2026-05-08 2026-09-14 ok
internalsupport.peerspace.com 3 2026-09-14 2026-09-14 ok
host.peerspace.com 5 2026-05-13 2026-09-13 ok
fsv.peerspace.com 17 2026-04-10 2026-10-05 ok
www.peerspace.com 3 2026-09-14 2026-09-14 ok
try.peerspace.com 18 2026-05-21 2026-09-16 ok
community.peerspace.com 5 2026-06-01 2026-09-29 ok

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