Find every subdomain
of a domain.

Every hostname under a domain that ever appeared in a public TLS certificate — with certificate counts and first/last seen dates.

29 hosts · 234 ms

HostCertsFirst seenLast seen
sonraisecurity.com 8 2026-05-03 2026-10-03
*.sonraisecurity.com 11 2026-04-23 2026-10-03
de.sonraisecurity.com 1 2025-11-24 2025-11-24
*.de.sonraisecurity.com 9 2025-11-24 2026-08-27
login.de.sonraisecurity.com 10 2026-05-01 2026-08-27
g.sonraisecurity.com 3 2026-04-15 2026-09-15
*.g.sonraisecurity.com 3 2026-04-15 2026-09-15
trk.sonraisecurity.com 5 2026-05-01 2026-08-29
eml.sonraisecurity.com 11 2026-04-12 2026-10-07
em.sonraisecurity.com 12 2026-05-01 2026-08-28
testplan.sonraisecurity.com 1 2026-09-30 2026-09-30
login.sonraisecurity.com 10 2026-05-01 2026-08-28
prod.vpn.sonraisecurity.com 5 2026-05-14 2026-09-12
non-prod.vpn.sonraisecurity.com 5 2026-05-11 2026-09-09
dr-stage.vpn.sonraisecurity.com 2 2026-05-07 2026-05-07
go.sonraisecurity.com 8 2026-05-07 2026-09-02
demo.sonraisecurity.com 4 2026-06-04 2026-10-05
vmp.sonraisecurity.com 4 2026-04-29 2026-10-09
px-sdk.app.sonraisecurity.com 1 2026-02-18 2026-02-18
www.px-sdk.app.sonraisecurity.com 1 2026-02-18 2026-02-18
px-esp.app.sonraisecurity.com 1 2026-02-18 2026-02-18
salestracker.sonraisecurity.com 1 2026-05-16 2026-05-16
s.sonraisecurity.com 6 2025-10-08 2026-09-29
*.s.sonraisecurity.com 16 2025-10-08 2026-09-29
login.s.sonraisecurity.com 10 2026-04-29 2026-08-26
www.sonraisecurity.com 8 2026-05-03 2026-10-03
survey.sonraisecurity.com 5 2026-05-07 2026-08-04
cakefactory.sonraisecurity.com 1 2025-06-14 2025-06-14
*.cakefactory.sonraisecurity.com 1 2025-06-14 2025-06-14

Programmatic access: API GET /v1/hosts/sonraisecurity.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/sonraisecurity.com.