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.

50 hosts · 370 ms

HostCertsFirst seenLast seenDNS
nurp.com 7 2025-07-15 2026-09-30 ok
*.nurp.com 7 2025-07-15 2026-09-30 —
staging21.nurp.com 5 2026-04-27 2026-08-25 ok
*.staging21.nurp.com 5 2026-04-27 2026-08-25 —
staging18.nurp.com 5 2026-04-22 2026-08-20 ok
*.staging18.nurp.com 5 2026-04-22 2026-08-20 —
onboard.nurp.com 3 2026-04-21 2026-09-21 ok
trade.nurp.com 4 2026-06-05 2026-10-03 ok
engine.nurp.com 1 2026-08-27 2026-08-27 ok
uat.engine.nurp.com 1 2026-09-11 2026-09-11 ok
launch.nurp.com 5 2026-05-04 2026-09-19 ok
merch.nurp.com 2 2025-06-15 2026-05-16 ok
*.merch.nurp.com 2 2025-06-15 2026-05-16 —
info.nurp.com 8 2026-04-18 2026-08-15 ok
go.nurp.com 5 2026-05-15 2026-09-12 ok
*.go.nurp.com 5 2026-05-15 2026-09-12 —
macro.nurp.com 1 2026-09-18 2026-09-18 ok
shop.nurp.com 5 2026-06-02 2026-09-30 ok
*.shop.nurp.com 5 2026-06-02 2026-09-30 —
app.nurp.com 5 2026-05-03 2026-09-15 ok
staging.app.nurp.com 5 2026-05-15 2026-09-13 ok
uat.app.nurp.com 4 2026-07-10 2026-09-25 ok
member.nurp.com 5 2026-05-15 2026-09-12 ok
*.member.nurp.com 5 2026-05-15 2026-09-12 —
staging22.member.nurp.com 5 2026-05-30 2026-09-27 ok
*.staging22.member.nurp.com 5 2026-05-30 2026-09-27 —
staging23.member.nurp.com 6 2026-06-03 2026-10-01 ok
*.staging23.member.nurp.com 6 2026-06-03 2026-10-01 —
atlas.nurp.com 11 2026-05-25 2026-09-20 ok
forms.nurp.com 4 2026-04-21 2026-08-19 ok
partners.nurp.com 6 2026-06-03 2026-09-30 ok
*.partners.nurp.com 6 2026-06-03 2026-09-30 —
ss.nurp.com 5 2026-05-10 2026-09-07 ok
load.ss.nurp.com 18 2026-05-05 2026-08-31 ok
alerts.nurp.com 3 2026-07-23 2026-09-22 ok
livechat.nurp.com 5 2026-06-02 2026-09-30 ok
*.livechat.nurp.com 5 2026-06-02 2026-09-30 —
connect.nurp.com 4 2026-04-15 2026-08-13 ok
*.connect.nurp.com 4 2026-04-15 2026-08-13 —
0percent.nurp.com 6 2026-06-03 2026-10-01 ok
*.0percent.nurp.com 6 2026-06-03 2026-10-01 —
start.nurp.com 8 2026-04-20 2026-08-16 ok
www.start.nurp.com 18 2026-06-03 2026-09-30 ok
ampdev.nurp.com 5 2026-05-18 2026-09-15 ok
*.ampdev.nurp.com 5 2026-05-18 2026-09-15 —
staging12.ampdev.nurp.com 4 2026-06-04 2026-10-02 ok
*.staging12.ampdev.nurp.com 4 2026-06-04 2026-10-02 —
memberdev.nurp.com 5 2026-05-03 2026-08-31 ok
*.memberdev.nurp.com 5 2026-05-03 2026-08-31 —
pay.nurp.com 13 2026-05-25 2026-09-21 ok

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