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.

48 hosts · 387 ms

HostCertsFirst seenLast seenDNS
hypr.com 38 2025-07-11 2026-09-28 ok
*.hypr.com 30 2025-07-11 2026-09-25 —
vault-massmutual-qa.923080219292.hypr.com 1 2026-05-06 2026-05-06 nxdomain
vault-heartland.923080219292.hypr.com 1 2026-01-20 2026-01-20 nxdomain
vault-massmutual-prod.923080219292.hypr.com 2 2025-06-13 2026-05-13 nxdomain
vault-heartland-test.923080219292.hypr.com 1 2026-03-18 2026-03-18 nxdomain
vault-massmutual-dev.923080219292.hypr.com 1 2026-05-06 2026-05-06 nxdomain
vault-haasv1testing.803086651843.hypr.com 2 2026-04-27 2026-09-27 nxdomain
vault-perfv1test.803086651843.hypr.com 1 2026-01-22 2026-01-22 nxdomain
cybersec.hypr.com 5 2026-05-08 2026-09-05 ok
prod.hypr.com 2 2025-12-16 2026-09-25 nodata
*.prod.hypr.com 2 2025-12-16 2026-09-25 —
scube.hypr.com 3 2026-02-26 2026-07-29 ok
g.hypr.com 3 2026-02-26 2026-07-29 ok
blog.hypr.com 11 2026-06-01 2026-09-27 ok
stg.hypr.com 5 2026-03-03 2026-08-25 nodata
*.stg.hypr.com 6 2026-03-03 2026-08-25 —
aigw.stg.hypr.com 1 2026-09-29 2026-09-29 nodata
*.aigw.stg.hypr.com 1 2026-09-29 2026-09-29 —
report-portal.hypr.com 1 2025-09-14 2025-09-14 nxdomain
vpn-pritunl.hypr.com 2 2026-03-21 2026-08-21 ok
tam.hypr.com 1 2025-07-07 2025-07-07 nxdomain
*.tam.hypr.com 1 2025-07-07 2025-07-07 —
go.hypr.com 14 2026-06-02 2026-09-28 ok
csp.hypr.com 14 2026-05-12 2026-09-08 ok
r.hypr.com 3 2026-02-26 2026-07-29 ok
apidocs.hypr.com 5 2026-05-25 2026-09-22 ok
sales.hypr.com 4 2026-06-07 2026-08-11 ok
enhancements.hypr.com 4 2026-04-16 2026-08-14 ok
status.hypr.com 5 2026-04-24 2026-08-21 ok
get.hypr.com 9 2026-06-01 2026-09-27 ok
msoft.hypr.com 14 2026-04-09 2026-10-03 ok
int.hypr.com 1 2025-11-06 2025-11-06 nodata
*.int.hypr.com 3 2025-11-06 2026-07-24 —
support.hypr.com 13 2026-04-12 2026-09-06 ok
trust.hypr.com 10 2026-05-06 2026-09-02 ok
dev.hypr.com 2 2025-07-14 2026-06-14 nodata
*.dev.hypr.com 5 2025-07-14 2026-09-11 —
aigw-contents.dev.hypr.com 1 2026-10-02 2026-10-02 ok
localtest.dev.hypr.com 19 2026-04-28 2026-09-16 nodata
*.localtest.dev.hypr.com 19 2026-04-28 2026-09-16 —
aigw.dev.hypr.com 1 2026-07-14 2026-07-14 nodata
*.aigw.dev.hypr.com 1 2026-07-14 2026-07-14 —
aigw.hypr.com 1 2026-07-14 2026-07-14 nodata
*.aigw.hypr.com 1 2026-07-14 2026-07-14 —
001f400000pbfobaal.aigw.hypr.com 1 2026-08-04 2026-08-04 ok
*.001f400000pbfobaal.aigw.hypr.com 1 2026-08-04 2026-08-04 —
www.hypr.com 13 2026-06-01 2026-09-27 ok

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