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.

27 hosts · 372 ms

HostCertsFirst seenLast seenDNS
portfoliorecovery.com 21 2025-12-05 2026-10-07 ok
*.portfoliorecovery.com 4 2025-10-08 2026-08-26 —
execution-ci360.portfoliorecovery.com 2 2025-07-25 2026-06-25 ok
content-ci360.portfoliorecovery.com 4 2026-04-15 2026-08-25 ok
delivery-ci360.portfoliorecovery.com 11 2025-07-25 2026-10-06 ok
prasbc01.portfoliorecovery.com 2 2025-10-08 2026-02-10 ok
nhocas1.portfoliorecovery.com 1 2026-05-12 2026-05-12 nxdomain
nhocasarray1.portfoliorecovery.com 1 2026-05-12 2026-05-12 nxdomain
NHOVNETCEE002.portfoliorecovery.com 1 2026-01-29 2026-01-29 —
nhocas2.portfoliorecovery.com 1 2026-05-12 2026-05-12 nxdomain
media.portfoliorecovery.com 4 2026-04-10 2026-08-24 ok
nhoowa.portfoliorecovery.com 1 2026-05-12 2026-05-12 ok
nhovnetcee.portfoliorecovery.com 1 2025-11-04 2025-11-04 nxdomain
www.nhovnetcee.portfoliorecovery.com 1 2025-11-04 2025-11-04 nxdomain
securemail.portfoliorecovery.com 2 2026-02-17 2026-02-18 ok
www.securemail.portfoliorecovery.com 2 2026-02-17 2026-02-18 nxdomain
pam.portfoliorecovery.com 16 2026-04-25 2026-08-21 ok
egain.portfoliorecovery.com 4 2026-04-06 2026-09-20 ok
www.egain.portfoliorecovery.com 4 2026-04-06 2026-09-20 nxdomain
autodiscover.portfoliorecovery.com 1 2026-05-12 2026-05-12 ok
es.portfoliorecovery.com 6 2025-07-02 2026-09-13 ok
www.es.portfoliorecovery.com 3 2025-07-02 2026-07-03 nxdomain
es-uat.portfoliorecovery.com 4 2026-02-25 2026-09-14 ok
execution-ci360.test.portfoliorecovery.com 2 2025-07-25 2026-06-25 ok
content-ci360.test.portfoliorecovery.com 4 2026-04-15 2026-08-25 ok
delivery-ci360.test.portfoliorecovery.com 11 2025-07-25 2026-10-06 ok
legacy.portfoliorecovery.com 1 2026-05-12 2026-05-12 ok

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