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.

28 hosts · 386 ms

HostCertsFirst seenLast seenDNS
alliedmedtraining.com 27 2026-04-17 2026-10-04 ok
*.alliedmedtraining.com 21 2026-04-17 2026-10-04 —
billing.alliedmedtraining.com 6 2026-05-28 2026-08-14 ok
elearning.alliedmedtraining.com 18 2026-04-15 2026-09-21 ok
api.alliedmedtraining.com 1 2026-05-19 2026-05-19 ok
lwmail.alliedmedtraining.com 5 2026-06-06 2026-10-04 ok
register.alliedmedtraining.com 12 2026-04-26 2026-08-22 ok
skill-exam-dev.alliedmedtraining.com 1 2026-09-25 2026-09-25 ok
pr-100.skill-exam-dev.alliedmedtraining.com 2 2026-09-25 2026-09-25 ok
pr-110.skill-exam-dev.alliedmedtraining.com 8 2026-09-27 2026-09-27 ok
pr-111.skill-exam-dev.alliedmedtraining.com 2 2026-09-30 2026-09-30 ok
pr-102.skill-exam-dev.alliedmedtraining.com 1 2026-09-25 2026-09-25 ok
pr-112.skill-exam-dev.alliedmedtraining.com 1 2026-10-01 2026-10-01 ok
pr-103.skill-exam-dev.alliedmedtraining.com 1 2026-09-25 2026-09-25 ok
pr-113.skill-exam-dev.alliedmedtraining.com 5 2026-10-01 2026-10-03 ok
pr-104.skill-exam-dev.alliedmedtraining.com 6 2026-09-26 2026-09-26 ok
pr-114.skill-exam-dev.alliedmedtraining.com 1 2026-10-01 2026-10-01 ok
pr-105.skill-exam-dev.alliedmedtraining.com 1 2026-09-26 2026-09-26 ok
pr-115.skill-exam-dev.alliedmedtraining.com 13 2026-10-01 2026-10-01 ok
pr-106.skill-exam-dev.alliedmedtraining.com 2 2026-09-26 2026-09-26 ok
pr-116.skill-exam-dev.alliedmedtraining.com 23 2026-10-01 2026-10-03 ok
pr-107.skill-exam-dev.alliedmedtraining.com 8 2026-09-27 2026-09-27 ok
pr-117.skill-exam-dev.alliedmedtraining.com 20 2026-10-03 2026-10-03 ok
pr-108.skill-exam-dev.alliedmedtraining.com 14 2026-09-27 2026-09-27 ok
pr-118.skill-exam-dev.alliedmedtraining.com 2 2026-10-03 2026-10-03 ok
pr-119.skill-exam-dev.alliedmedtraining.com 1 2026-10-03 2026-10-03 ok
register-dev.alliedmedtraining.com 2 2026-09-10 2026-09-10 ok
www.alliedmedtraining.com 10 2026-04-18 2026-08-14 ok

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