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.

8 hosts · 209 ms

HostCertsFirst seenLast seen
affiliateedge.com 15 2026-04-22 2026-09-03
*.affiliateedge.com 16 2025-08-21 2026-09-03
trace.affiliateedge.com 9 2026-06-08 2026-10-04
wwwstage.affiliateedge.com 2 2026-04-26 2026-09-26
raffle.affiliateedge.com 10 2026-04-28 2026-08-24
mta-sts.affiliateedge.com 14 2026-04-14 2026-10-09
*.news.affiliateedge.com 3 2025-09-21 2026-08-22
www.affiliateedge.com 1 2026-05-12 2026-05-12

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