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.

34 hosts · 327 ms

HostCertsFirst seenLast seenDNS
fetlifemail.com 16 2026-04-27 2026-09-26 ok
*.fetlifemail.com 8 2026-05-07 2026-09-26 —
inbound01.fetlifemail.com 5 2026-06-04 2026-08-07 ok
abuse01.fetlifemail.com 4 2026-04-08 2026-08-06 ok
inbound-staging01.fetlifemail.com 2 2026-06-04 2026-06-04 nxdomain
mail11.fetlifemail.com 5 2026-04-27 2026-08-25 ok
pristine1.fetlifemail.com 5 2026-05-18 2026-09-14 ok
mailse1.fetlifemail.com 5 2026-05-10 2026-09-07 ok
spotless1.fetlifemail.com 5 2026-05-18 2026-09-15 ok
flawless1.fetlifemail.com 5 2026-05-19 2026-09-16 ok
mailw1.fetlifemail.com 5 2026-05-08 2026-09-05 ok
inbound02.fetlifemail.com 1 2026-08-27 2026-08-27 ok
mail22.fetlifemail.com 5 2026-04-07 2026-10-03 ok
pristine2.fetlifemail.com 5 2026-04-22 2026-08-19 ok
mailse2.fetlifemail.com 5 2026-05-07 2026-09-04 ok
spotless2.fetlifemail.com 5 2026-04-22 2026-08-20 ok
flawless2.fetlifemail.com 5 2026-04-22 2026-08-19 ok
mailw2.fetlifemail.com 5 2026-05-07 2026-09-04 ok
mail13.fetlifemail.com 4 2026-04-08 2026-08-06 ok
mail23.fetlifemail.com 5 2026-05-04 2026-08-31 ok
pristine3.fetlifemail.com 5 2026-04-22 2026-08-20 ok
mailse3.fetlifemail.com 5 2026-05-06 2026-09-02 ok
spotless3.fetlifemail.com 5 2026-04-22 2026-08-19 ok
flawless3.fetlifemail.com 5 2026-04-22 2026-08-20 ok
mailw3.fetlifemail.com 5 2026-05-06 2026-09-03 ok
mail14.fetlifemail.com 4 2026-04-08 2026-08-06 ok
mail24.fetlifemail.com 5 2026-05-03 2026-08-31 ok
mail16.fetlifemail.com 5 2026-05-04 2026-09-01 ok
mail17.fetlifemail.com 5 2026-05-04 2026-09-01 ok
mail18.fetlifemail.com 5 2026-05-04 2026-09-01 ok
inbound.fetlifemail.com 2 2026-06-04 2026-06-04 nxdomain
to.fetlifemail.com 4 2026-06-08 2026-09-10 ok
www.fetlifemail.com 8 2026-04-27 2026-09-10 ok
notify.fetlifemail.com 6 2026-06-04 2026-09-10 ok

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