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.

11 hosts · 282 ms

HostCertsFirst seenLast seenDNS
nevatiasteel.com 8 2026-04-30 2026-09-30 ok
*.nevatiasteel.com 3 2026-04-30 2026-09-30 —
webdisk.nevatiasteel.com 5 2026-05-25 2026-09-24 ok
cpanel.nevatiasteel.com 5 2026-05-25 2026-09-24 ok
webmail.nevatiasteel.com 5 2026-05-25 2026-09-24 ok
erp.nevatiasteel.com 3 2026-05-14 2026-08-28 ok
api.erp.nevatiasteel.com 3 2026-05-20 2026-09-08 ok
autodiscover.nevatiasteel.com 5 2026-05-25 2026-09-24 ok
cpcalendars.nevatiasteel.com 5 2026-05-25 2026-09-24 ok
cpcontacts.nevatiasteel.com 5 2026-05-25 2026-09-24 ok
www.nevatiasteel.com 5 2026-05-25 2026-09-24 ok

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