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.

9 hosts · 377 ms

HostCertsFirst seenLast seenDNS
districtshredding.com 11 2026-04-20 2026-09-30 ok
*.districtshredding.com 6 2026-04-20 2026-09-09 —
growth.districtshredding.com 5 2026-05-01 2026-09-06 ok
webdisk.districtshredding.com 5 2026-05-31 2026-09-30 ok
cpanel.districtshredding.com 5 2026-05-31 2026-09-30 ok
webmail.districtshredding.com 5 2026-05-31 2026-09-30 ok
cpcalendars.districtshredding.com 5 2026-05-31 2026-09-30 ok
cpcontacts.districtshredding.com 5 2026-05-31 2026-09-30 ok
www.districtshredding.com 5 2026-05-31 2026-09-30 ok

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