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.

15 hosts · 258 ms

HostCertsFirst seenLast seenDNS
kurufootwear.com 16 2026-05-30 2026-10-02 ok
returns2.kurufootwear.com 2 2026-03-24 2026-08-24 ok
media.kurufootwear.com 21 2026-05-25 2026-09-20 ok
i.kurufootwear.com 5 2026-05-18 2026-09-15 ok
sgtm.kurufootwear.com 3 2026-05-09 2026-08-26 ok
shop.kurufootwear.com 17 2026-04-11 2026-10-06 ok
returns.kurufootwear.com 2 2026-06-04 2026-08-24 ok
enews.kurufootwear.com 12 2026-04-23 2026-08-19 ok
rbkus90t.kurufootwear.com 60 2026-04-29 2026-08-23 ok
account.kurufootwear.com 9 2026-04-20 2026-08-31 ok
support.kurufootwear.com 1 2026-09-29 2026-09-29 nxdomain
renew.kurufootwear.com 7 2026-05-03 2026-09-14 ok
www.kurufootwear.com 11 2026-04-13 2026-09-24 ok
warranty.kurufootwear.com 1 2025-11-18 2025-11-18 ok
www.warranty.kurufootwear.com 1 2025-11-18 2025-11-18 nxdomain

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