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 · 348 ms

HostCertsFirst seenLast seenDNS
wellsfargorewards.com 4 2025-08-24 2026-08-06 ok
mail2.wellsfargorewards.com 2 2025-06-25 2026-06-02 ok
catalogsmb.wellsfargorewards.com 9 2026-01-06 2026-08-14 ok
atechcatalogsmb.wellsfargorewards.com 11 2026-01-06 2026-08-14 ok
consumercard.wellsfargorewards.com 2 2025-06-25 2026-06-02 ok
businesscard.wellsfargorewards.com 5 2026-03-20 2026-08-27 ok
businessline.wellsfargorewards.com 5 2026-03-20 2026-08-27 ok
catalog.wellsfargorewards.com 14 2025-06-25 2026-09-06 ok
atechcatalog.wellsfargorewards.com 12 2025-06-25 2026-09-07 ok
giftcards.wellsfargorewards.com 2 2026-03-20 2026-09-01 ok
www.wellsfargorewards.com 4 2025-08-24 2026-08-06 ok

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