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 · 274 ms

HostCertsFirst seenLast seenDNS
aiavitality.com.au 4 2025-07-09 2026-06-16 ok
memberuat2.aiavitality.com.au 9 2025-07-25 2026-10-06 ok
qa.aiavitality.com.au 4 2026-04-24 2026-09-10 ok
onelife.aiavitality.com.au 4 2026-04-24 2026-09-10 nodata
super-demo.aiavitality.com.au 6 2026-05-06 2026-09-22 ok
shop.aiavitality.com.au 4 2025-07-11 2026-07-17 ok
member.aiavitality.com.au 6 2026-05-06 2026-09-22 ok
super.aiavitality.com.au 6 2026-05-06 2026-09-22 ok
comms.aiavitality.com.au 5 2026-05-16 2026-09-13 ok
memberuat.aiavitality.com.au 6 2026-05-06 2026-09-22 ok
super-sit.aiavitality.com.au 3 2025-07-25 2026-08-07 nxdomain
membersit.aiavitality.com.au 7 2025-07-25 2026-09-10 ok
test.aiavitality.com.au 8 2026-04-24 2026-09-10 ok
lv.aiavitality.com.au 4 2025-07-09 2026-06-16 nodata
www.aiavitality.com.au 4 2025-07-09 2026-06-16 ok

Programmatic access, with DNS A records: API GET /v1/hosts/aiavitality.com.au (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/aiavitality.com.au.