Find every subdomain
of a domain.

Every hostname under a domain that ever appeared in a public TLS certificate — with certificate counts and first/last seen dates.

24 hosts · 268 ms

HostCertsFirst seenLast seen
swyftx.com.au 52 2026-04-16 2026-09-15
*.swyftx.com.au 31 2026-04-15 2026-09-15
trade.swyftx.com.au 2 2026-09-24 2026-09-28
beta-trade.swyftx.com.au 2 2026-09-24 2026-09-28
staging-trade.swyftx.com.au 1 2026-09-28 2026-09-28
*.stag.swyftx.com.au 8 2026-05-16 2026-09-11
auth.swyftx.com.au 18 2026-05-26 2026-09-21
api.swyftx.com.au 2 2025-08-27 2026-07-28
*.api.swyftx.com.au 13 2026-06-01 2026-09-27
link.swyftx.com.au 4 2026-06-04 2026-10-02
api.internal.swyftx.com.au 1 2026-05-11 2026-05-11
supportal.swyftx.com.au 1 2026-09-24 2026-09-24
*.supportal.swyftx.com.au 8 2026-04-18 2026-08-14
*.mail.swyftx.com.au 8 2026-04-18 2026-08-14
terrythetool.swyftx.com.au 1 2026-07-01 2026-07-01
*.m.swyftx.com.au 10 2026-05-20 2026-09-15
staging-trade-origin.swyftx.com.au 2 2026-08-25 2026-08-25
supportal-origin.swyftx.com.au 2 2026-08-25 2026-08-25
*.demo.swyftx.com.au 8 2026-05-16 2026-09-11
api.demo.swyftx.com.au 1 2025-12-22 2025-12-22
*.t.swyftx.com.au 10 2026-05-20 2026-09-15
*.dev.swyftx.com.au 9 2025-12-29 2026-09-11
auth.dev.swyftx.com.au 19 2026-05-23 2026-09-18
api.dev.swyftx.com.au 1 2025-12-22 2025-12-22

Programmatic access: API GET /v1/hosts/swyftx.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/swyftx.com.au.