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.

18 hosts · 436 ms

HostCertsFirst seenLast seenDNS
eftsure.com.au 9 2025-06-25 2026-09-21 ok
*.eftsure.com.au 4 2025-06-25 2026-09-21 —
aws-za.eftsure.com.au 3 2025-08-17 2026-08-18 nxdomain
www.aws-za.eftsure.com.au 3 2025-08-17 2026-08-18 nxdomain
engage.eftsure.com.au 9 2026-04-23 2026-08-20 ok
home.eftsure.com.au 10 2026-04-22 2026-08-18 ok
api.eftsure.com.au 1 2026-02-10 2026-02-10 ok
ipv-api.eftsure.com.au 1 2026-09-30 2026-09-30 ok
*.api.eftsure.com.au 1 2026-02-10 2026-02-10 —
helpdesk.eftsure.com.au 4 2026-04-12 2026-08-10 ok
files.eftsure.com.au 2 2025-08-13 2026-07-12 ok
status.eftsure.com.au 4 2026-04-11 2026-08-08 ok
aws.eftsure.com.au 1 2025-10-07 2025-10-07 nxdomain
*.aws.eftsure.com.au 2 2025-06-25 2026-07-17 —
www.aws.eftsure.com.au 1 2025-10-07 2025-10-07 nxdomain
connect.eftsure.com.au 12 2026-04-23 2026-08-20 ok
ipv.eftsure.com.au 2 2026-09-30 2026-10-01 ok
www.eftsure.com.au 4 2026-04-21 2026-08-21 ok

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