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.

30 hosts · 308 ms

HostCertsFirst seenLast seenDNS
asteronlife.com.au 7 2025-09-01 2026-08-24 ok
glb.asteronlife.com.au 2 2025-09-01 2025-09-04 servfail
content.glb.asteronlife.com.au 2 2025-09-01 2025-09-04 servfail
www.content.glb.asteronlife.com.au 2 2025-09-01 2025-09-04 servfail
www.glb.asteronlife.com.au 2 2025-09-01 2025-09-04 servfail
preprod.asteronlife.com.au 2 2026-01-12 2026-06-10 ok
payments-preprod.asteronlife.com.au 2 2026-05-11 2026-09-23 ok
lifeinsurance.asteronlife.com.au 2 2025-09-17 2026-09-10 ok
m2.lifeinsurance.asteronlife.com.au 3 2025-09-17 2026-09-10 ok
res2.lifeinsurance.asteronlife.com.au 3 2025-09-17 2026-09-10 ok
t2.lifeinsurance.asteronlife.com.au 3 2025-09-17 2026-09-10 ok
correspondence.asteronlife.com.au 2 2026-01-12 2026-06-10 ok
www.correspondence.asteronlife.com.au 2 2026-01-12 2026-06-10 ok
uatcorrespondence.asteronlife.com.au 3 2026-05-09 2026-09-21 ok
life.asteronlife.com.au 5 2025-08-22 2026-08-24 ok
marketing.asteronlife.com.au 1 2025-09-17 2025-09-17 ok
m1.marketing.asteronlife.com.au 4 2025-09-17 2025-10-31 ok
res1.marketing.asteronlife.com.au 4 2025-09-05 2026-09-09 ok
t1.marketing.asteronlife.com.au 4 2025-09-05 2026-09-09 ok
adviser.asteronlife.com.au 2 2025-07-16 2026-07-09 ok
www.adviser.asteronlife.com.au 3 2025-07-16 2026-07-09 ok
smetrics.asteronlife.com.au 5 2026-04-16 2026-10-02 ok
payments.asteronlife.com.au 2 2026-01-13 2026-06-11 ok
content.asteronlife.com.au 2 2025-09-01 2025-09-04 nodata
www.content.asteronlife.com.au 2 2025-09-01 2025-09-04 nxdomain
support.asteronlife.com.au 1 2025-09-17 2025-09-17 ok
m1.support.asteronlife.com.au 2 2025-09-17 2025-10-31 ok
res1.support.asteronlife.com.au 3 2025-10-23 2026-09-09 ok
t1.support.asteronlife.com.au 4 2025-09-17 2026-09-09 ok
www.asteronlife.com.au 4 2025-09-01 2026-06-10 ok

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