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.

88 hosts · 454 ms

HostCertsFirst seenLast seenDNS
sunlife.ca 7 2025-08-06 2026-09-04 ok
slc1.sunlife.ca 1 2025-10-14 2025-10-14 nxdomain
stage-slc1.sunlife.ca 2 2026-03-18 2026-09-10 nxdomain
slc2.sunlife.ca 1 2025-10-14 2025-10-14 nxdomain
stage-slc2.sunlife.ca 2 2026-03-18 2026-09-10 nxdomain
www2.sunlife.ca 6 2025-08-06 2026-09-04 nxdomain
web.sunlife.ca 1 2025-10-30 2025-10-30 ok
advisorhub.sunlife.ca 6 2025-08-20 2026-01-22 ok
sit2-advisorhub.sunlife.ca 10 2025-08-05 2026-05-12 ok
stage-advisorhub.sunlife.ca 3 2025-09-18 2026-10-05 ok
sit-advisorhub.sunlife.ca 3 2025-09-18 2026-10-05 ok
slc.sunlife.ca 1 2025-10-14 2025-10-14 ok
stage-slc.sunlife.ca 2 2026-03-18 2026-09-10 nxdomain
workplace.sunlife.ca 9 2026-03-19 2026-08-25 ok
stagecld-workplace.sunlife.ca 1 2026-05-12 2026-05-12 ok
sitcld-workplace.sunlife.ca 1 2026-05-12 2026-05-12 ok
stage-workplace.sunlife.ca 3 2026-03-09 2026-05-12 ok
sit-workplace.sunlife.ca 3 2026-03-09 2026-05-12 ok
preview-workplace.sunlife.ca 4 2026-07-06 2026-08-25 ok
www.workplace.sunlife.ca 9 2026-03-19 2026-08-25 ok
stage-www.workplace.sunlife.ca 3 2026-03-09 2026-05-12 ok
sit-www.workplace.sunlife.ca 3 2026-03-09 2026-05-12 ok
assistedadvice.sunlife.ca 2 2025-09-16 2026-09-04 ok
stage-assistedadvice.sunlife.ca 9 2025-08-05 2026-05-12 ok
www.assistedadvice.sunlife.ca 2 2025-09-16 2026-09-04 ok
stage-360planadvice.sunlife.ca 5 2026-08-11 2026-09-09 nxdomain
sit-360planadvice.sunlife.ca 5 2026-08-11 2026-09-09 nxdomain
centralesunlife.sunlife.ca 2 2025-09-16 2026-09-04 ok
sit2-centralesunlife.sunlife.ca 10 2025-08-05 2026-05-12 ok
stage-centralesunlife.sunlife.ca 3 2025-09-18 2026-10-05 ok
www.stage-centralesunlife.sunlife.ca 3 2025-09-18 2026-10-05 nxdomain
sit-centralesunlife.sunlife.ca 3 2025-09-18 2026-10-05 ok
www.sit-centralesunlife.sunlife.ca 3 2025-09-18 2026-10-05 nxdomain
www.centralesunlife.sunlife.ca 2 2025-09-16 2026-09-04 nxdomain
secure.sunlife.ca 6 2025-08-06 2026-09-04 ok
stage-secure.sunlife.ca 3 2025-09-18 2026-10-05 ok
sante.sunlife.ca 3 2025-07-15 2026-06-15 ok
*.sante.sunlife.ca 3 2025-07-15 2026-06-15 —
dev.sante.sunlife.ca 3 2025-07-07 2026-06-07 ok
*.dev.sante.sunlife.ca 3 2025-07-07 2026-06-07 —
luminosante.sunlife.ca 6 2025-08-20 2026-01-22 ok
stage-luminosante.sunlife.ca 9 2025-08-05 2026-05-12 ok
sit-luminosante.sunlife.ca 9 2025-08-05 2026-05-12 ok
providersearch.sunlife.ca 9 2026-03-19 2026-08-25 ok
stagecld-providersearch.sunlife.ca 7 2026-08-06 2026-09-09 nxdomain
sitcld-providersearch.sunlife.ca 7 2026-08-06 2026-09-09 nxdomain
stage-providersearch.sunlife.ca 3 2026-03-09 2026-05-12 ok
sit-providersearch.sunlife.ca 3 2026-03-09 2026-05-12 ok
preview-providersearch.sunlife.ca 2 2026-08-25 2026-08-25 nxdomain
health.sunlife.ca 13 2025-07-15 2026-09-24 ok
*.health.sunlife.ca 13 2025-07-15 2026-09-24 —
dev.health.sunlife.ca 10 2025-06-26 2026-09-24 ok
*.dev.health.sunlife.ca 10 2025-06-26 2026-09-24 —
auth.dev.health.sunlife.ca 3 2026-10-02 2026-10-02 ok
luminohealth.sunlife.ca 6 2025-08-20 2026-01-22 ok
stage-luminohealth.sunlife.ca 9 2025-08-05 2026-05-12 ok
sit-luminohealth.sunlife.ca 9 2025-08-05 2026-05-12 ok
suncentral.sunlife.ca 2 2025-09-16 2026-09-04 ok
sit2-suncentral.sunlife.ca 10 2025-08-05 2026-05-12 ok
stage-suncentral.sunlife.ca 3 2025-09-18 2026-10-05 ok
www.stage-suncentral.sunlife.ca 3 2025-09-18 2026-10-05 nxdomain
sit-suncentral.sunlife.ca 3 2025-09-18 2026-10-05 ok
www.sit-suncentral.sunlife.ca 3 2025-09-18 2026-10-05 nxdomain
www.suncentral.sunlife.ca 2 2025-09-16 2026-09-04 nxdomain
m.sunlife.ca 4 2026-03-19 2026-09-25 nxdomain
action.sunlife.ca 2 2025-09-16 2026-09-04 ok
conseiller.sunlife.ca 5 2026-05-02 2026-08-30 ok
discover.sunlife.ca 2 2025-09-16 2026-09-04 ok
decouvrir.sunlife.ca 2 2025-09-16 2026-09-04 ok
advisor.sunlife.ca 5 2026-05-02 2026-08-30 ok
smetrics.sunlife.ca 4 2025-09-08 2026-09-10 ok
acces.sunlife.ca 6 2025-08-20 2026-01-22 ok
stage-acces.sunlife.ca 9 2025-08-05 2026-05-12 ok
origin-sit2-cms.sunlife.ca 1 2026-03-16 2026-03-16 ok
connect.sunlife.ca 6 2025-08-20 2026-01-22 ok
stage-connect.sunlife.ca 9 2025-08-05 2026-05-12 ok
target.sunlife.ca 2 2025-10-21 2025-10-21 ok
conseillertest.sunlife.ca 4 2026-04-11 2026-08-09 ok
advisortest.sunlife.ca 4 2026-04-11 2026-08-09 ok
sunlifefinancialtrust.sunlife.ca 2 2025-09-16 2026-09-04 nxdomain
www.sunlife.ca 6 2025-08-06 2026-09-04 ok
sit2-www.sunlife.ca 10 2025-08-05 2026-05-12 ok
stagecld-www.sunlife.ca 1 2026-05-12 2026-05-12 ok
sitcld-www.sunlife.ca 1 2026-05-12 2026-05-12 ok
stage-www.sunlife.ca 3 2025-09-18 2026-10-05 ok
sit-www.sunlife.ca 3 2025-09-18 2026-10-05 ok
origin-sit-www.sunlife.ca 2 2026-03-18 2026-09-10 ok
preview-www.sunlife.ca 4 2026-07-06 2026-08-25 ok

Programmatic access, with DNS A records: API GET /v1/hosts/sunlife.ca (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/sunlife.ca.