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.

49 hosts · 404 ms

HostCertsFirst seenLast seenDNS
fidelity.com.hk 10 2025-09-19 2026-09-17 ok
secure11.fidelity.com.hk 3 2026-02-26 2026-08-24 ok
origin-secure11.fidelity.com.hk 2 2026-02-26 2026-08-24 ok
www11.fidelity.com.hk 2 2025-10-22 2025-10-22 ok
www22.fidelity.com.hk 2 2025-10-22 2025-10-22 ok
sit.cec.fidelity.com.hk 3 2025-09-01 2026-08-02 nxdomain
*.gateway-cld.fidelity.com.hk 3 2026-03-22 2026-08-22 —
*.np.gateway-cld.fidelity.com.hk 1 2026-02-12 2026-02-12 —
secure.fidelity.com.hk 3 2026-02-26 2026-08-24 ok
origin-secure.fidelity.com.hk 2 2026-02-26 2026-08-24 ok
xapi.secure.fidelity.com.hk 1 2026-01-05 2026-01-05 ok
origin-xapi.secure.fidelity.com.hk 1 2026-01-21 2026-01-21 ok
page.mpf.fidelity.com.hk 8 2026-05-08 2026-09-03 ok
email.mpf.fidelity.com.hk 10 2026-05-07 2026-09-03 ok
qdii.fidelity.com.hk 11 2025-09-01 2026-09-17 ok
cat.qdii.fidelity.com.hk 6 2025-07-08 2026-07-30 ok
qat.qdii.fidelity.com.hk 4 2025-07-08 2026-06-09 ok
dev.qdii.fidelity.com.hk 4 2025-07-08 2026-06-09 ok
prv.qdii.fidelity.com.hk 5 2026-03-27 2026-09-23 ok
page.ws.m.fidelity.com.hk 6 2026-05-07 2026-09-02 ok
email.ws.m.fidelity.com.hk 10 2026-05-07 2026-09-02 ok
pension.fidelity.com.hk 3 2026-01-19 2026-07-27 ok
www.pension.fidelity.com.hk 2 2026-01-19 2026-01-19 nxdomain
vpn.fidelity.com.hk 2 2025-08-14 2026-08-12 ok
secure-np.fidelity.com.hk 1 2025-12-25 2025-12-25 nxdomain
*.secure-np.fidelity.com.hk 1 2025-12-25 2025-12-25 —
uat.secure-np.fidelity.com.hk 3 2026-03-19 2026-09-22 ok
xapi-uat.secure-np.fidelity.com.hk 1 2026-01-05 2026-01-05 ok
sit.secure-np.fidelity.com.hk 3 2026-03-19 2026-09-22 ok
xapi-sit.secure-np.fidelity.com.hk 1 2026-01-05 2026-01-05 ok
xapi-dev.secure-np.fidelity.com.hk 1 2026-01-05 2026-01-05 ok
pensionnp.fidelity.com.hk 5 2026-05-27 2026-07-09 ok
retirementnp.fidelity.com.hk 5 2026-05-27 2026-07-09 ok
tnp.comms.fidelity.com.hk 1 2026-06-30 2026-06-30 nxdomain
t.comms.fidelity.com.hk 1 2026-07-24 2026-07-24 ok
marketosms.fidelity.com.hk 1 2026-05-30 2026-05-30 ok
page.ws.fidelity.com.hk 8 2026-05-07 2026-09-03 ok
email.ws.fidelity.com.hk 8 2026-05-08 2026-09-03 ok
cat.fidelity.com.hk 6 2025-07-08 2026-07-30 ok
qat.fidelity.com.hk 4 2025-07-08 2026-06-09 ok
vpn-uat.fidelity.com.hk 1 2026-01-26 2026-01-26 ok
marketosms-uat.fidelity.com.hk 1 2026-05-26 2026-05-26 ok
marketosms-sit.fidelity.com.hk 2 2026-05-26 2026-05-26 ok
retirement.fidelity.com.hk 2 2025-08-12 2026-07-27 ok
www.retirement.fidelity.com.hk 1 2025-08-12 2025-08-12 nxdomain
dev.fidelity.com.hk 4 2025-07-08 2026-06-09 ok
prv.fidelity.com.hk 5 2026-03-27 2026-09-23 ok
new.fidelity.com.hk 2 2025-10-22 2025-10-22 nxdomain
www.fidelity.com.hk 11 2025-09-01 2026-09-17 ok

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