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.

21 hosts · 330 ms

HostCertsFirst seenLast seenDNS
wifiplex.ca 17 2026-05-25 2026-10-04 ok
*.wifiplex.ca 18 2026-05-07 2026-10-04 —
api01.wifiplex.ca 5 2026-06-01 2026-09-29 ok
unifi1.wifiplex.ca 5 2026-05-06 2026-09-04 ok
unifi2.wifiplex.ca 5 2026-04-27 2026-08-25 ok
unifi3.wifiplex.ca 5 2026-05-17 2026-09-13 ok
unifi4.wifiplex.ca 4 2026-04-12 2026-08-11 ok
unifi5.wifiplex.ca 4 2026-06-07 2026-10-05 ok
rwb.wifiplex.ca 5 2026-05-01 2026-08-29 ok
commerce.wifiplex.ca 10 2026-05-30 2026-09-05 ok
drive.wifiplex.ca 10 2026-04-27 2026-08-25 ok
tikcentral.wifiplex.ca 5 2026-04-28 2026-08-26 ok
portail.wifiplex.ca 10 2026-05-17 2026-09-14 ok
crm.wifiplex.ca 8 2026-04-15 2026-08-13 ok
sign.wifiplex.ca 10 2026-05-09 2026-09-06 ok
uisp.wifiplex.ca 5 2026-05-31 2026-09-29 ok
forms.wifiplex.ca 11 2026-05-05 2026-09-25 ok
sms.wifiplex.ca 3 2026-06-16 2026-08-15 ok
support.wifiplex.ca 10 2026-05-05 2026-09-02 ok
tv.wifiplex.ca 7 2026-04-27 2026-09-26 ok
www.wifiplex.ca 5 2026-05-25 2026-09-24 ok

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