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.

45 hosts · 576 ms

HostCertsFirst seenLast seenDNS
gapfactory.ca 4 2026-05-01 2026-08-26 ok
tiqc.gapfactory.ca 3 2026-06-06 2026-08-11 ok
azeus-ecom-api.live.prod.gapfactory.ca 2 2026-06-02 2026-06-02 nxdomain
secure-azeus-ecom-api.live.prod.gapfactory.ca 2 2026-06-02 2026-06-02 nxdomain
internal-azeus-ecom-api.live.prod.gapfactory.ca 2 2026-06-02 2026-06-02 nxdomain
secure-internal-azeus-ecom-api.live.prod.gapfactory.ca 2 2026-06-02 2026-06-02 nxdomain
secure-origin-azeus-ecom-api.live.prod.gapfactory.ca 2 2026-06-02 2026-06-02 nxdomain
ws-bananarepublicfactory-ecom-azeus.live.prod.gapfactory.ca 2 2026-05-26 2026-06-02 nxdomain
azeus-www.live.prod.gapfactory.ca 2 2026-05-26 2026-06-02 nxdomain
cella-azeus-www.live.prod.gapfactory.ca 2 2026-05-26 2026-06-02 nxdomain
secure-cella-azeus-www.live.prod.gapfactory.ca 2 2026-05-26 2026-06-02 nxdomain
cellb-azeus-www.live.prod.gapfactory.ca 2 2026-05-26 2026-06-02 nxdomain
secure-cellb-azeus-www.live.prod.gapfactory.ca 2 2026-05-26 2026-06-02 nxdomain
secure-azeus-www.live.prod.gapfactory.ca 2 2026-05-26 2026-06-02 nxdomain
internal-azeus-www.live.prod.gapfactory.ca 2 2026-05-26 2026-06-02 nxdomain
secure-internal-azeus-www.live.prod.gapfactory.ca 2 2026-05-26 2026-06-02 nxdomain
origin-azeus-www.live.prod.gapfactory.ca 2 2026-05-26 2026-06-02 ok
secure-origin-azeus-www.live.prod.gapfactory.ca 2 2026-05-26 2026-06-02 ok
azeus-bananarepublicfactory.live.prod.gapfactory.ca 2 2026-05-26 2026-06-02 nxdomain
cella-azeus-bananarepublicfactory.live.prod.gapfactory.ca 2 2026-05-26 2026-06-02 nxdomain
secure-cella-azeus-bananarepublicfactory.live.prod.gapfactory.ca 2 2026-05-26 2026-06-02 nxdomain
cellb-azeus-bananarepublicfactory.live.prod.gapfactory.ca 2 2026-05-26 2026-06-02 nxdomain
secure-cellb-azeus-bananarepublicfactory.live.prod.gapfactory.ca 2 2026-05-26 2026-06-02 nxdomain
secure-azeus-bananarepublicfactory.live.prod.gapfactory.ca 2 2026-05-26 2026-06-02 nxdomain
internal-azeus-bananarepublicfactory.live.prod.gapfactory.ca 2 2026-05-26 2026-06-02 nxdomain
secure-internal-azeus-bananarepublicfactory.live.prod.gapfactory.ca 2 2026-05-26 2026-06-02 nxdomain
origin-azeus-bananarepublicfactory.live.prod.gapfactory.ca 2 2026-05-26 2026-06-02 ok
secure-origin-azeus-bananarepublicfactory.live.prod.gapfactory.ca 2 2026-05-26 2026-06-02 ok
azeus-www.live.gapfactory.ca 2 2026-05-26 2026-06-02 nxdomain
zeus-bananarepublicfactory.live.gapfactory.ca 2 2026-05-26 2026-06-02 nxdomain
origin-azeus-bananarepublicfactory.live.gapfactory.ca 2 2026-05-26 2026-06-02 nxdomain
auth.gapfactory.ca 7 2026-05-18 2026-09-25 nxdomain
stage.auth.gapfactory.ca 7 2026-04-15 2026-09-25 nxdomain
api.gapfactory.ca 10 2026-01-13 2026-09-25 ok
stage.api.gapfactory.ca 7 2025-07-08 2026-08-27 ok
cloud.email.gapfactory.ca 4 2025-09-18 2026-08-10 ok
image.email.gapfactory.ca 8 2025-09-18 2026-05-11 ok
click.email.gapfactory.ca 3 2025-09-18 2026-08-05 ok
view.email.gapfactory.ca 2 2025-09-18 2026-08-04 ok
securemetrics.gapfactory.ca 3 2026-05-01 2026-08-26 ok
content.gapfactory.ca 2 2026-03-05 2026-03-05 ok
www.gapfactory.ca 5 2026-05-01 2026-08-26 ok
secure-www.gapfactory.ca 5 2026-05-01 2026-08-26 ok
bananarepublicfactory.gapfactory.ca 5 2026-05-01 2026-08-26 ok
secure-bananarepublicfactory.gapfactory.ca 5 2026-05-01 2026-08-26 ok

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