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.

33 hosts · 312 ms

HostCertsFirst seenLast seenDNS
drlogic.com 33 2026-05-06 2026-10-02 ok
*.drlogic.com 33 2026-05-06 2026-10-02 —
cimpdf.drlogic.com 10 2026-04-18 2026-08-15 ok
cv-workbench.drlogic.com 1 2026-07-13 2026-07-13 ok
auth.drlogic.com 1 2026-06-22 2026-06-22 ok
link.drlogic.com 5 2026-04-28 2026-09-13 ok
handbook.drlogic.com 3 2026-06-05 2026-06-21 ok
*.handbook.drlogic.com 1 2026-06-21 2026-06-21 —
dealroom.drlogic.com 1 2026-09-30 2026-09-30 ok
handbook-admin.drlogic.com 2 2026-06-05 2026-06-05 nxdomain
innovation.drlogic.com 1 2026-06-21 2026-06-21 ok
talo.drlogic.com 3 2026-07-10 2026-07-15 ok
api.talo.drlogic.com 1 2026-07-09 2026-07-09 ok
app.talo.drlogic.com 3 2026-07-09 2026-07-15 nxdomain
clip.drlogic.com 5 2026-04-30 2026-08-28 ok
voip.drlogic.com 4 2026-05-14 2026-07-30 ok
cases.msp.drlogic.com 5 2026-05-28 2026-09-25 ok
sonar.drlogic.com 1 2026-09-03 2026-09-03 ok
services.drlogic.com 2 2026-03-03 2026-07-19 ok
billing.services.drlogic.com 2 2026-03-03 2026-07-19 ok
api.services.drlogic.com 2 2026-04-01 2026-09-01 nxdomain
forecaster-api.services.drlogic.com 1 2026-08-14 2026-08-14 ok
pages.drlogic.com 7 2026-06-05 2026-08-04 ok
phones.drlogic.com 4 2026-04-14 2026-08-12 ok
proposals.drlogic.com 12 2026-04-16 2026-08-13 ok
campaigns.drlogic.com 12 2026-05-10 2026-09-06 ok
folderless.drlogic.com 1 2026-07-08 2026-07-08 ok
mspassets.drlogic.com 8 2026-04-24 2026-08-20 ok
mta-sts.drlogic.com 5 2026-06-04 2026-10-02 ok
status.drlogic.com 5 2026-06-01 2026-09-28 ok
tempest.drlogic.com 1 2026-07-01 2026-07-01 ok
api.tempest.drlogic.com 1 2026-07-01 2026-07-01 ok
academy.drlogic.com 1 2026-06-21 2026-06-21 ok

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