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.

22 hosts · 365 ms

HostCertsFirst seenLast seenDNS
abacusintel.com 59 2026-03-28 2026-10-02 ok
*.abacusintel.com 14 2026-06-05 2026-10-02 —
stg.abacusintel.com 10 2026-04-10 2026-08-12 ok
*.stg.abacusintel.com 8 2026-04-16 2026-08-12 —
apistg.abacusintel.com 5 2026-04-10 2026-09-30 ok
adminstg.abacusintel.com 3 2026-06-17 2026-07-17 ok
www.adminstg.abacusintel.com 2 2026-06-17 2026-06-17 nxdomain
api.abacusintel.com 6 2026-04-10 2026-08-22 ok
track.sl.abacusintel.com 7 2026-04-28 2026-08-26 ok
admin.abacusintel.com 3 2026-07-07 2026-07-20 ok
stg-test-mverify-admin.abacusintel.com 1 2026-07-16 2026-07-16 nxdomain
www.admin.abacusintel.com 2 2026-07-07 2026-07-07 nxdomain
app.abacusintel.com 10 2026-04-10 2026-09-04 ok
*.app.abacusintel.com 8 2026-05-09 2026-09-04 —
dev.abacusintel.com 14 2026-04-10 2026-08-20 ok
*.dev.abacusintel.com 12 2026-04-20 2026-08-20 —
apidev.abacusintel.com 4 2026-04-10 2026-08-09 ok
newdev.abacusintel.com 2 2026-04-13 2026-04-13 nxdomain
*.newdev.abacusintel.com 2 2026-04-13 2026-04-13 —
www.abacusintel.com 5 2026-03-30 2026-08-11 ok
hotfix.abacusintel.com 8 2026-06-04 2026-08-06 ok
*.hotfix.abacusintel.com 8 2026-06-04 2026-08-06 —

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