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.

51 hosts · 388 ms

HostCertsFirst seenLast seenDNS
tfin.com 5 2026-03-03 2026-08-08 ok
vpn-gw-1.tfin.com 6 2025-09-27 2026-09-23 ok
mydesktop-gw-scus-01.tfin.com 2 2026-03-03 2026-03-03 ok
txvdiuage01.tfin.com 1 2026-03-20 2026-03-20 nodata
txvdiuagi01.tfin.com 1 2026-03-20 2026-03-20 nodata
uagdal1.tfin.com 1 2026-02-12 2026-02-12 nxdomain
uagalt1.tfin.com 1 2026-02-12 2026-02-12 nxdomain
vpn-gw-2.tfin.com 6 2025-09-27 2026-09-23 ok
mydesktop-gw-scus-02.tfin.com 2 2026-03-03 2026-03-03 nodata
txvdiuage02.tfin.com 1 2026-03-20 2026-03-20 nodata
txvdiuagi02.tfin.com 1 2026-03-20 2026-03-20 nodata
uagdal2.tfin.com 1 2026-02-12 2026-02-12 nxdomain
uagalt2.tfin.com 1 2026-02-12 2026-02-12 nxdomain
txvdiuage03.tfin.com 1 2026-03-20 2026-03-20 nodata
uagdal3.tfin.com 1 2026-02-12 2026-02-12 nxdomain
uagalt3.tfin.com 1 2026-02-12 2026-02-12 nxdomain
txvdiuage04.tfin.com 1 2026-03-20 2026-03-20 nodata
prisma.tfin.com 5 2026-04-03 2026-10-02 ok
www.prisma.tfin.com 5 2026-04-03 2026-10-02 nxdomain
originations.qa.tfin.com 1 2026-01-14 2026-01-14 ok
www.originations.qa.tfin.com 1 2026-01-14 2026-01-14 ok
cxhub.tfin.com 5 2026-05-20 2026-09-18 ok
stg-cxhub.tfin.com 5 2026-05-20 2026-09-18 ok
hybrid.tfin.com 3 2026-04-08 2026-09-22 nxdomain
extsyslog.tfin.com 1 2026-03-19 2026-03-19 ok
www.extsyslog.tfin.com 1 2026-03-19 2026-03-19 nxdomain
freshdesk.tfin.com 17 2026-05-14 2026-09-10 ok
uagdal.tfin.com 1 2026-02-12 2026-02-12 nxdomain
www.uagdal.tfin.com 1 2026-02-12 2026-02-12 nxdomain
mail.tfin.com 3 2026-04-08 2026-09-22 nxdomain
www.mail.tfin.com 3 2026-04-08 2026-09-22 nxdomain
vpn.tfin.com 6 2025-09-27 2026-09-23 ok
www.vpn.tfin.com 6 2025-09-27 2026-09-23 nxdomain
otto.tfin.com 1 2026-01-12 2026-01-12 ok
desktop.tfin.com 1 2026-03-20 2026-03-20 ok
mydesktop.tfin.com 1 2026-03-03 2026-03-03 ok
autodiscover.tfin.com 3 2026-04-08 2026-09-22 ok
mr.tfin.com 3 2026-04-08 2026-09-22 nxdomain
jobs.tfin.com 4 2026-03-22 2026-08-17 ok
originations.tfin.com 1 2026-01-14 2026-01-14 ok
www.originations.tfin.com 1 2026-01-14 2026-01-14 ok
originations.uat.tfin.com 1 2026-01-14 2026-01-14 servfail
www.originations.uat.tfin.com 1 2026-01-14 2026-01-14 servfail
connect.tfin.com 2 2026-02-12 2026-03-20 nodata
uagalt.tfin.com 1 2026-02-12 2026-02-12 nxdomain
consent.tfin.com 4 2025-10-02 2026-09-02 ok
*.consent.tfin.com 2 2025-10-02 2026-09-02 —
oktatest.tfin.com 2 2026-05-11 2026-05-11 ok
originations.dev.tfin.com 1 2026-01-14 2026-01-14 ok
www.originations.dev.tfin.com 1 2026-01-14 2026-01-14 ok
www.tfin.com 1 2026-04-07 2026-04-07 nxdomain

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