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.

50 hosts · 377 ms

HostCertsFirst seenLast seenDNS
wnj.com 31 2025-10-14 2026-09-29 ok
*.wnj.com 9 2026-04-06 2026-09-29 —
zoomsbc.wnj.com 2 2026-03-17 2026-08-31 nxdomain
www.zoomsbc.wnj.com 2 2026-03-17 2026-08-31 nxdomain
workload.wnj.com 6 2026-07-27 2026-09-30 ok
wildcard.wnj.com 4 2026-06-23 2026-07-06 nxdomain
share.wnj.com 2 2026-07-28 2026-07-28 ok
draftwise.wnj.com 2 2026-07-27 2026-07-27 nxdomain
remote.wnj.com 3 2026-07-28 2026-09-26 ok
vote.wnj.com 9 2026-07-08 2026-09-22 ok
billing.wnj.com 3 2026-07-28 2026-09-26 ok
outlook.wnj.com 1 2026-05-24 2026-05-24 ok
www.outlook.wnj.com 1 2026-05-24 2026-05-24 nxdomain
clientportal.wnj.com 49 2025-07-10 2026-10-05 ok
warnertm.wnj.com 6 2026-06-19 2026-08-18 ok
admin.wnj.com 16 2026-05-06 2026-09-01 ok
communication.wnj.com 1 2025-12-28 2025-12-28 ok
fs.wnj.com 1 2026-02-07 2026-02-07 nodata
*.fs.wnj.com 1 2026-02-07 2026-02-07 —
imanage.fs.wnj.com 8 2026-05-22 2026-09-20 ok
www.imanage.fs.wnj.com 1 2026-05-22 2026-05-22 nxdomain
draftwise.fs.wnj.com 1 2026-01-13 2026-01-13 ok
www.draftwise.fs.wnj.com 1 2026-01-13 2026-01-13 nxdomain
adfs.fs.wnj.com 2 2025-11-15 2026-01-16 ok
www.adfs.fs.wnj.com 1 2025-11-15 2025-11-15 nxdomain
imanageapps.fs.wnj.com 6 2025-09-07 2026-08-17 ok
www.imanageapps.fs.wnj.com 3 2025-09-07 2026-07-18 nxdomain
adfs.wnj.com 1 2026-01-16 2026-01-16 ok
www.adfs.wnj.com 1 2026-01-16 2026-01-16 nxdomain
webtms.wnj.com 11 2026-06-19 2026-09-18 ok
communications.wnj.com 2 2025-11-20 2025-12-28 ok
www.communications.wnj.com 1 2025-11-20 2025-11-20 nxdomain
mta-sts.wnj.com 1 2026-06-17 2026-06-17 ok
extranet.wnj.com 1 2026-10-06 2026-10-06 ok
wnjnet.wnj.com 3 2026-04-06 2026-09-20 nodata
*.wnjnet.wnj.com 3 2026-04-06 2026-09-20 —
grvideo01.wnjnet.wnj.com 3 2026-08-13 2026-09-30 nxdomain
detvideo01.wnjnet.wnj.com 1 2026-08-13 2026-08-13 nxdomain
esx7605.wnjnet.wnj.com 1 2026-08-25 2026-08-25 nxdomain
esx7606.wnjnet.wnj.com 1 2026-08-25 2026-08-25 nxdomain
esx7607.wnjnet.wnj.com 1 2026-08-25 2026-08-25 nxdomain
postal.wnjnet.wnj.com 2 2026-07-14 2026-07-14 nodata
mx.postal.wnjnet.wnj.com 4 2026-07-14 2026-07-14 ok
daniel.wnjnet.wnj.com 3 2026-07-24 2026-09-22 nxdomain
letsencrypt.wnjnet.wnj.com 3 2026-07-24 2026-09-22 nxdomain
speetest.wnjnet.wnj.com 2 2026-07-28 2026-07-28 nxdomain
exponent.wnj.com 3 2026-08-31 2026-08-31 ok
webtmstest.wnj.com 1 2026-06-19 2026-06-19 nxdomain
www.wnj.com 17 2025-10-14 2026-08-19 ok
clientpay.wnj.com 3 2026-07-23 2026-09-21 ok

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