Find every subdomain
of a domain.

Every hostname under a domain that ever appeared in a public TLS certificate — with certificate counts and first/last seen dates.

48 hosts · 294 ms

HostCertsFirst seenLast seen
lexington1.net 46 2025-06-11 2026-09-03
*.lexington1.net 28 2025-06-11 2026-06-15
tcc.lexington1.net 12 2026-05-08 2026-09-03
ltc.lexington1.net 12 2026-05-07 2026-09-02
adult-ed.lexington1.net 12 2026-04-15 2026-10-09
id.lexington1.net 1 2026-03-02 2026-03-02
www.id.lexington1.net 1 2026-03-02 2026-03-02
auth.lexington1.net 5 2025-08-07 2026-09-04
www.auth.lexington1.net 4 2025-08-07 2026-09-04
lowl.lexington1.net 3 2025-09-21 2026-08-02
fsn.lexington1.net 3 2025-09-21 2026-08-02
hr.lexington1.net 4 2026-03-27 2026-08-22
aes.lexington1.net 4 2026-03-27 2026-08-22
rbes.lexington1.net 10 2026-05-08 2026-09-03
ces.lexington1.net 20 2026-05-07 2026-09-03
rces.lexington1.net 12 2026-05-08 2026-09-03
des.lexington1.net 12 2026-05-07 2026-09-02
ges.lexington1.net 12 2026-05-07 2026-09-02
mges.lexington1.net 10 2026-05-08 2026-09-03
oges.lexington1.net 12 2026-05-08 2026-09-03
sges.lexington1.net 16 2026-05-08 2026-09-03
phes.lexington1.net 16 2026-05-08 2026-09-03
wkes.lexington1.net 14 2026-05-08 2026-09-03
les.lexington1.net 17 2026-05-08 2026-09-03
sles.lexington1.net 17 2026-05-08 2026-09-03
mes.lexington1.net 16 2026-05-08 2026-09-03
lmes.lexington1.net 20 2026-05-08 2026-09-03
pes.lexington1.net 16 2026-05-08 2026-09-03
fpes.lexington1.net 16 2026-05-08 2026-09-03
npes.lexington1.net 20 2026-05-08 2026-09-03
cses.lexington1.net 13 2026-05-07 2026-09-03
rbhs.lexington1.net 17 2026-05-08 2026-09-03
ghs.lexington1.net 12 2026-05-07 2026-09-02
wkhs.lexington1.net 13 2026-05-08 2026-09-03
lhs.lexington1.net 22 2026-05-08 2026-09-03
phs.lexington1.net 17 2026-05-07 2026-09-02
bms.lexington1.net 13 2026-05-07 2026-09-02
gms.lexington1.net 14 2026-05-07 2026-09-03
mgms.lexington1.net 16 2026-05-07 2026-09-02
phms.lexington1.net 19 2026-05-08 2026-09-03
wkms.lexington1.net 19 2026-05-08 2026-09-04
lms.lexington1.net 14 2026-05-08 2026-09-03
pms.lexington1.net 14 2026-05-08 2026-09-04
csms.lexington1.net 16 2026-05-07 2026-09-02
assist.lexington1.net 10 2026-05-11 2026-09-28
www.lexington1.net 12 2026-05-08 2026-09-03
pay.lexington1.net 1 2026-04-24 2026-04-24
www.pay.lexington1.net 1 2026-04-24 2026-04-24

Programmatic access: API GET /v1/hosts/lexington1.net (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/lexington1.net.