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 · 403 ms

HostCertsFirst seenLast seenDNS
lawsonbank.jp 7 2025-06-24 2026-08-16 ok
*.lawsonbank.jp 6 2026-03-15 2026-08-16 —
mcst2.lawsonbank.jp 2 2026-01-26 2026-01-27 ok
mcst3.lawsonbank.jp 2 2025-12-31 2025-12-31 nodata
f.maila.lawsonbank.jp 13 2026-04-09 2026-10-04 ok
l.maila.lawsonbank.jp 10 2026-04-25 2026-08-21 ok
s.maila.lawsonbank.jp 14 2026-04-09 2026-10-05 ok
w.maila.lawsonbank.jp 16 2026-04-09 2026-10-03 ok
ib.lawsonbank.jp 3 2025-10-22 2026-02-26 ok
kaede.ib.lawsonbank.jp 1 2026-04-07 2026-04-07 ok
kamome.ib.lawsonbank.jp 1 2026-04-07 2026-04-07 ok
keyaki.ib.lawsonbank.jp 1 2026-04-07 2026-04-07 ok
yamadori.ib.lawsonbank.jp 1 2026-04-07 2026-04-07 ok
tori.ib.lawsonbank.jp 1 2026-01-27 2026-01-27 ok
icho.ib.lawsonbank.jp 1 2026-04-07 2026-04-07 ok
sankocho.ib.lawsonbank.jp 1 2026-04-07 2026-04-07 ok
hojiro.ib.lawsonbank.jp 1 2026-04-07 2026-04-07 ok
kuromatsu.ib.lawsonbank.jp 1 2026-04-07 2026-04-07 ok
f.mailb.lawsonbank.jp 10 2026-05-02 2026-08-28 ok
l.mailb.lawsonbank.jp 8 2026-04-26 2026-08-22 ok
s.mailb.lawsonbank.jp 8 2026-04-09 2026-10-03 ok
w.mailb.lawsonbank.jp 13 2026-04-09 2026-10-04 ok
vd.lawsonbank.jp 2 2025-10-22 2026-09-29 ok
dcbsk.lawsonbank.jp 3 2025-10-28 2026-09-28 ok
mcst2-backapl.lawsonbank.jp 1 2026-01-27 2026-01-27 ok
mcs-backapl.lawsonbank.jp 1 2026-05-06 2026-05-06 ok
form.lawsonbank.jp 1 2025-11-25 2025-11-25 ok
map.lawsonbank.jp 2 2026-06-26 2026-06-26 ok
dcbst-tp.lawsonbank.jp 1 2025-11-07 2025-11-07 nxdomain
faq.lawsonbank.jp 2 2026-06-18 2026-06-18 ok
dcbs-pr.lawsonbank.jp 1 2026-02-13 2026-02-13 nxdomain
dcbs.lawsonbank.jp 2 2025-09-12 2026-09-10 ok
kounaidcbs.lawsonbank.jp 1 2026-06-22 2026-06-22 nxdomain
outerdcbs.lawsonbank.jp 2 2025-09-12 2026-09-10 nxdomain
bizdcbs.lawsonbank.jp 1 2026-05-07 2026-05-07 ok
mcs.lawsonbank.jp 2 2025-10-30 2026-05-06 ok
faq-mcs.lawsonbank.jp 1 2025-10-30 2025-10-30 ok
outermcs.lawsonbank.jp 1 2025-12-04 2025-12-04 nxdomain
maps.lawsonbank.jp 2 2026-03-03 2026-08-03 ok
stg-maps.lawsonbank.jp 2 2026-03-03 2026-08-03 ok
ibt.lawsonbank.jp 3 2025-10-22 2026-02-27 ok
dcbst.lawsonbank.jp 2 2025-09-12 2026-09-10 ok
kounaidcbst.lawsonbank.jp 1 2026-06-22 2026-06-22 nxdomain
outerdcbst.lawsonbank.jp 2 2025-09-12 2026-09-10 nxdomain
bizdcbst.lawsonbank.jp 2 2026-03-06 2026-03-06 ok
outermcst.lawsonbank.jp 1 2025-09-12 2025-09-12 nxdomain
wwwt.lawsonbank.jp 2 2026-03-15 2026-08-15 ok
bizt.lawsonbank.jp 3 2025-07-03 2026-07-07 ok
www.lawsonbank.jp 3 2025-06-24 2026-07-21 ok
biz.lawsonbank.jp 3 2025-07-03 2026-07-07 ok

Programmatic access, with DNS A records: API GET /v1/hosts/lawsonbank.jp (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/lawsonbank.jp.