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.

30 hosts · 318 ms

HostCertsFirst seenLast seen
lolipop.jp 1 2026-04-13 2026-04-13
*.lolipop.jp 6 2026-04-13 2026-08-28
ztna.lolipop.jp 1 2026-06-18 2026-06-18
*.ztna.lolipop.jp 3 2026-06-18 2026-08-17
alb.ztna.lolipop.jp 1 2026-06-17 2026-06-17
flowlog.ztna.lolipop.jp 1 2026-10-08 2026-10-08
oauth.ztna.lolipop.jp 1 2026-06-17 2026-06-17
pkgs.ztna.lolipop.jp 1 2026-06-18 2026-06-18
support.ztna.lolipop.jp 4 2026-07-09 2026-08-20
1a.relay.ztna.lolipop.jp 6 2026-06-23 2026-08-29
1c.relay.ztna.lolipop.jp 6 2026-06-23 2026-08-29
1d.relay.ztna.lolipop.jp 6 2026-06-23 2026-08-29
mc.lolipop.jp 1 2026-04-13 2026-04-13
*.mc.lolipop.jp 1 2026-04-13 2026-04-13
maintenance.mc.lolipop.jp 9 2026-04-19 2026-09-16
support.mc.lolipop.jp 8 2026-05-08 2026-08-20
hub-engage.lolipop.jp 22 2026-05-24 2026-09-19
deploy-staging.lolipop.jp 1 2026-06-09 2026-06-09
*.deploy-staging.lolipop.jp 1 2026-06-09 2026-06-09
a8clk.lolipop.jp 7 2026-05-18 2026-09-13
support.vpn.lolipop.jp 8 2026-05-08 2026-08-20
affitown.lolipop.jp 1 2026-01-15 2026-01-15
backup.lolipop.jp 2 2026-04-01 2026-10-05
support.server.lolipop.jp 8 2026-05-08 2026-08-20
subscription-homepage-contact.lolipop.jp 8 2026-05-08 2026-08-20
support.lolipop.jp 8 2026-05-08 2026-08-20
ai-gateway.lolipop.jp 1 2026-08-18 2026-08-18
support.ai-gateway.lolipop.jp 3 2026-08-17 2026-08-20
deploy.lolipop.jp 1 2026-06-19 2026-06-19
*.deploy.lolipop.jp 2 2026-06-08 2026-06-19

Programmatic access: API GET /v1/hosts/lolipop.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/lolipop.jp.