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.

19 hosts · 219 ms

HostCertsFirst seenLast seen
ploom.ua 29 2026-05-24 2026-09-19
*.ploom.ua 11 2026-05-24 2026-09-19
eva.ploom.ua 17 2026-05-08 2026-09-03
gcc.ploom.ua 5 2026-04-29 2026-08-27
m1.mail.ploom.ua 10 2026-05-01 2026-08-27
res1.mail.ploom.ua 16 2026-04-30 2026-08-26
t1.mail.ploom.ua 12 2026-04-30 2026-08-26
res5.mail.ploom.ua 12 2026-05-23 2026-09-19
t5.mail.ploom.ua 13 2026-05-22 2026-09-18
m6.mail.ploom.ua 16 2026-05-22 2026-09-18
res6.mail.ploom.ua 10 2026-05-22 2026-09-17
t6.mail.ploom.ua 18 2026-05-22 2026-09-17
retail.ploom.ua 1 2026-04-23 2026-04-23
order.ploom.ua 14 2026-06-06 2026-10-02
plus.ploom.ua 1 2025-07-18 2025-07-18
order-ru.ploom.ua 16 2026-06-07 2026-10-03
www.ploom.ua 16 2026-05-29 2026-09-24
x.ploom.ua 5 2026-05-15 2026-09-13
privacy.ploom.ua 16 2026-06-03 2026-09-29

Programmatic access: API GET /v1/hosts/ploom.ua (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/ploom.ua.