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.

20 hosts · 338 ms

HostCertsFirst seenLast seenDNS
memoparis.com 16 2026-05-19 2026-09-28 ok
accountusa.memoparis.com 14 2026-05-08 2026-09-17 ok
ae.memoparis.com 16 2026-05-22 2026-10-04 ok
de.memoparis.com 11 2026-05-21 2026-09-29 ok
boutique.memoparis.com 15 2026-04-15 2026-09-26 ok
training.memoparis.com 10 2026-05-02 2026-08-29 ok
ch.memoparis.com 17 2026-04-14 2026-09-26 ok
hk.memoparis.com 19 2026-05-21 2026-09-30 ok
uk.memoparis.com 17 2026-05-20 2026-09-28 ok
fr.memoparis.com 13 2026-05-23 2026-10-01 ok
qr.memoparis.com 2 2026-08-20 2026-08-20 ok
metrics.memoparis.com 4 2026-05-03 2026-08-19 ok
sales.memoparis.com 2 2026-09-07 2026-09-07 ok
orders.memoparis.com 15 2026-04-14 2026-09-25 ok
rapports.memoparis.com 3 2026-09-29 2026-09-29 ok
us.memoparis.com 16 2026-05-18 2026-09-27 ok
ss.us.memoparis.com 4 2026-05-24 2026-07-23 ok
load.ss.us.memoparis.com 16 2026-05-20 2026-07-18 ok
account.memoparis.com 11 2026-04-15 2026-08-27 ok
www.memoparis.com 12 2026-05-20 2026-09-30 ok

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