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.

22 hosts · 311 ms

HostCertsFirst seenLast seenDNS
restaurantware.com 19 2025-09-01 2026-10-02 ok
*.restaurantware.com 3 2025-09-01 2026-09-24 —
cw-preprod.restaurantware.com 1 2026-06-10 2026-06-10 nxdomain
*.cw-preprod.restaurantware.com 1 2026-06-10 2026-06-10 —
workdrive.restaurantware.com 10 2026-04-25 2026-08-23 ok
staging.restaurantware.com 3 2026-07-13 2026-09-10 ok
research.restaurantware.com 2 2026-01-24 2026-06-21 ok
jetfresh.restaurantware.com 15 2026-05-05 2026-09-13 ok
account-jetfresh.restaurantware.com 15 2026-05-04 2026-09-13 ok
click.restaurantware.com 10 2026-04-24 2026-08-20 ok
studio.restaurantware.com 8 2026-04-19 2026-08-18 ok
pages.restaurantware.com 4 2026-04-27 2026-06-26 ok
compass.restaurantware.com 1 2026-07-07 2026-07-07 ok
*.compass.restaurantware.com 1 2026-07-07 2026-07-07 —
account.restaurantware.com 16 2026-04-20 2026-10-04 ok
punchout.restaurantware.com 17 2026-04-20 2026-10-01 ok
dev.restaurantware.com 11 2026-04-18 2026-09-30 ok
account-dev.restaurantware.com 18 2026-04-20 2026-10-02 ok
cw.restaurantware.com 1 2026-06-22 2026-06-22 ok
*.cw.restaurantware.com 1 2026-06-22 2026-06-22 —
www.restaurantware.com 14 2026-04-18 2026-09-30 ok
max.restaurantware.com 12 2026-04-21 2026-08-17 ok

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