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.

33 hosts · 338 ms

HostCertsFirst seenLast seenDNS
hemmings.com 7 2025-08-27 2026-08-17 ok
*.hemmings.com 11 2025-06-13 2026-08-17 —
*.review-php71.hemmings.com 2 2026-04-29 2026-09-29 —
*.auctions-review-ec2.hemmings.com 3 2025-09-22 2026-08-22 —
store.hemmings.com 2 2026-07-07 2026-07-07 ok
*.store.hemmings.com 2 2026-07-07 2026-07-07 —
*.staging.hemmings.com 5 2025-10-23 2026-09-22 —
connect.staging.hemmings.com 10 2026-05-07 2026-09-02 ok
pay.staging.hemmings.com 2 2025-07-01 2026-06-01 ok
ai.hemmings.com 2 2025-07-29 2026-06-29 ok
api.hemmings.com 16 2026-05-04 2026-08-31 ok
click.hemmings.com 6 2026-05-07 2026-09-02 ok
email.hemmings.com 8 2026-04-24 2026-08-20 ok
coder.hemmings.com 2 2025-07-14 2026-06-14 ok
*.coder.hemmings.com 4 2025-07-31 2026-10-04 —
stories.hemmings.com 5 2026-04-30 2026-09-01 ok
events.hemmings.com 8 2026-04-12 2026-08-09 ok
connect.hemmings.com 6 2026-05-07 2026-09-02 ok
linkst.hemmings.com 4 2026-04-11 2026-08-09 ok
sftp-dev.hemmings.com 1 2025-08-26 2025-08-26 ok
coder-dev.hemmings.com 2 2025-08-06 2026-07-07 ok
*.coder-dev.hemmings.com 2 2025-11-03 2026-10-04 —
*.dev.hemmings.com 7 2025-09-02 2026-09-22 —
*.auctions-review.hemmings.com 1 2025-10-06 2025-10-06 —
*.review.hemmings.com 4 2025-07-30 2026-06-30 —
*.php80.review.hemmings.com 1 2025-12-24 2025-12-24 —
*.php73.review.hemmings.com 2 2025-07-21 2026-06-20 —
*.php84.review.hemmings.com 3 2026-03-25 2026-08-25 —
*.php85.review.hemmings.com 1 2026-09-28 2026-09-28 —
*.blog.review.hemmings.com 2 2025-07-31 2026-06-29 —
www.hemmings.com 14 2026-05-04 2026-08-30 ok
pay.hemmings.com 2 2025-07-01 2026-06-01 ok
community.hemmings.com 2 2026-05-29 2026-05-29 nxdomain

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