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.

52 hosts · 340 ms

HostCertsFirst seenLast seenDNS
postmanlaw.com 9 2026-04-10 2026-08-13 ok
hub.postmanlaw.com 2 2026-03-02 2026-07-15 ok
case-hub.postmanlaw.com 1 2026-06-16 2026-06-16 ok
va.stage.postmanlaw.com 1 2026-04-10 2026-04-10 nxdomain
hub.stage.postmanlaw.com 2 2026-02-25 2026-07-06 ok
case-hub.stage.postmanlaw.com 1 2026-06-11 2026-06-11 ok
kp-salesforce-bff.stage.postmanlaw.com 2 2026-03-06 2026-07-18 ok
landing.stage.postmanlaw.com 4 2026-04-21 2026-08-29 ok
api.stage.postmanlaw.com 2 2026-02-25 2026-07-05 ok
storybook.stage.postmanlaw.com 2 2026-03-17 2026-07-28 ok
referral.stage.postmanlaw.com 2 2026-08-28 2026-08-28 ok
form.stage.postmanlaw.com 2 2026-02-25 2026-07-06 ok
communication.stage.postmanlaw.com 2 2026-02-25 2026-07-05 ok
form-builder.stage.postmanlaw.com 2 2026-02-25 2026-07-05 ok
api.developer.stage.postmanlaw.com 2 2026-02-25 2026-07-05 ok
records.stage.postmanlaw.com 2 2026-03-04 2026-07-17 ok
campaigns.stage.postmanlaw.com 2 2026-02-25 2026-07-05 ok
case-management.stage.postmanlaw.com 3 2026-05-16 2026-10-02 ok
document-review.stage.postmanlaw.com 2 2026-02-25 2026-07-06 ok
seriousinjury.stage.postmanlaw.com 4 2026-05-08 2026-09-20 ok
kp-salesforce-bff.postmanlaw.com 2 2026-03-05 2026-07-17 ok
landing.postmanlaw.com 5 2026-04-23 2026-08-30 ok
api.postmanlaw.com 2 2026-02-25 2026-07-05 ok
form.postmanlaw.com 2 2026-02-26 2026-07-06 ok
communication.postmanlaw.com 2 2026-03-02 2026-07-14 ok
form-builder.postmanlaw.com 2 2026-03-03 2026-07-16 ok
api.developer.postmanlaw.com 2 2026-02-25 2026-07-06 ok
docs.postmanlaw.com 4 2026-05-06 2026-09-16 ok
records.postmanlaw.com 3 2026-05-04 2026-09-11 ok
campaigns.postmanlaw.com 2 2026-03-02 2026-07-14 ok
mta-sts.postmanlaw.com 1 2025-12-29 2025-12-29 ok
mta-sts.news.postmanlaw.com 1 2025-06-26 2025-06-26 nxdomain
case-management.postmanlaw.com 2 2026-01-14 2026-06-11 ok
hub.dev.postmanlaw.com 2 2026-02-25 2026-07-01 ok
case-hub.dev.postmanlaw.com 3 2026-04-01 2026-08-11 ok
landing-page.dev.postmanlaw.com 1 2026-04-08 2026-04-08 nxdomain
kp-salesforce-bff.dev.postmanlaw.com 2 2026-02-25 2026-07-05 ok
api.dev.postmanlaw.com 2 2026-02-25 2026-07-05 ok
storybook.dev.postmanlaw.com 2 2026-03-17 2026-07-27 ok
referral.dev.postmanlaw.com 2 2026-08-27 2026-08-27 ok
form.dev.postmanlaw.com 2 2026-02-25 2026-07-05 ok
communication.dev.postmanlaw.com 2 2026-02-25 2026-07-06 ok
form-builder.dev.postmanlaw.com 2 2026-02-25 2026-07-05 ok
api.developer.dev.postmanlaw.com 2 2026-02-25 2026-07-05 ok
records.dev.postmanlaw.com 2 2026-03-04 2026-07-17 ok
campaigns.dev.postmanlaw.com 2 2026-02-25 2026-07-05 ok
case-management.dev.postmanlaw.com 3 2026-05-20 2026-10-02 ok
document-review.dev.postmanlaw.com 2 2026-02-25 2026-07-06 ok
document-review.postmanlaw.com 2 2026-03-02 2026-07-14 ok
www.postmanlaw.com 9 2026-04-10 2026-08-13 ok
pay.postmanlaw.com 4 2026-04-02 2026-09-18 ok
www.pay.postmanlaw.com 4 2026-04-02 2026-09-18 nxdomain

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