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.

44 hosts · 363 ms

HostCertsFirst seenLast seenDNS
getfreewrite.com 57 2026-05-08 2026-09-28 ok
*.getfreewrite.com 13 2025-07-04 2026-09-17 —
service2.getfreewrite.com 3 2026-04-17 2026-06-18 nxdomain
alpha-ota.getfreewrite.com 5 2026-05-09 2026-08-21 ok
static.getfreewrite.com 2 2025-09-01 2026-08-02 ok
service-old.getfreewrite.com 8 2026-04-11 2026-06-09 nxdomain
service.getfreewrite.com 6 2026-04-10 2026-08-12 ok
valentine.getfreewrite.com 9 2026-06-01 2026-10-05 ok
store.getfreewrite.com 15 2026-05-15 2026-09-25 ok
wtf.getfreewrite.com 4 2026-04-15 2026-08-17 ok
*.staging.getfreewrite.com 2 2025-06-09 2026-05-10 —
backend.services.staging.getfreewrite.com 4 2026-05-14 2026-07-13 nxdomain
client.services.staging.getfreewrite.com 4 2026-05-14 2026-07-13 nxdomain
imgproxy.services.staging.getfreewrite.com 4 2026-05-14 2026-07-13 nxdomain
track.getfreewrite.com 10 2026-05-28 2026-09-23 ok
trk.getfreewrite.com 7 2026-07-23 2026-09-20 ok
reservation.getfreewrite.com 11 2026-06-01 2026-07-30 ok
mender4.services.production.getfreewrite.com 2 2026-08-02 2026-08-02 ok
backend.services.production.getfreewrite.com 3 2026-06-06 2026-08-05 ok
mender.services.production.getfreewrite.com 3 2026-06-07 2026-08-06 ok
flower.services.production.getfreewrite.com 3 2026-06-06 2026-08-05 ok
client.services.production.getfreewrite.com 3 2026-06-06 2026-08-05 ok
imgproxy.services.production.getfreewrite.com 3 2026-06-06 2026-08-05 ok
mcp.getfreewrite.com 4 2026-07-23 2026-09-20 ok
*.mcp.getfreewrite.com 4 2026-07-23 2026-09-20 —
wordrunner.getfreewrite.com 5 2026-05-05 2026-08-28 ok
developer.getfreewrite.com 4 2026-05-14 2026-07-13 nxdomain
sprinter.getfreewrite.com 3 2026-07-17 2026-09-16 ok
staging.sprinter.getfreewrite.com 4 2026-06-03 2026-10-05 ok
api.staging.sprinter.getfreewrite.com 2 2026-09-25 2026-09-25 ok
*.api.staging.sprinter.getfreewrite.com 2 2026-09-25 2026-09-25 —
updates.getfreewrite.com 12 2026-06-02 2026-09-28 ok
*.updates.getfreewrite.com 10 2026-06-02 2026-09-28 —
forms.getfreewrite.com 1 2026-08-13 2026-08-13 ok
account.getfreewrite.com 15 2026-04-13 2026-09-26 ok
wraccount.getfreewrite.com 7 2026-04-24 2026-09-03 ok
support.getfreewrite.com 6 2026-05-03 2026-10-06 ok
www.getfreewrite.com 15 2026-05-15 2026-09-25 ok
staging.postbox.getfreewrite.com 3 2026-06-03 2026-10-04 ok
api.staging.postbox.getfreewrite.com 10 2026-05-27 2026-09-22 ok
*.api.staging.postbox.getfreewrite.com 10 2026-05-27 2026-09-22 —
api.postbox.getfreewrite.com 6 2026-07-04 2026-09-01 ok
*.api.postbox.getfreewrite.com 6 2026-07-04 2026-09-01 —
community.getfreewrite.com 4 2026-04-24 2026-06-23 nxdomain

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