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.

57 hosts · 356 ms

HostCertsFirst seenLast seenDNS
refurbed.com 9 2026-05-03 2026-09-03 ok
zendesk360.refurbed.com 6 2026-05-03 2026-08-20 ok
ota.refurbed.com 2 2026-09-17 2026-09-17 ok
pub.refurbed.com 3 2026-05-16 2026-09-05 ok
console.refurbed.com 6 2026-05-03 2026-08-20 ok
comqe.refurbed.com 1 2026-08-27 2026-08-27 ok
auth.refurbed.com 7 2026-06-02 2026-09-21 ok
rtdiongi.refurbed.com 3 2026-05-05 2026-08-21 ok
api.refurbed.com 6 2026-05-27 2026-09-21 ok
buyback.refurbed.com 3 2026-05-26 2026-09-13 ok
img.m.refurbed.com 14 2026-04-21 2026-08-18 ok
r.m.refurbed.com 3 2026-05-18 2026-08-06 ok
img.n.refurbed.com 10 2026-04-28 2026-08-24 ok
r.n.refurbed.com 4 2026-04-11 2026-09-18 ok
analytics-cdn.refurbed.com 3 2026-05-29 2026-09-13 ok
help.refurbed.com 5 2026-04-23 2026-08-21 ok
seller-help.refurbed.com 9 2026-04-23 2026-08-21 ok
supplier.refurbed.com 14 2026-05-21 2026-09-16 ok
qr.refurbed.com 6 2026-05-03 2026-08-20 ok
analytics.refurbed.com 1 2026-08-31 2026-08-31 ok
files.refurbed.com 6 2026-05-03 2026-08-20 ok
careers.refurbed.com 3 2026-05-19 2026-09-07 ok
business.refurbed.com 5 2026-04-15 2026-09-26 ok
press.refurbed.com 16 2026-04-23 2026-08-19 ok
sports.refurbed.com 6 2026-05-03 2026-08-20 ok
plus.refurbed.com 20 2026-04-30 2026-08-27 ok
adt.refurbed.com 4 2026-05-21 2026-07-20 ok
nachhaltigkeit.refurbed.com 6 2026-05-03 2026-08-20 ok
merchant.refurbed.com 6 2026-05-03 2026-08-20 ok
buyback-dev.refurbed.com 7 2026-04-17 2026-09-25 ok
preview.refurbed.com 12 2026-04-27 2026-09-07 ok
zendesk360-preview.refurbed.com 12 2026-04-27 2026-09-07 ok
console-preview.refurbed.com 12 2026-04-27 2026-09-07 ok
auth-preview.refurbed.com 6 2026-05-06 2026-08-24 ok
api-preview.refurbed.com 6 2026-05-14 2026-09-03 ok
seller-preview.refurbed.com 11 2026-04-27 2026-09-07 ok
qr-preview.refurbed.com 12 2026-04-27 2026-09-07 ok
files-preview.refurbed.com 12 2026-04-27 2026-09-07 ok
sports-preview.refurbed.com 12 2026-04-27 2026-09-07 ok
nachhaltigkeit-preview.refurbed.com 12 2026-04-27 2026-09-07 ok
merchant-preview.refurbed.com 12 2026-04-27 2026-09-07 ok
sustainability-preview.refurbed.com 12 2026-04-27 2026-09-07 ok
ota.preview.refurbed.com 1 2026-09-07 2026-09-07 ok
analytics-cdn.preview.refurbed.com 3 2026-05-30 2026-09-16 ok
analytics.preview.refurbed.com 1 2026-08-31 2026-08-31 ok
www.preview.refurbed.com 12 2026-04-27 2026-09-07 ok
www.refurbed.com 9 2026-05-03 2026-09-03 ok
zendesk360-sandbox.refurbed.com 3 2026-08-14 2026-08-14 ok
console-sandbox.refurbed.com 3 2026-08-14 2026-08-14 ok
auth-sandbox.refurbed.com 3 2026-08-14 2026-10-06 ok
api-sandbox.refurbed.com 2 2026-08-14 2026-08-14 ok
seller-sandbox.refurbed.com 3 2026-08-14 2026-08-14 ok
qr-sandbox.refurbed.com 3 2026-08-14 2026-08-14 ok
files-sandbox.refurbed.com 3 2026-08-14 2026-08-14 ok
merchant-sandbox.refurbed.com 3 2026-08-14 2026-08-14 ok
www.sandbox.refurbed.com 3 2026-08-14 2026-08-14 ok
sustainability.refurbed.com 6 2026-05-03 2026-08-20 ok

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