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 · 287 ms

HostCertsFirst seenLast seenDNS
xrite.com 13 2025-07-30 2026-09-04 ok
*.xrite.com 14 2025-07-21 2026-09-12 —
xr-reg-srv10.xrite.com 3 2025-07-30 2026-07-30 nxdomain
xr-reg-cmsub-01.xrite.com 3 2025-07-30 2026-07-30 nxdomain
xr-reg-uccx-01.xrite.com 3 2025-07-30 2026-07-30 nxdomain
xrgrrdc001.xrite.com 7 2025-07-14 2026-07-30 nxdomain
www.xrgrrdc001.xrite.com 7 2025-07-14 2026-07-30 nxdomain
xr-grr-srv01.xrite.com 3 2025-07-30 2026-07-30 nxdomain
xr-reg-uccx-02.xrite.com 3 2025-07-30 2026-07-30 nxdomain
xrgrrdc002.xrite.com 7 2025-07-14 2026-07-30 nxdomain
www.xrgrrdc002.xrite.com 4 2025-07-14 2026-07-14 nxdomain
xr-reg-srv06.xrite.com 3 2025-07-30 2026-07-30 nxdomain
xr-grr-srv07.xrite.com 3 2025-07-30 2026-07-30 nxdomain
xr-reg-cmpub.xrite.com 3 2025-07-30 2026-07-30 nxdomain
mcprod.xrite.com 5 2026-05-07 2026-09-04 ok
devicedashboard.xrite.com 2 2026-02-26 2026-07-14 ok
mailservice.xrite.com 2 2026-02-24 2026-07-12 ok
deviceactivationservice.xrite.com 2 2026-02-20 2026-07-08 nxdomain
www.deviceactivationservice.xrite.com 2 2026-02-20 2026-07-08 nxdomain
mcstaging.xrite.com 5 2026-05-19 2026-09-16 ok
gtm.xrite.com 2 2026-01-26 2026-02-04 ok
testgtm.xrite.com 8 2025-08-13 2026-08-12 ok
documentation.xrite.com 3 2026-06-12 2026-08-29 ok
info.xrite.com 10 2026-05-04 2026-10-01 ok
go.xrite.com 9 2026-04-19 2026-09-15 ok
gp.xrite.com 4 2026-01-07 2026-04-03 ok
www.gp.xrite.com 4 2026-01-07 2026-04-03 nodata
emeagp.xrite.com 4 2026-01-07 2026-04-03 ok
www.emeagp.xrite.com 4 2026-01-07 2026-04-03 nodata
apacgp.xrite.com 4 2026-01-07 2026-03-30 ok
www.apacgp.xrite.com 4 2026-01-07 2026-03-30 nodata
locations.xrite.com 2 2026-02-24 2026-07-12 ok
uss.xrite.com 2 2026-08-25 2026-08-25 ok
legacy-uss.xrite.com 2 2026-08-26 2026-08-26 ok
devicedashboard-uat.xrite.com 1 2025-11-15 2025-11-15 nxdomain
mailservice-uat.xrite.com 2 2026-02-27 2026-07-15 nxdomain
cart-uat.xrite.com 5 2026-05-19 2026-09-16 ok
paint-data-ingest-uat.xrite.com 2 2025-09-20 2026-08-20 ok
ccs-test.xrite.com 1 2026-01-18 2026-01-18 ok
*.ccs-test.xrite.com 1 2026-01-18 2026-01-18 —
deviceactivationservice-dev.xrite.com 1 2026-02-01 2026-02-01 nxdomain
www.deviceactivationservice-dev.xrite.com 1 2026-02-01 2026-02-01 nxdomain
www.xrite.com 5 2026-05-07 2026-09-04 ok
*.efx.xrite.com 2 2025-08-05 2026-07-04 —

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