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.

100 hosts (first page) · 442 ms

HostCertsFirst seenLast seenDNS
roxtec.com 10 2026-05-07 2026-09-02 ok
*.roxtec.com 4 2026-06-01 2026-06-01 —
epi12.roxtec.com 10 2026-05-01 2026-08-27 ok
content.signup.epi12.roxtec.com 12 2026-04-30 2026-08-26 ok
content.my.epi12.roxtec.com 8 2026-04-29 2026-08-25 ok
beta.roxtec.com 13 2026-04-18 2026-08-14 ok
web.roxtec.com 3 2026-05-29 2026-09-13 ok
rtcweb.roxtec.com 5 2026-04-28 2026-10-07 ok
static.rtcweb.roxtec.com 5 2026-04-30 2026-10-06 ok
dev.rtcweb.roxtec.com 6 2026-04-28 2026-10-03 ok
static.dev.rtcweb.roxtec.com 3 2026-05-19 2026-09-04 ok
rtb.roxtec.com 3 2026-05-07 2026-08-24 ok
ca.rtb.roxtec.com 4 2026-05-01 2026-08-17 ok
test.rtb.roxtec.com 5 2026-04-30 2026-10-04 ok
dev.rtb.roxtec.com 5 2026-04-21 2026-09-28 ok
transitbuild.roxtec.com 5 2026-04-28 2026-10-06 ok
ca.transitbuild.roxtec.com 5 2026-04-24 2026-10-06 ok
test.transitbuild.roxtec.com 5 2026-04-25 2026-10-06 ok
dev.transitbuild.roxtec.com 4 2026-04-22 2026-09-29 ok
rtd.roxtec.com 3 2026-05-07 2026-08-26 ok
ca.rtd.roxtec.com 6 2026-04-27 2026-10-07 ok
static.rtd.roxtec.com 3 2026-05-02 2026-08-17 ok
test.rtd.roxtec.com 3 2026-05-05 2026-08-24 ok
dev.rtd.roxtec.com 4 2026-04-22 2026-09-30 ok
static.dev.rtd.roxtec.com 3 2026-05-18 2026-09-01 ok
backoffice.roxtec.com 1 2026-09-08 2026-09-08 ok
3dcadservice.roxtec.com 3 2026-05-18 2026-09-01 ok
dev.3dcadservice.roxtec.com 4 2026-04-30 2026-10-06 ok
rtd-standalone.roxtec.com 5 2026-04-30 2026-10-07 nodata
dev.rtd-standalone.roxtec.com 6 2026-04-21 2026-10-01 ok
transitoperate.roxtec.com 5 2026-04-25 2026-10-03 ok
ca.transitoperate.roxtec.com 4 2026-05-03 2026-08-20 ok
test.transitoperate.roxtec.com 3 2026-05-03 2026-08-18 ok
dev.transitoperate.roxtec.com 3 2026-04-28 2026-08-15 ok
saleslofttracking.roxtec.com 1 2026-08-24 2026-08-24 ok
test.epi.roxtec.com 8 2026-04-30 2026-08-26 ok
dev.epi.roxtec.com 12 2026-04-29 2026-08-25 ok
gtm.roxtec.com 3 2026-05-18 2026-09-01 ok
design.roxtec.com 1 2026-10-01 2026-10-01 ok
login.roxtec.com 13 2026-06-07 2026-10-03 ok
auth0-admin.roxtec.com 3 2026-05-06 2026-08-27 ok
dev.auth0-admin.roxtec.com 3 2026-05-01 2026-08-19 ok
go.roxtec.com 8 2026-04-26 2026-08-22 ok
goto.roxtec.com 12 2026-04-24 2026-08-21 ok
rto.roxtec.com 3 2026-04-28 2026-08-15 ok
ca.rto.roxtec.com 3 2026-05-04 2026-08-23 ok
test.rto.roxtec.com 6 2026-04-23 2026-09-30 ok
dev.rto.roxtec.com 5 2026-04-20 2026-10-02 ok
signup.roxtec.com 8 2026-04-25 2026-10-04 ok
old.signup.roxtec.com 3 2026-04-29 2026-08-13 ok
content.signup.roxtec.com 11 2026-05-21 2026-09-16 ok
dev.signup.roxtec.com 5 2026-04-24 2026-10-05 ok
api.content-publisher.roxtec.com 4 2026-05-30 2026-09-17 ok
cdn.content-publisher.roxtec.com 5 2026-04-18 2026-09-30 ok
transitdesigner.roxtec.com 3 2026-04-28 2026-08-18 ok
ca.transitdesigner.roxtec.com 6 2026-04-26 2026-10-02 ok
test.transitdesigner.roxtec.com 3 2026-04-30 2026-08-17 ok
dev.transitdesigner.roxtec.com 4 2026-04-26 2026-10-03 ok
roxteclabs.roxtec.com 3 2026-05-03 2026-08-17 ok
ds.roxtec.com 1 2026-09-21 2026-09-21 ok
ais.roxtec.com 2 2026-02-23 2026-06-15 ok
epi12.test.roxtec.com 9 2026-06-02 2026-09-28 ok
content.signup.epi12.test.roxtec.com 11 2026-06-03 2026-09-29 ok
content.my.epi12.test.roxtec.com 11 2026-06-02 2026-09-28 ok
web.test.roxtec.com 3 2026-05-19 2026-09-02 ok
backoffice.test.roxtec.com 1 2026-09-08 2026-09-08 ok
login.test.roxtec.com 10 2026-04-24 2026-08-21 ok
signup.test.roxtec.com 3 2026-04-28 2026-08-18 ok
content.signup.test.roxtec.com 8 2026-04-29 2026-08-25 ok
api.content-publisher.test.roxtec.com 5 2026-04-13 2026-09-21 ok
cdn.content-publisher.test.roxtec.com 3 2026-05-27 2026-09-15 ok
punchout.test.roxtec.com 5 2026-04-27 2026-10-04 ok
content.punchout.test.roxtec.com 8 2026-04-24 2026-08-20 ok
checkout.test.roxtec.com 3 2026-05-01 2026-08-20 ok
content.checkout.test.roxtec.com 6 2026-04-22 2026-08-18 ok
my.test.roxtec.com 5 2026-04-23 2026-10-04 ok
admin.my.test.roxtec.com 2 2026-06-23 2026-08-17 ok
content.my.test.roxtec.com 10 2026-04-19 2026-08-15 ok
punchout.roxtec.com 3 2026-05-08 2026-08-25 ok
content.punchout.roxtec.com 10 2026-04-19 2026-08-15 ok
checkout.roxtec.com 6 2026-04-22 2026-10-01 ok
content.checkout.roxtec.com 8 2026-04-23 2026-08-19 ok
epi12.dev.roxtec.com 14 2026-06-02 2026-09-28 ok
content.signup.epi12.dev.roxtec.com 13 2026-06-03 2026-09-29 ok
content.my.epi12.dev.roxtec.com 9 2026-06-01 2026-09-27 ok
web.dev.roxtec.com 3 2026-04-26 2026-08-14 ok
backoffice.dev.roxtec.com 1 2026-09-08 2026-09-08 ok
login.dev.roxtec.com 10 2026-04-24 2026-08-21 ok
signup.dev.roxtec.com 3 2026-06-03 2026-09-20 ok
content.signup.dev.roxtec.com 10 2026-04-28 2026-08-24 ok
api.content-publisher.dev.roxtec.com 5 2026-04-19 2026-10-01 ok
cdn.content-publisher.dev.roxtec.com 4 2026-05-26 2026-09-13 ok
punchout.dev.roxtec.com 3 2026-04-30 2026-08-17 ok
content.punchout.dev.roxtec.com 8 2026-04-19 2026-08-16 ok
checkout.dev.roxtec.com 6 2026-04-22 2026-10-01 ok
content.checkout.dev.roxtec.com 10 2026-04-23 2026-08-20 ok
my.dev.roxtec.com 5 2026-04-19 2026-09-29 ok
content.my.dev.roxtec.com 9 2026-04-17 2026-08-13 ok
www.roxtec.com 14 2026-04-18 2026-08-14 ok
my.roxtec.com 5 2026-04-24 2026-10-03 ok

Showing the first 100 hostnames — sign in with GitHub or Google to page the full list, or use the API with an API key: GET /v1/hosts/roxtec.com.

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/roxtec.com.