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) · 452 ms

HostCertsFirst seenLast seenDNS
guardianlife.com 7 2025-09-07 2026-09-11 ok
fca2.guardianlife.com 1 2025-11-11 2025-11-11 ok
www.fca2.guardianlife.com 1 2025-11-11 2025-11-11 nxdomain
api2.guardianlife.com 4 2025-08-26 2026-08-11 ok
www.api2.guardianlife.com 4 2025-08-26 2026-08-11 nxdomain
uat2.guardianlife.com 2 2025-07-10 2026-06-03 ok
eapp.uat2.guardianlife.com 1 2026-01-08 2026-01-08 ok
www.eapp.uat2.guardianlife.com 1 2026-01-08 2026-01-08 nxdomain
www.uat2.guardianlife.com 2 2025-07-10 2026-06-03 nxdomain
eapp.uat3.guardianlife.com 1 2026-01-08 2026-01-08 ok
www.eapp.uat3.guardianlife.com 1 2026-01-08 2026-01-08 nxdomain
eapp.uat4.guardianlife.com 20 2026-01-18 2026-09-29 ok
www.eapp.uat4.guardianlife.com 2 2026-06-24 2026-06-24 nxdomain
fca.guardianlife.com 1 2026-03-09 2026-03-09 ok
www.fca.guardianlife.com 1 2026-03-09 2026-03-09 nxdomain
apisvc.qa.guardianlife.com 1 2026-01-08 2026-01-08 ok
www.apisvc.qa.guardianlife.com 1 2026-01-08 2026-01-08 nxdomain
eappmfe.qa.guardianlife.com 2 2026-04-06 2026-09-06 nodata
group.api.qa.guardianlife.com 1 2026-02-23 2026-02-23 ok
www.group.api.qa.guardianlife.com 1 2026-02-23 2026-02-23 nxdomain
clientspecialist-ec.guardianlife.com 8 2026-05-10 2026-09-05 ok
fapapi.public.guardianlife.com 1 2026-02-19 2026-02-19 ok
www.fapapi.public.guardianlife.com 1 2026-02-19 2026-02-19 nxdomain
sc.guardianlife.com 1 2026-03-05 2026-03-05 ok
qa.sc.guardianlife.com 1 2026-03-06 2026-03-06 ok
www.qa.sc.guardianlife.com 1 2026-03-06 2026-03-06 nxdomain
www.sc.guardianlife.com 1 2026-03-05 2026-03-05 nxdomain
apisvc.guardianlife.com 26 2026-01-11 2026-09-30 ok
www.apisvc.guardianlife.com 3 2026-03-06 2026-03-06 nxdomain
cloud.guardianlife.com 3 2025-09-04 2026-08-24 ok
customerservice.guardianlife.com 3 2026-04-30 2026-09-30 ok
experience.guardianlife.com 1 2026-08-19 2026-08-19 ok
mlde.guardianlife.com 2 2025-08-22 2026-07-15 ok
www.mlde.guardianlife.com 2 2025-08-22 2026-07-15 nxdomain
eappmfe.guardianlife.com 3 2026-01-27 2026-09-06 nodata
agentmfe.guardianlife.com 1 2026-01-27 2026-01-27 nodata
dentalexchange.guardianlife.com 8 2025-08-22 2026-07-18 ok
uat.dentalexchange.guardianlife.com 47 2025-11-13 2026-09-30 ok
accounts-dev.dentalexchange.guardianlife.com 9 2026-04-16 2026-09-18 ok
www.dentalexchange.guardianlife.com 1 2026-06-26 2026-06-26 nxdomain
southlake.guardianlife.com 10 2026-05-09 2026-09-04 ok
update.guardianlife.com 16 2026-06-04 2026-09-30 ok
jamf.guardianlife.com 7 2026-03-06 2026-05-08 ok
www.jamf.guardianlife.com 7 2026-03-06 2026-05-08 nxdomain
api.guardianlife.com 24 2026-01-08 2026-09-30 ok
group.api.guardianlife.com 2 2026-03-04 2026-03-04 ok
www.group.api.guardianlife.com 2 2026-03-04 2026-03-04 nxdomain
www.api.guardianlife.com 2 2026-01-08 2026-01-08 nxdomain
mydental.guardianlife.com 8 2025-08-22 2026-07-18 ok
uat.mydental.guardianlife.com 49 2025-11-13 2026-09-30 ok
www.uat.mydental.guardianlife.com 2 2026-01-21 2026-01-21 nxdomain
www.mydental.guardianlife.com 8 2025-08-22 2026-07-18 nxdomain
clientspecialist-el.guardianlife.com 8 2026-05-09 2026-09-04 ok
clientspecialist-tl.guardianlife.com 10 2026-05-09 2026-09-04 ok
login.guardianlife.com 9 2026-04-09 2026-09-11 ok
lab.login.guardianlife.com 10 2026-04-26 2026-09-28 ok
poc.login.guardianlife.com 10 2026-04-25 2026-09-27 ok
lab2-customizations.login.guardianlife.com 8 2026-05-04 2026-09-05 ok
uat.login.guardianlife.com 9 2026-04-09 2026-09-11 ok
dev.login.guardianlife.com 9 2026-04-09 2026-09-11 ok
signin.guardianlife.com 2 2026-01-21 2026-01-21 ok
uat2.signin.guardianlife.com 20 2026-01-08 2026-09-29 ok
www.uat2.signin.guardianlife.com 2 2026-01-08 2026-01-08 nxdomain
uat.signin.guardianlife.com 49 2025-12-29 2026-09-30 ok
www.uat.signin.guardianlife.com 3 2025-12-29 2025-12-29 nxdomain
dev.signin.guardianlife.com 3 2025-09-10 2026-08-12 ok
www.dev.signin.guardianlife.com 1 2026-01-30 2026-01-30 nxdomain
www.signin.guardianlife.com 2 2026-01-21 2026-01-21 nxdomain
clientspecialist-kn.guardianlife.com 10 2026-05-08 2026-09-04 ok
verification.guardianlife.com 2 2025-08-22 2026-07-15 ok
uat.verification.guardianlife.com 1 2026-06-29 2026-06-29 ok
www.uat.verification.guardianlife.com 1 2026-06-29 2026-06-29 nxdomain
sit.verification.guardianlife.com 1 2026-03-06 2026-03-06 ok
www.sit.verification.guardianlife.com 1 2026-03-06 2026-03-06 nxdomain
dev.verification.guardianlife.com 1 2026-03-06 2026-03-06 ok
www.dev.verification.guardianlife.com 1 2026-03-06 2026-03-06 nxdomain
www.verification.guardianlife.com 2 2025-08-22 2026-07-15 nxdomain
fullerton.guardianlife.com 10 2026-06-23 2026-08-22 ok
southhouston.guardianlife.com 9 2026-06-04 2026-10-01 ok
mdo.guardianlife.com 1 2026-03-04 2026-03-04 ok
www.mdo.guardianlife.com 1 2026-03-04 2026-03-04 nxdomain
cloud.info.guardianlife.com 3 2025-09-10 2026-08-31 ok
image.info.guardianlife.com 3 2025-08-29 2026-07-13 ok
click.info.guardianlife.com 3 2025-09-10 2026-08-28 ok
view.info.guardianlife.com 3 2025-09-10 2026-08-28 ok
demo.guardianlife.com 10 2026-05-15 2026-09-10 ok
apigee-saml-idp.guardianlife.com 1 2025-11-07 2025-11-07 nxdomain
www.apigee-saml-idp.guardianlife.com 1 2025-11-07 2025-11-07 nxdomain
eapp.guardianlife.com 1 2025-11-07 2025-11-07 ok
www.eapp.guardianlife.com 1 2025-11-07 2025-11-07 nxdomain
developer.guardianlife.com 29 2026-01-11 2026-09-30 ok
www.developer.guardianlife.com 5 2026-01-20 2026-01-28 nxdomain
supportcenter.guardianlife.com 3 2025-08-08 2026-07-22 ok
qa-supportcenter.guardianlife.com 22 2026-01-11 2026-09-30 ok
www.supportcenter.guardianlife.com 1 2026-03-04 2026-03-04 nxdomain
your.guardianlife.com 10 2026-04-10 2026-08-06 ok
pas.guardianlife.com 3 2025-11-21 2026-09-30 ok
uatpas.guardianlife.com 27 2026-01-11 2026-09-30 ok
www.uatpas.guardianlife.com 3 2026-01-22 2026-01-22 nxdomain
resources.guardianlife.com 23 2026-01-11 2026-09-30 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/guardianlife.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/guardianlife.com.