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) · 479 ms

HostCertsFirst seenLast seenDNS
hmetrix.com 5 2025-12-13 2026-08-11 ok
*.hmetrix.com 1 2025-12-13 2025-12-13 —
demo101.hmetrix.com 5 2026-04-09 2026-09-29 ok
cbcfema1.hmetrix.com 2 2025-08-12 2026-08-07 nodata
cbc1.hmetrix.com 5 2026-05-15 2026-09-11 ok
hscrclogonce1.hmetrix.com 5 2026-04-26 2026-08-17 ok
dcvacstage1.hmetrix.com 5 2026-05-15 2026-09-01 ok
vhivacstage1.hmetrix.com 5 2026-05-11 2026-09-03 ok
crispvacstage1.hmetrix.com 4 2026-05-15 2026-07-10 ok
cbcstage1.hmetrix.com 5 2026-05-15 2026-09-11 ok
sftcstage1.hmetrix.com 5 2026-05-07 2026-09-04 ok
hscrcsftcstage1.hmetrix.com 5 2026-05-17 2026-09-12 ok
logoncestage1.hmetrix.com 4 2026-04-18 2026-08-13 ok
vaclogoncestage1.hmetrix.com 5 2026-05-15 2026-09-01 ok
sftclogoncestage1.hmetrix.com 5 2026-05-07 2026-09-04 ok
crisplogoncestage1.hmetrix.com 5 2026-05-15 2026-09-01 ok
hdavestage1.hmetrix.com 5 2026-04-26 2026-08-17 ok
crispcclfstage1.hmetrix.com 5 2026-05-15 2026-09-01 ok
multipayerreportingstage1.hmetrix.com 5 2026-05-15 2026-09-01 ok
populationnavigatorapistage1.hmetrix.com 5 2026-05-15 2026-09-01 ok
patientportalstage1.hmetrix.com 5 2026-05-15 2026-09-01 ok
ctpatientportalstage1.hmetrix.com 6 2026-05-06 2026-09-02 ok
crispmdpcpstage1.hmetrix.com 5 2026-05-15 2026-09-01 ok
carefirstidpstage1.hmetrix.com 5 2026-05-15 2026-09-09 ok
crispcrpstage1.hmetrix.com 5 2026-05-15 2026-09-01 ok
crispctpstage1.hmetrix.com 5 2026-05-15 2026-09-01 ok
rolemanagerstage1.hmetrix.com 5 2026-05-15 2026-09-07 ok
hscrcrolemanagerstage1.hmetrix.com 5 2026-05-17 2026-09-12 ok
crisphcbsstage1.hmetrix.com 5 2026-05-26 2026-09-22 ok
pbisstage1.hmetrix.com 5 2026-04-11 2026-10-01 ok
cedisstage1.hmetrix.com 5 2026-05-29 2026-09-20 ok
dccrsstage1.hmetrix.com 5 2026-05-15 2026-09-01 ok
crispcrprptstage1.hmetrix.com 5 2026-05-15 2026-09-01 ok
ea-carefirststage1.hmetrix.com 5 2026-05-15 2026-09-09 ok
crispmattstage1.hmetrix.com 5 2026-05-15 2026-09-01 ok
crispcmixstage1.hmetrix.com 5 2026-05-15 2026-09-01 ok
identitystage1.hmetrix.com 5 2026-04-29 2026-08-25 ok
hscrcdave1.hmetrix.com 5 2026-04-26 2026-08-17 ok
pbistrain1.hmetrix.com 5 2026-04-11 2026-10-01 ok
dcvacdemo1.hmetrix.com 5 2026-05-15 2026-09-01 ok
crispvacdemo1.hmetrix.com 4 2026-05-15 2026-07-10 ok
crisplogoncedemo1.hmetrix.com 5 2026-05-15 2026-09-01 ok
freewaydavedemo1.hmetrix.com 4 2026-04-16 2026-08-11 ok
savedemo1.hmetrix.com 5 2026-04-22 2026-08-19 ok
crispcclfdemo1.hmetrix.com 5 2026-05-15 2026-09-01 ok
multipayerreportingdemo1.hmetrix.com 5 2026-05-15 2026-09-01 ok
feetooldemo1.hmetrix.com 6 2026-04-08 2026-09-26 ok
crispmdpcpdemo1.hmetrix.com 5 2026-05-15 2026-09-01 ok
freewayidpdemo1.hmetrix.com 4 2026-04-16 2026-08-11 ok
ammpdemo1.hmetrix.com 1 2026-04-16 2026-04-16 nxdomain
crispcrpdemo1.hmetrix.com 5 2026-05-15 2026-09-01 ok
crispctpdemo1.hmetrix.com 5 2026-04-30 2026-08-27 ok
hedisdemo1.hmetrix.com 5 2026-04-24 2026-08-20 ok
dccrsdemo1.hmetrix.com 5 2026-05-15 2026-09-01 ok
crispcmixdemo1.hmetrix.com 5 2026-05-15 2026-09-01 ok
freewaydemo1.hmetrix.com 4 2026-04-16 2026-08-11 ok
nsp1.hmetrix.com 5 2026-05-29 2026-09-25 ok
pbis1.hmetrix.com 5 2026-04-11 2026-10-01 ok
fts1.hmetrix.com 4 2026-04-11 2026-08-07 ok
hscrcfts1.hmetrix.com 5 2026-05-11 2026-09-04 ok
crispts1.hmetrix.com 5 2026-05-15 2026-09-01 ok
hdavestage2.hmetrix.com 5 2026-04-26 2026-08-17 ok
populationnavigatorapistage2.hmetrix.com 3 2026-06-25 2026-08-23 ok
crispcrpstage2.hmetrix.com 5 2026-05-15 2026-09-01 ok
rolemanagerstage2.hmetrix.com 5 2026-05-15 2026-09-07 ok
populationnavigatorapi2.hmetrix.com 3 2026-06-30 2026-08-27 ok
crispts2.hmetrix.com 5 2026-05-15 2026-09-01 ok
app3.hmetrix.com 6 2026-05-25 2026-09-16 ok
collabora.hmetrix.com 5 2026-05-16 2026-09-09 ok
imta.hmetrix.com 5 2026-04-29 2026-08-25 ok
vhivac.hmetrix.com 5 2026-05-11 2026-09-03 ok
vacctracdc.hmetrix.com 5 2026-05-15 2026-09-01 ok
secureftphscrc.hmetrix.com 1 2026-09-30 2026-09-30 ok
sftc.hmetrix.com 5 2026-05-07 2026-09-04 ok
hscrcsftc.hmetrix.com 5 2026-04-22 2026-08-13 ok
pubsub-ipc-hscrc-prod.hmetrix.com 5 2026-05-29 2026-09-20 ok
crispunifiedapiprod.hmetrix.com 6 2025-11-17 2026-08-31 ok
ftsprod.hmetrix.com 4 2026-04-11 2026-08-07 ok
logonce.hmetrix.com 4 2026-04-18 2026-08-13 ok
vacctraclogonce.hmetrix.com 5 2026-05-15 2026-09-01 ok
sftclogonce.hmetrix.com 5 2026-05-07 2026-09-04 ok
pubsub-ipc-stage.hmetrix.com 5 2026-05-28 2026-09-19 ok
imtastage.hmetrix.com 5 2026-05-07 2026-08-30 ok
brglogoncestage.hmetrix.com 5 2026-05-29 2026-09-20 ok
authstage.hmetrix.com 5 2026-06-03 2026-09-29 ok
crispunifiedapistage.hmetrix.com 6 2025-11-17 2026-08-22 ok
patientapistage.hmetrix.com 5 2026-04-26 2026-08-23 ok
ctpatientapistage.hmetrix.com 5 2026-06-01 2026-09-22 ok
cbcasostage.hmetrix.com 5 2026-05-15 2026-09-11 ok
cbcasoidpstage.hmetrix.com 5 2026-05-15 2026-09-11 ok
hqstage.hmetrix.com 4 2026-04-17 2026-08-12 ok
ftsstage.hmetrix.com 4 2026-04-11 2026-08-07 ok
idme.hmetrix.com 1 2026-06-17 2026-06-17 nodata
prtg.hmetrix.com 1 2025-12-22 2025-12-22 nodata
phish.hmetrix.com 4 2026-04-19 2026-08-16 ok
auth.hmetrix.com 5 2025-12-13 2026-08-11 ok
populationnavigatorapi.hmetrix.com 5 2026-05-15 2026-09-01 ok
ctpatientapi.hmetrix.com 4 2026-04-18 2026-08-13 ok
patientportal.hmetrix.com 5 2026-05-15 2026-09-01 ok
ctpatientportal.hmetrix.com 5 2026-05-15 2026-09-01 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/hmetrix.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/hmetrix.com.