Find every subdomain
of a domain.

Every hostname under a domain that ever appeared in a public TLS certificate — with certificate counts and first/last seen dates.

100 hosts (first page) · 278 ms

HostCertsFirst seenLast seen
firsttechfed.com 4 2026-02-17 2026-09-10
cd-qa-sc10.firsttechfed.com 4 2026-05-19 2026-09-10
id-qa-sc10.firsttechfed.com 1 2026-05-19 2026-05-19
cm-qa-sc10.firsttechfed.com 1 2026-05-19 2026-05-19
solr-qa-sc10.firsttechfed.com 1 2026-05-19 2026-05-19
cd-prod-sc10.firsttechfed.com 4 2026-05-19 2026-09-10
slot-cd-prod-sc10.firsttechfed.com 4 2026-05-19 2026-09-10
id-prod-sc10.firsttechfed.com 1 2026-05-19 2026-05-19
cm-prod-sc10.firsttechfed.com 1 2026-05-19 2026-05-19
solr-prod-sc10.firsttechfed.com 1 2026-05-19 2026-05-19
cd-stage-sc10.firsttechfed.com 4 2026-05-19 2026-09-10
id-stage-sc10.firsttechfed.com 1 2026-05-19 2026-05-19
cm-stage-sc10.firsttechfed.com 1 2026-05-19 2026-05-19
solr-stage-sc10.firsttechfed.com 1 2026-05-19 2026-05-19
ft360.firsttechfed.com 4 2025-12-29 2026-09-10
stgft360.firsttechfed.com 4 2026-02-19 2026-09-10
C1LP1WBNEXWYE01.firsttechfed.com 1 2026-06-18 2026-06-18
dynatrace01.firsttechfed.com 1 2025-11-10 2025-11-10
OLBAPI-FTFTST1.firsttechfed.com 2 2025-07-22 2026-07-10
bt-qa1.firsttechfed.com 2 2026-03-30 2026-10-02
ftapi.qa1.firsttechfed.com 3 2026-07-01 2026-09-09
aovpn1.firsttechfed.com 1 2026-06-01 2026-06-01
C1LP1WBNEXWYE02.firsttechfed.com 1 2026-06-18 2026-06-18
dynatrace02.firsttechfed.com 1 2025-11-10 2025-11-10
OLBAPI-FTFTST2.firsttechfed.com 2 2025-08-18 2026-08-03
ftapi.qa2.firsttechfed.com 3 2026-07-01 2026-09-09
aovpn2.firsttechfed.com 1 2026-06-01 2026-06-01
ftfcuvpn2.firsttechfed.com 1 2026-06-01 2026-06-01
www2.firsttechfed.com 1 2025-12-17 2025-12-17
dynatrace03.firsttechfed.com 1 2025-11-10 2025-11-10
OLBAPI-FTFTST3.firsttechfed.com 2 2025-08-18 2026-08-03
ww3.firsttechfed.com 2 2025-09-09 2026-09-08
ACCTOPENING-FTFTST4.firsttechfed.com 1 2026-06-10 2026-06-10
OLBAPI-FTFTST4.firsttechfed.com 2 2025-08-18 2026-08-03
IRA-APITESTA.firsttechfed.com 2 2025-08-18 2026-08-03
CLLEND-APITESTA.firsttechfed.com 1 2026-07-07 2026-07-07
DEPORIG-APITESTA.firsttechfed.com 1 2026-06-11 2026-06-11
WIRES-APITESTA.firsttechfed.com 2 2025-08-18 2026-07-29
AKC-TST4PUB.firsttechfed.com 1 2025-12-01 2025-12-01
IRA-FTFPROD.firsttechfed.com 2 2025-08-18 2026-08-03
OLBAPI-FTFPROD.firsttechfed.com 1 2026-05-07 2026-05-07
WIRES-FTFPROD.firsttechfed.com 2 2025-08-18 2026-08-03
AKC-TST4SF.firsttechfed.com 1 2025-12-01 2025-12-01
OLBAPI-FTFSTG.firsttechfed.com 1 2026-05-26 2026-05-26
COREAPI-FTFSTG.firsttechfed.com 1 2026-05-26 2026-05-26
MyOffers-UAT.firsttechfed.com 3 2026-03-04 2026-09-15
OLBAPI-DNAMERV.firsttechfed.com 1 2026-04-03 2026-04-03
COREAPI-DNAMERV.firsttechfed.com 1 2026-04-03 2026-04-03
rjapi-qa.firsttechfed.com 1 2025-10-27 2025-10-27
ftfcuapi.qa.firsttechfed.com 5 2026-03-04 2026-09-09
ftfcuapinotifications.qa.firsttechfed.com 5 2025-07-14 2026-09-09
apiqa.firsttechfed.com 1 2025-10-22 2025-10-22
jira.firsttechfed.com 3 2026-07-01 2026-09-10
wirescmc-apitesta.firsttechfed.com 2 2026-08-12 2026-08-12
vpnlab.firsttechfed.com 1 2026-05-27 2026-05-27
thehub.firsttechfed.com 3 2025-09-09 2026-09-23
akc-tst5pub.firsttechfed.com 2 2026-02-27 2026-09-04
tem-tst6pub.firsttechfed.com 3 2025-10-02 2026-09-23
akc-prodpub.firsttechfed.com 1 2026-02-17 2026-02-17
edep-proddc.firsttechfed.com 2 2026-03-20 2026-09-29
edep-stagdc.firsttechfed.com 2 2026-03-20 2026-09-29
edep-testdc.firsttechfed.com 2 2026-03-20 2026-09-29
ews-eav-prod.firsttechfed.com 3 2025-07-22 2026-07-22
wirescmc-ftfprod.firsttechfed.com 2 2026-08-19 2026-08-19
dynatrace.firsttechfed.com 4 2025-11-10 2026-09-10
FTWholesale.firsttechfed.com 3 2026-03-24 2026-09-25
remote.firsttechfed.com 4 2026-04-06 2026-09-10
cloud-remote.firsttechfed.com 4 2025-10-06 2026-09-10
tem24sf.firsttechfed.com 2 2025-07-22 2026-07-07
akc-tst5sf.firsttechfed.com 2 2026-02-27 2026-09-04
tem-tst6sf.firsttechfed.com 2 2025-10-02 2026-09-23
akc-prodsf.firsttechfed.com 1 2026-02-17 2026-02-17
tag.firsttechfed.com 4 2026-04-17 2026-09-25
banking.firsttechfed.com 8 2026-05-04 2026-09-15
mobilex.banking.firsttechfed.com 8 2026-05-04 2026-09-15
bclog.firsttechfed.com 1 2026-01-27 2026-01-27
bt-stg.firsttechfed.com 2 2026-03-10 2026-09-09
ftapi.stg.firsttechfed.com 3 2026-07-01 2026-09-09
ftfcuapi.stg.firsttechfed.com 5 2026-03-04 2026-09-09
ftapiemail.stg.firsttechfed.com 3 2026-07-01 2026-09-09
ftapinotifications.stg.firsttechfed.com 3 2026-07-01 2026-09-09
ftfcuapinotifications.stg.firsttechfed.com 5 2025-07-14 2026-09-09
apistg.firsttechfed.com 1 2025-11-03 2025-11-03
deporig-apistg.firsttechfed.com 1 2026-08-04 2026-08-04
batch.firsttechfed.com 1 2025-10-06 2025-10-06
api.firsttechfed.com 1 2025-11-03 2025-11-03
prod-firsttechapi.firsttechfed.com 2 2025-07-14 2026-07-20
test-firsttechapi.firsttechfed.com 2 2025-07-14 2026-07-20
ftapi.firsttechfed.com 5 2026-03-09 2026-09-09
biztalk.firsttechfed.com 1 2025-11-03 2025-11-03
ftapi.qa.internal.firsttechfed.com 2 2026-04-02 2026-10-02
ftapi.stg.internal.firsttechfed.com 2 2026-04-02 2026-10-02
ftapi.internal.firsttechfed.com 2 2026-04-02 2026-10-02
ftapi.dev.internal.firsttechfed.com 2 2026-04-02 2026-10-02
qa.apiportal.firsttechfed.com 3 2026-07-01 2026-09-10
stg.apiportal.firsttechfed.com 3 2026-07-01 2026-09-10
dev.apiportal.firsttechfed.com 3 2026-07-01 2026-09-10
vpnportal.firsttechfed.com 1 2026-06-01 2026-06-01
aoportal.firsttechfed.com 1 2026-06-01 2026-06-01
tem24cudl.firsttechfed.com 2 2025-07-22 2026-07-07

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/firsttechfed.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/firsttechfed.com.