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.

96 hosts · 347 ms

HostCertsFirst seenLast seen
sofi.com 18 2025-06-26 2026-09-02
*.sofi.com 42 2025-06-26 2026-10-05
st10.sofi.com 6 2026-03-03 2026-09-02
www.st10.sofi.com 6 2026-03-03 2026-09-02
www2.sofi.com 9 2026-04-20 2026-09-17
openmetadata.sofi.com 1 2026-09-08 2026-09-08
ivalua.sofi.com 3 2025-07-03 2026-07-03
www.ivalua.sofi.com 3 2025-07-03 2026-07-03
finic.sofi.com 2 2026-04-23 2026-09-23
*.finic.sofi.com 2 2026-04-23 2026-09-23
loanpilot-oc.sofi.com 2 2025-10-20 2025-11-21
www.loanpilot-oc.sofi.com 2 2025-10-20 2025-11-21
*.svc.sofi.com 3 2025-06-26 2026-05-27
applymortgage.sofi.com 7 2026-01-20 2026-10-04
app.applymortgage.sofi.com 7 2026-03-01 2026-10-04
www.app.applymortgage.sofi.com 1 2026-03-01 2026-03-01
www.applymortgage.sofi.com 7 2026-01-20 2026-10-04
1pass-scim-bridge.sofi.com 4 2026-05-20 2026-08-03
www.1pass-scim-bridge.sofi.com 3 2026-05-20 2026-08-03
fdetect-tracking.sofi.com 1 2026-04-30 2026-04-30
www.fdetect-tracking.sofi.com 1 2026-04-30 2026-04-30
sofietyblog.sofi.com 10 2026-06-01 2026-09-28
tech.sofi.com 9 2026-07-10 2026-09-07
*.tech.sofi.com 9 2026-07-10 2026-09-07
docs.tech.sofi.com 4 2026-07-14 2026-09-12
galileo-auth.sofi.com 3 2026-03-30 2026-08-30
mi.sofi.com 1 2025-11-19 2025-11-19
ck.sofi.com 1 2026-05-20 2026-05-20
www.ck.sofi.com 1 2026-05-20 2026-05-20
contentclick.sofi.com 1 2025-12-14 2025-12-14
*.alb-ingress.us-west-2.bank.sofi.com 1 2025-11-27 2025-11-27
link.sofi.com 4 2026-09-30 2026-09-30
login.commercial.sofi.com 2 2026-05-11 2026-05-11
login-sandbox.commercial.sofi.com 2 2026-05-11 2026-05-11
soficentral.sofi.com 2 2025-08-08 2026-07-09
api.soficentral.sofi.com 4 2025-08-08 2026-08-30
secureportal.sofi.com 8 2026-05-15 2026-09-24
*.secureportal.sofi.com 3 2026-05-15 2026-07-14
www.secureportal.sofi.com 5 2026-05-15 2026-09-24
supplierportal.sofi.com 3 2025-07-03 2026-07-03
www.supplierportal.sofi.com 3 2025-07-03 2026-07-03
lenel.sofi.com 1 2025-11-19 2025-11-19
travel.sofi.com 5 2026-05-26 2026-10-05
www.travel.sofi.com 5 2026-05-21 2026-09-30
trk.notify.travel.sofi.com 11 2026-03-03 2026-10-06
www.trk.notify.travel.sofi.com 3 2026-03-03 2026-09-15
mail.sofi.com 1 2026-02-23 2026-02-23
*.mail.sofi.com 5 2025-06-26 2026-09-06
i.mail.sofi.com 7 2026-02-23 2026-08-17
www.mail.sofi.com 1 2026-02-23 2026-02-23
securemail.sofi.com 9 2025-08-05 2026-09-09
www.securemail.sofi.com 9 2025-08-05 2026-09-09
sofietyemail.sofi.com 9 2026-06-01 2026-09-28
security-info.sofi.com 11 2026-05-22 2026-09-18
sofietyinfo.sofi.com 7 2026-06-01 2026-09-27
sso.sofi.com 1 2025-11-11 2025-11-11
*.sso.sofi.com 1 2025-11-11 2025-11-11
idpinit.at-work.sso.sofi.com 4 2025-08-09 2026-08-10
www.idpinit.at-work.sso.sofi.com 4 2025-08-09 2026-08-10
fp.sofi.com 2 2025-09-15 2026-02-02
tracking.sp.sofi.com 15 2026-04-30 2026-08-31
*.r.sofi.com 18 2026-05-23 2026-09-21
ablink.r.sofi.com 5 2026-04-23 2026-09-22
refer.sofi.com 5 2026-04-19 2026-09-28
ablink.newsletter.sofi.com 11 2026-04-23 2026-09-22
*.nr.sofi.com 27 2025-07-23 2026-09-21
creator.sofi.com 3 2026-05-25 2026-09-09
*.alb-ingress.us-west-2.k8s.sofi.com 1 2025-11-27 2025-11-27
docs.sofi.com 6 2026-04-29 2026-08-25
pages.sofi.com 2 2026-08-12 2026-08-12
fdetect-logs.sofi.com 1 2026-04-30 2026-04-30
integrations.sofi.com 1 2026-05-30 2026-05-30
beta-integrations.sofi.com 1 2026-05-30 2026-05-30
www.beta-integrations.sofi.com 1 2026-05-30 2026-05-30
www.integrations.sofi.com 1 2026-05-30 2026-05-30
cps.sofi.com 3 2026-05-18 2026-08-17
investors.sofi.com 13 2026-04-12 2026-10-06
compass.sofi.com 5 2026-04-29 2026-08-27
onboarding.business.sofi.com 2 2026-08-21 2026-08-21
login.business.sofi.com 11 2026-05-27 2026-09-22
login-sandbox.business.sofi.com 11 2026-05-27 2026-09-22
us.sofi.com 3 2026-04-11 2026-06-19
status.sofi.com 5 2026-05-20 2026-09-16
ews.sofi.com 1 2026-05-06 2026-05-06
www.ews.sofi.com 1 2026-05-06 2026-05-06
zelle-paynet.sofi.com 3 2026-02-19 2026-09-02
slt.sofi.com 1 2026-02-04 2026-02-04
api-security-endpoint.sofi.com 2 2026-04-20 2026-09-20
support.sofi.com 2 2026-05-18 2026-05-18
samsungmoneysupport.sofi.com 2 2026-05-18 2026-05-18
ck-ast.sofi.com 5 2026-01-23 2026-08-18
www.ck-ast.sofi.com 4 2026-03-04 2026-08-18
test.sofi.com 1 2026-05-07 2026-05-07
www.test.sofi.com 1 2026-05-07 2026-05-07
www.sofi.com 6 2026-03-19 2026-09-02
ablink.daily.sofi.com 5 2026-04-29 2026-09-28

Programmatic access: API GET /v1/hosts/sofi.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/sofi.com.