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) · 310 ms

HostCertsFirst seenLast seen
klarna.com 17 2025-06-12 2026-09-16
*.klarna.com 8 2025-07-08 2026-09-23
kcmatic-test1.klarna.com 2 2026-03-13 2026-04-07
mxz1.klarna.com 1 2025-12-30 2025-12-30
api-na-2.klarna.com 2 2026-05-01 2026-10-01
mxz2.klarna.com 1 2025-12-30 2025-12-30
mxz3.klarna.com 1 2025-12-30 2025-12-30
mxz4.klarna.com 1 2025-12-30 2025-12-30
url2305.klarna.com 2 2026-08-26 2026-08-26
api.kosma.klarna.com 2 2025-09-17 2026-08-18
il-stripe-na.klarna.com 1 2026-07-16 2026-07-16
api-na.klarna.com 4 2025-07-16 2026-09-17
il-na.klarna.com 3 2025-09-28 2026-09-02
uber-na.klarna.com 4 2025-09-16 2026-10-02
cards-na.klarna.com 2 2026-05-20 2026-05-20
c.klarna.com 4 2025-07-12 2026-06-14
static.klarna.com 2 2025-10-28 2026-09-27
card-issuing-oc.klarna.com 1 2026-06-17 2026-06-17
api-oc.klarna.com 4 2025-07-16 2026-09-17
cards-oc.klarna.com 2 2026-05-20 2026-05-20
d.klarna.com 9 2025-07-08 2026-09-15
saved.klarna.com 1 2026-01-28 2026-01-28
eid.klarna.com 2 2025-08-15 2026-07-16
signicat-eid.klarna.com 5 2026-02-18 2026-08-18
*.eid.klarna.com 2 2025-08-15 2026-07-16
brand.klarna.com 5 2026-04-22 2026-08-25
deutsche-bank.debai-backend.klarna.com 1 2026-02-17 2026-02-17
deutsche-bank-cseal.debai-backend.klarna.com 2 2026-08-10 2026-08-10
jp-morgan.debai-backend.klarna.com 1 2026-06-02 2026-06-02
wells-fargo.debai-backend.klarna.com 2 2026-04-27 2026-05-06
deutsche-bank-mtls.debai-backend.klarna.com 2 2026-08-10 2026-08-10
deutsche-bank-sandbox.debai-backend.klarna.com 1 2026-02-17 2026-02-17
deutsche-bank-cseal-sandbox.debai-backend.klarna.com 2 2026-08-10 2026-08-10
wells-fargo-sandbox.debai-backend.klarna.com 3 2026-04-23 2026-05-08
deutsche-bank-mtls-sandbox.debai-backend.klarna.com 2 2026-08-06 2026-08-06
*.playground.klarna.com 2 2026-03-20 2026-08-20
api-na-2.playground.klarna.com 2 2026-03-25 2026-08-25
api.kosma.playground.klarna.com 2 2025-09-16 2026-08-17
api-na.playground.klarna.com 4 2025-10-23 2026-09-15
il-na.playground.klarna.com 3 2025-09-24 2026-08-25
uber-na.playground.klarna.com 4 2025-09-25 2026-10-02
mftweb.playground.klarna.com 1 2025-12-13 2025-12-13
api-oc.playground.klarna.com 4 2025-10-23 2026-09-15
cards-oc.playground.klarna.com 3 2026-05-20 2026-10-06
il-stripe.playground.klarna.com 3 2025-09-24 2026-08-25
xs2a.banking.playground.klarna.com 2 2025-08-29 2026-07-29
eba.banking.playground.klarna.com 1 2026-09-11 2026-09-11
xs2a-api.banking.playground.klarna.com 2 2026-08-31 2026-08-31
*.openbanking.playground.klarna.com 11 2025-06-17 2026-09-15
cdn.card-acquiring.playground.klarna.com 1 2026-01-14 2026-01-14
catalog.playground.klarna.com 1 2026-08-03 2026-08-03
api.playground.klarna.com 2 2025-10-23 2025-12-22
app-api.playground.klarna.com 4 2025-11-06 2026-10-06
skv-api.playground.klarna.com 2 2025-08-23 2026-07-23
*.skv-api.playground.klarna.com 2 2025-09-03 2026-08-03
gpi.playground.klarna.com 2 2025-09-29 2026-08-30
pwi.playground.klarna.com 2 2025-08-06 2026-07-07
api-global.playground.klarna.com 3 2025-12-21 2025-12-22
portal.playground.klarna.com 9 2025-07-16 2026-09-28
login.playground.klarna.com 2 2025-09-14 2026-08-15
*.login.playground.klarna.com 2 2025-09-14 2026-08-15
il-stripe-evo.playground.klarna.com 2 2026-03-25 2026-08-25
dc-api-ap.playground.klarna.com 2 2025-06-18 2026-05-19
shop.playground.klarna.com 2 2026-03-25 2026-08-25
pop.playground.klarna.com 2 2025-09-17 2026-08-18
app.playground.klarna.com 8 2025-08-06 2026-10-07
sftp.playground.klarna.com 1 2025-12-13 2025-12-13
uber.playground.klarna.com 3 2026-05-09 2026-10-02
*.issuer.playground.klarna.com 2 2026-04-10 2026-09-10
temp-na.issuer.playground.klarna.com 2 2026-04-10 2026-09-10
paybright.issuer.playground.klarna.com 2 2026-04-10 2026-09-10
temp-eu.issuer.playground.klarna.com 2 2026-04-10 2026-09-10
*.cs.playground.klarna.com 4 2025-09-23 2026-08-23
omp.cs.playground.klarna.com 1 2026-10-02 2026-10-02
cards.playground.klarna.com 4 2026-05-20 2026-10-06
js.playground.klarna.com 5 2026-01-08 2026-08-20
blue-js.playground.klarna.com 2 2026-03-20 2026-08-20
green-js.playground.klarna.com 2 2026-03-20 2026-08-20
api-na-mtls.playground.klarna.com 5 2026-03-11 2026-09-15
api-oc-mtls.playground.klarna.com 5 2026-03-11 2026-09-15
api-eu-mtls.playground.klarna.com 4 2026-03-11 2026-09-10
payments.playground.klarna.com 3 2026-01-08 2026-01-08
il-ppp-test-mode-us.playground.klarna.com 1 2026-02-17 2026-02-17
il-google-us.playground.klarna.com 2 2026-03-09 2026-07-25
dc-api-us.playground.klarna.com 1 2025-12-16 2025-12-16
il-ppp-us.playground.klarna.com 5 2025-08-25 2026-09-04
il-ppp-payment-us.playground.klarna.com 3 2025-09-04 2026-09-28
il-google-eu.playground.klarna.com 1 2025-11-15 2025-11-15
dc-api-eu.playground.klarna.com 2 2026-03-05 2026-07-21
buybuttondemo-eu.playground.klarna.com 2 2025-11-21 2026-09-04
partner-bank-api-connector-eu.playground.klarna.com 2 2026-02-12 2026-02-23
pay-eu.playground.klarna.com 1 2025-12-24 2025-12-24
il-wix.playground.klarna.com 3 2025-07-23 2026-09-01
pay.playground.klarna.com 1 2026-01-03 2026-01-03
*.pay.playground.klarna.com 1 2026-01-03 2026-01-03
api.kyc-gateway.playground.klarna.com 1 2025-09-17 2025-09-17
c.nonprod.klarna.com 4 2025-07-17 2026-06-17
static.nonprod.klarna.com 2 2025-10-25 2026-09-24
jp-morgan.debai-backend.nonprod.klarna.com 1 2026-05-21 2026-05-21
onboarding-hub.stocard.nonprod.klarna.com 1 2025-09-13 2025-09-13

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/klarna.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/klarna.com.