DNS
THE CERTIFICATE BEHIND THE CONNECTION

TLS certificate checker.

Inspect SSL/TLS certificates for any public domain or subdomain.

Checks HTTPS on port 443, including subject alternative names, validity dates and the presented chain.

SSL certificate

TLSv1.2

hs01.kep.tr · 185.220.155.31:443

Verified

Certificate chain, hostname and dates verified using this server’s CA store.

Subject
C=TR ST=Ankara L=Altındağ O=Posta ve Telgraf Teşkilatı Anonim Şirketi Genel Müdürlüğü CN=*.hs01.kep.tr
Issuer
C=BE O=GlobalSign nv-sa CN=GlobalSign RSA OV SSL CA 2018
Valid from
2026-01-23T11:01:04+00:00
Expires
2027-02-24T11:01:03+00:00
Days remaining
146
Serial (hex)
575F6B817DFD6408D3C121C2
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.hs01.kep.tr, DNS:hs01.kep.tr

SHA-256 fingerprint

84:12:96:D1:30:D0:74:8A:5B:91:7B:2B:3D:F9:67:41:7D:5D:BD:86:AF:44:17:93:5A:5A:9B:74:74:05:97:F8
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
basicConstraints
CA:FALSE
authorityInfoAccess
CA Issuers - URI:http://secure.globalsign.com/cacert/gsrsaovsslca2018.crt OCSP - URI:http://ocsp.globalsign.com/gsrsaovsslca2018
certificatePolicies
Policy: 1.3.6.1.4.1.4146.1.20 CPS: https://www.globalsign.com/repository/ Policy: 2.23.140.1.2.2
crlDistributionPoints
Full Name: URI:http://crl.globalsign.com/gsrsaovsslca2018.crl
subjectAltName
DNS:*.hs01.kep.tr, DNS:hs01.kep.tr
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
authorityKeyIdentifier
F8:EF:7F:F2:CD:78:67:A8:DE:6F:8F:24:8D:88:F1:87:03:02:B3:EB
subjectKeyIdentifier
FC:54:68:13:25:BA:FF:05:AD:B4:F4:F3:D7:29:FA:20:93:71:DB:08
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 1C:9F:68:2C:E9:FA:F0:45:69:50:F8:1B:96:8A:87:DD: DB:32:10:D8:4C:E6:C8:B2:E3:82:52:4A:C4:CF:59:9F Timestamp : Jan 23 11:01:09.403 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:B4:1E:70:A0:34:D1:18:D4:8D:4E:C5: E2:EE:27:BD:B1:75:9B:FD:A8:58:D3:27:34:FC:34:88: 49:05:18:44:55:02:21:00:85:93:27:70:B1:E3:AC:14: 4A:71:5C:F1:5B:89:E4:18:AE:FE:88:C4:7E:0A:57:5D: A2:B3:4A:7A:E4:E9:D0:A9 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 4C:63:DC:98:E5:9C:1D:AB:88:F6:1E:8A:3D:DE:AE:8F: AB:44:A3:37:7B:5F:9B:94:C3:FB:A1:9C:FC:C1:BE:26 Timestamp : Jan 23 11:01:09.573 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:37:8E:4C:14:1E:1E:A8:94:6F:BF:F7:93: F3:FE:92:3F:B1:27:AA:DB:AE:9D:C7:85:0B:3B:F4:06: F4:49:6B:88:02:20:4F:06:2A:F7:86:82:2F:5E:20:91: FE:BF:3F:05:AB:B7:9E:41:6A:BA:6D:16:AA:0F:A9:C7: 66:9F:9D:C0:29:52 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 60:4C:9A:AF:7A:7F:77:5F:01:D4:06:FC:92:0D:C8:99: EB:0B:1C:7D:F8:C9:52:1B:FA:FA:17:77:3B:97:8B:C9 Timestamp : Jan 23 11:01:09.626 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:D0:23:52:B2:F7:57:80:BF:79:D3:93: 8B:C3:E5:70:54:34:F0:88:B5:6B:BD:57:A5:41:89:84: 56:A0:AC:61:35:02:20:2C:5D:C1:77:1A:FC:BA:A7:1C: F0:25:C1:0D:54:B6:FA:E5:FE:EB:47:A6:20:55:B2:61: 05:B1:AF:F6:EA:6F:CB
-----BEGIN CERTIFICATE-----
MIIGxDCCBaygAwIBAgIMV19rgX39ZAjTwSHCMA0GCSqGSIb3DQEBCwUAMFAxCzAJ
BgNVBAYTAkJFMRkwFwYDVQQKExBHbG9iYWxTaWduIG52LXNhMSYwJAYDVQQDEx1H
bG9iYWxTaWduIFJTQSBPViBTU0wgQ0EgMjAxODAeFw0yNjAxMjMxMTAxMDRaFw0y
NzAyMjQxMTAxMDNaMIGXMQswCQYDVQQGEwJUUjEPMA0GA1UECBMGQW5rYXJhMRMw
EQYDVQQHDApBbHTEsW5kYcSfMUowSAYDVQQKDEFQb3N0YSB2ZSBUZWxncmFmIFRl
xZ9raWxhdMSxIEFub25pbSDFnmlya2V0aSBHZW5lbCBNw7xkw7xybMO8xJ/DvDEW
MBQGA1UEAwwNKi5oczAxLmtlcC50cjCCASIwDQYJKoZIhvcNAQEBBQADggEPADCC
AQoCggEBAJ7OHoviEO/ANqA6Fk/hDantfynnPsKh79yT/pC5fYwe1iENbifZ9n63
Yq+OOaqeKqgnmoomNX5t89WiUWzJ1bpNfRk422ho6kORBfPZLHrECQWHj4Gl3TwX
0QwPKs/mv8ptaRjwa8/EJk/mjpM8I8znJRB4p1zN8ceVLaPaSlBRKP0Y1B8Hz+BC
jB9vHzuO4iPVVhZ531ecGDamXEJUQPhQ9pql2rOUFLUruJXvE4sXCDmLPuMTDb+d
9o4Lcmks/6nEOQ1jNHi32iKvPUyvMOpQSVGCV8kamW0mMycpF2mdLxRSsPHpuI14
sS908WkQ6CydNHhGFr8nwE1SqfqCoVsCAwEAAaOCA1QwggNQMA4GA1UdDwEB/wQE
AwIFoDAMBgNVHRMBAf8EAjAAMIGOBggrBgEFBQcBAQSBgTB/MEQGCCsGAQUFBzAC
hjhodHRwOi8vc2VjdXJlLmdsb2JhbHNpZ24uY29tL2NhY2VydC9nc3JzYW92c3Ns
Y2EyMDE4LmNydDA3BggrBgEFBQcwAYYraHR0cDovL29jc3AuZ2xvYmFsc2lnbi5j
b20vZ3Nyc2FvdnNzbGNhMjAxODBWBgNVHSAETzBNMEEGCSsGAQQBoDIBFDA0MDIG
CCsGAQUFBwIBFiZodHRwczovL3d3dy5nbG9iYWxzaWduLmNvbS9yZXBvc2l0b3J5
LzAIBgZngQwBAgIwPwYDVR0fBDgwNjA0oDKgMIYuaHR0cDovL2NybC5nbG9iYWxz
aWduLmNvbS9nc3JzYW92c3NsY2EyMDE4LmNybDAlBgNVHREEHjAcgg0qLmhzMDEu
a2VwLnRyggtoczAxLmtlcC50cjAdBgNVHSUEFjAUBggrBgEFBQcDAQYIKwYBBQUH
AwIwHwYDVR0jBBgwFoAU+O9/8s14Z6jeb48kjYjxhwMCs+swHQYDVR0OBBYEFPxU
aBMluv8FrbT089cp+iCTcdsIMIIBfgYKKwYBBAHWeQIEAgSCAW4EggFqAWgAdwAc
n2gs6frwRWlQ+BuWiofd2zIQ2EzmyLLjglJKxM9ZnwAAAZvqg96bAAAEAwBIMEYC
IQC0HnCgNNEY1I1OxeLuJ72xdZv9qFjTJzT8NIhJBRhEVQIhAIWTJ3Cx46wUSnFc
8VuJ5Biu/ojEfgpXXaKzSnrk6dCpAHUATGPcmOWcHauI9h6KPd6uj6tEozd7X5uU
w/uhnPzBviYAAAGb6oPfRQAABAMARjBEAiA3jkwUHh6olG+/95Pz/pI/sSeq266d
x4ULO/QG9ElriAIgTwYq94aCL14gkf6/PwWrt55BarptFqoPqcdmn53AKVIAdgBg
TJqven93XwHUBvySDciZ6wscffjJUhv6+hd3O5eLyQAAAZvqg996AAAEAwBHMEUC
IQDQI1Ky91eAv3nTk4vD5XBUNPCItWu9V6VBiYRWoKxhNQIgLF3Bdxr8uqcc8CXB
DVS2+uX+60emIFWyYQWxr/bqb8swDQYJKoZIhvcNAQELBQADggEBAGCO+9PzMzJM
uepVPu4UzqYOFOxZPJdyoPLVOmXvZZ+gedLuvy37hSeJaWez+wAYaHrcrIjXWtm3
1ZopEyJn7fGJ6coZYkSIXqPQ6Zo0wDHYiz5QlGiasiFvNhcyKynX1KjYecSrMfMK
RdKepyWtuJ8BQOxjhK4nz19BW/RrzTDx6L6DePqRuH7/5/Abc2smU/A9nVOtqJbW
cnb+AONEehGRyQ5dalpjKUBShLPOeATEvPAjADUc2p7H+nP/+DE8zwK1oEVTuZeT
2hgU+yfljQ/63AZocVQrqlmduVepNwJslx0Erfa15aT7jekTEuNYqfv9MSmBxFdg
g5sH2KArX28=
-----END CERTIFICATE-----

Cipher: AES256-SHA · Checked 2026-10-01T07:41:06+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=BE O=GlobalSign nv-sa CN=GlobalSign RSA OV SSL CA 2018
Issuer
OU=GlobalSign Root CA - R3 O=GlobalSign CN=GlobalSign
Valid from
2018-11-21T00:00:00+00:00
Expires
2028-11-21T00:00:00+00:00
Days remaining
781
Serial (hex)
01EE5F221DFC623BD4333A8557
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

B6:76:FF:A3:17:9E:88:12:09:3A:1B:5E:AF:EE:87:6A:E7:A6:AA:F2:31:07:8D:AD:1B:FB:21:CD:28:93:76:4A
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
F8:EF:7F:F2:CD:78:67:A8:DE:6F:8F:24:8D:88:F1:87:03:02:B3:EB
authorityKeyIdentifier
8F:F0:4B:7F:A8:2E:45:24:AE:4D:50:FA:63:9A:8B:DE:E2:DD:1B:BC
authorityInfoAccess
OCSP - URI:http://ocsp2.globalsign.com/rootr3
crlDistributionPoints
Full Name: URI:http://crl.globalsign.com/root-r3.crl
certificatePolicies
Policy: X509v3 Any Policy CPS: https://www.globalsign.com/repository/
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Chain certificate 2

Subject
OU=GlobalSign Root CA - R3 O=GlobalSign CN=GlobalSign
Issuer
OU=GlobalSign Root CA - R3 O=GlobalSign CN=GlobalSign
Valid from
2009-03-18T10:00:00+00:00
Expires
2029-03-18T10:00:00+00:00
Days remaining
899
Serial (hex)
04000000000121585308A2
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

CB:B5:22:D7:B7:F1:27:AD:6A:01:13:86:5B:DF:1C:D4:10:2E:7D:07:59:AF:63:5A:7C:F4:72:0D:C9:63:C5:3B
Certificate extensions & PEM
keyUsage
Certificate Sign, CRL Sign
basicConstraints
CA:TRUE
subjectKeyIdentifier
8F:F0:4B:7F:A8:2E:45:24:AE:4D:50:FA:63:9A:8B:DE:E2:DD:1B:BC
-----BEGIN CERTIFICATE-----
MIIDXzCCAkegAwIBAgILBAAAAAABIVhTCKIwDQYJKoZIhvcNAQELBQAwTDEgMB4G
A1UECxMXR2xvYmFsU2lnbiBSb290IENBIC0gUjMxEzARBgNVBAoTCkdsb2JhbFNp
Z24xEzARBgNVBAMTCkdsb2JhbFNpZ24wHhcNMDkwMzE4MTAwMDAwWhcNMjkwMzE4
MTAwMDAwWjBMMSAwHgYDVQQLExdHbG9iYWxTaWduIFJvb3QgQ0EgLSBSMzETMBEG
A1UEChMKR2xvYmFsU2lnbjETMBEGA1UEAxMKR2xvYmFsU2lnbjCCASIwDQYJKoZI
hvcNAQEBBQADggEPADCCAQoCggEBAMwldpB5BngiFvXAg7aEyiie/QV2EcWtiHL8
RgJDx7KKnQRfJMsuS+FggkbhUqsMgUdwbN1k0ev1LKMPgj0MK66X17YUhhB5uzsT
gHeMCOFJ0mpiLx9e+pZo34knlTifBtc+ycsmWQ1z3rDI6SYOgxXG71uL0gRgykmm
KPZpO/bLyCiR5Z2KYVc3rHQU3HTgOu5yLy6c+9C7v/U9AOEGM+iCK65TpjoWc4zd
QQ4gOsC0p6Hpsk+QLjJg6VfLuQSSaGjlOCZgdbKfd/+RFO+uIEn8rUAVSNECMWEZ
XriX7613t2Saer9fwRPvm2L7DWzgVGkWqQPabumDk3F2xmmFghcCAwEAAaNCMEAw
DgYDVR0PAQH/BAQDAgEGMA8GA1UdEwEB/wQFMAMBAf8wHQYDVR0OBBYEFI/wS3+o
LkUkrk1Q+mOai97i3Ru8MA0GCSqGSIb3DQEBCwUAA4IBAQBLQNvAUKr+yAzv95ZU
RUm7lgAJQayzE4aGKAczymvmdLm6AC2upArT9fHxD4q/c2dKg8dEe3jgr25sbwMp
jjM5RcOO5LlXbKr8EpbsU8Yt5CRsuZRj+9xTaGdWPoO4zzUhw8lo/s7awlOqzJCK
6fBdRoyV3XpYKBovHd7NADdBj+1EbddTKJd+82cEHhXXipa0095MJ6RMG3NzdvQX
mcIfeg7jLQitChws/zyrVQ4PkX4268NXSb7hLi18YIvDQVETI53O9zJrlAGomecs
Mx86OyXShkDOOyyGeMlhLxS67ttVb9+E7gUJTb0o2HLO02JQZR7rkpeDMdmztcpH
WD9f
-----END CERTIFICATE-----

One endpoint on port 443. Server-presented chain; no revocation, OCSP, CT or full TLS security scan.

View certificate JSON

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