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

ptt.gov.tr · 185.220.152.26:443

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=*.ptt.gov.tr
Issuer
C=BE O=GlobalSign nv-sa CN=GlobalSign GCC R46 OV TLS CA 2025
Valid from
2026-09-17T10:08:20+00:00
Expires
2027-04-04T10:08:20+00:00
Days remaining
181
Serial (hex)
22344EA83D02628C50A559A1
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.ptt.gov.tr, DNS:ptt.gov.tr

SHA-256 fingerprint

36:08:B4:63:FD:10:D8:99:53:E9:D8:F5:9C:B2:5B:41:8B:78:E6:CC:68:A0:CD:03:00:23:09:86:4B:A8:8D:59
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
basicConstraints
CA:FALSE
authorityInfoAccess
CA Issuers - URI:http://secure.globalsign.com/cacert/gsgccr46ovtlsca2025.crt OCSP - URI:http://ocsp.globalsign.com/gsgccr46ovtlsca2025
certificatePolicies
Policy: 2.23.140.1.2.2
crlDistributionPoints
Full Name: URI:http://crl.globalsign.com/gsgccr46ovtlsca2025.crl
subjectAltName
DNS:*.ptt.gov.tr, DNS:ptt.gov.tr
authorityKeyIdentifier
69:74:3E:AF:C3:5B:01:95:49:EE:14:41:5A:93:FA:B1:30:98:DA:A2
extendedKeyUsage
TLS Web Server Authentication
subjectKeyIdentifier
3D:03:C1:75:7F:34:BD:5B:49:87:BA:DE:25:C4:B8:56:7E:EC:48:F8
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 8E:CA:47:0B:AC:DE:6A:F3:A2:06:B0:A4:7A:84:B7:46: FE:1F:C6:BF:95:3E:25:E6:9B:4E:E4:02:48:F3:C6:E8 Timestamp : Sep 17 10:08:39.861 2026 GMT Extensions: 00:00:05:00:0E:67:87:36 Signature : ecdsa-with-SHA256 30:46:02:21:00:FF:F3:4B:FD:C9:BA:01:08:64:14:7B: A4:5D:21:39:42:18:3B:36:D7:94:25:39:D6:28:76:7B: 62:89:61:17:5A:02:21:00:EF:81:5E:28:5A:3B:04:00: F2:C5:12:48:E2:E5:F5:BE:28:83:F1:18:B9:5D:19:EA: 7F:57:18:C6:D4:46:C6:DE 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 : Sep 17 10:08:39.155 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:C6:E7:18:FF:5A:1F:17:F0:54:13:DC: 48:7F:AF:9F:36:1D:92:C2:64:E1:19:77:25:FB:38:B3: A6:DC:FD:E7:CB:02:21:00:D2:28:64:A0:05:84:F0:DB: 5E:C1:B6:F1:5C:0F:37:39:E6:A1:0F:55:57:B6:38:BB: 44:9B:13:7B:0E:BA:61:33 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 : Sep 17 10:08:39.124 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:96:CF:1C:3F:08:74:32:F4:EF:B0:FC: D0:53:93:38:A1:C9:B2:82:14:50:FC:E0:BE:A0:A4:CF: C5:75:40:F3:5E:02:20:50:A8:9B:2A:D0:D6:5C:57:27: 6C:5C:69:97:F6:FE:89:4E:6C:77:FB:53:33:FF:C5:EC: 89:ED:66:85:44:65:87
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES128-GCM-SHA256 · Checked 2026-10-04T13:05:13+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=BE O=GlobalSign nv-sa CN=GlobalSign GCC R46 OV TLS CA 2025
Issuer
C=BE O=GlobalSign nv-sa CN=GlobalSign Root R46
Valid from
2025-09-17T02:55:56+00:00
Expires
2029-06-23T00:00:00+00:00
Days remaining
992
Serial (hex)
84435890836F67394182CB9C9A5DC99F
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

D1:60:E2:DE:4E:56:CB:10:B6:6C:1C:B0:AD:CB:79:CF:93:C7:8D:CD:9D:B3:0C:20:18:22:02:62:C0:40:63:F9
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
69:74:3E:AF:C3:5B:01:95:49:EE:14:41:5A:93:FA:B1:30:98:DA:A2
authorityKeyIdentifier
03:5C:AB:73:81:87:A8:CC:B0:A6:D5:94:E2:36:96:49:FF:05:99:2C
authorityInfoAccess
OCSP - URI:http://ocsp.globalsign.com/rootr46 CA Issuers - URI:http://secure.globalsign.com/cacert/rootr46.crt
crlDistributionPoints
Full Name: URI:http://crl.globalsign.com/rootr46.crl
certificatePolicies
Policy: 2.23.140.1.2.2 Policy: 1.3.6.1.4.1.4146.10.1.2
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Chain certificate 2

Subject
C=BE O=GlobalSign nv-sa CN=GlobalSign Root R46
Issuer
C=BE O=GlobalSign nv-sa CN=GlobalSign Root R46
Valid from
2019-03-20T00:00:00+00:00
Expires
2046-03-20T00:00:00+00:00
Days remaining
7106
Serial (hex)
11D2BBB9D723189E405F0A9D2DD0DF2567D1
Signature
RSA-SHA384
Public key
RSA 4096

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

4F:A3:12:6D:8D:3A:11:D1:C4:85:5A:4F:80:7C:BA:D6:CF:91:9D:3A:5A:88:B0:3B:EA:2C:63:72:D9:3C:40:C9
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
basicConstraints
CA:TRUE
subjectKeyIdentifier
03:5C:AB:73:81:87:A8:CC:B0:A6:D5:94:E2:36:96:49:FF:05:99:2C
-----BEGIN CERTIFICATE-----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-----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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