SSL Checker
Submit the Hostname and Port in the fields below. This checker supports SNI and STARTTLS.
Report
It's all good. We have not detected any issues.
Hostname: | done Matches Common Name or/and SAN |
Expired: | done No (45 days till expiration) |
Public Key: | done We were unable to find any issues in the public key of end-entity certificate |
Trusted: | done Yes, we were able to verify the certificate |
Self-Signed: | done No, the end-entity certificate is not self-signed |
Chain Issues: | done No, we were unable to detect any issues in the certificate chain sent by the server |
Weak signatures: | done No, certificates sent by the server were not signed utilizing a weak hash function |
OCSP Status: | done OCSP Responder returned "good" status for the end-entity certificate |
DNS Information
Resolves To: | 151.101.1.29 |
Reverse IP lookup: | No records found |
Nameserver: | ns01.r9dns.net. |
Nameserver: | ns02.r9dns.net. |
Nameserver: | ns03.r9dns.net. |
Nameserver: | ns04.r9dns.net. |
Nameserver: | dns1.p10.nsone.net. |
Nameserver: | dns2.p10.nsone.net. |
Nameserver: | dns3.p10.nsone.net. |
Nameserver: | dns4.p10.nsone.net. |
General Information
Common Name: | kayak.com.tr |
SANs: | DNS:kayak.com.tr Total number of SANs: 1 |
Signature Algorithm: | sha256WithRSAEncryption |
Key Type: | RSA |
Key size: | 2048 bits |
Serial Number: | 4ea7dfac08d62a6707885d1101f670ee053 |
Not Before: | Mar 12, 2024 14:46:25 GMT |
Not After: | Jun 10, 2024 14:46:24 GMT |
Number of certs: | 3 |
Revocation Status: | good |
OCSP Stapling: | Supported |
Server: | Varnish |
HSTS: | Not Supported |
HPKP: | Not Supported |
Chain Information
Certificate # 1 - Common Name: kayak.com.tr
Decode this certificate for verbose information → launchSubject Common Name | kayak.com.tr |
Issuer Common Name | R3 |
Issuer Organization | Let's Encrypt |
Not Before: | Mar 12, 2024 14:46:25 GMT |
Not After: | Jun 10, 2024 14:46:24 GMT |
Signature Algorithm: | sha256WithRSAEncryption |
Serial Number: | 4ea7dfac08d62a6707885d1101f670ee053 |
SHA1 Fingerprint: | 26:D8:B6:09:4C:F4:A8:E0:79:F2:AE:EB:15:49:96:CF:55:A2:66:A2 |
MD5 Fingerprint: | D3:A2:CF:02:50:82:8F:D6:32:AD:FA:11:A3:AA:6E:92 |
Certificate # 2 - Common Name: R3
Decode this certificate for verbose information → launchIn place? | Yes, this certificate directly certifies the preceding one |
Subject Common Name | R3 |
Subject Organization | Let's Encrypt |
Issuer Common Name | ISRG Root X1 |
Issuer Organization | Internet Security Research Group |
Not Before: | Sep 04, 2020 00:00:00 GMT |
Not After: | Sep 15, 2025 16:00:00 GMT |
Signature Algorithm: | sha256WithRSAEncryption |
Serial Number: | 912b084acf0c18a753f6d62e25a75f5a |
SHA1 Fingerprint: | A0:53:37:5B:FE:84:E8:B7:48:78:2C:7C:EE:15:82:7A:6A:F5:A4:05 |
MD5 Fingerprint: | E8:29:E6:5D:7C:43:07:D6:FB:C1:3C:17:9E:03:7A:36 |
Certificate # 3 - Common Name: ISRG Root X1
Decode this certificate for verbose information → launchIn place? | Yes, this certificate directly certifies the preceding one |
Subject Common Name | ISRG Root X1 |
Subject Organization | Internet Security Research Group |
Issuer Common Name | DST Root CA X3 |
Issuer Organization | Digital Signature Trust Co. |
Not Before: | Jan 20, 2021 19:14:03 GMT |
Not After: | Sep 30, 2024 18:14:03 GMT |
Signature Algorithm: | sha256WithRSAEncryption |
Serial Number: | 4001772137d4e942b8ee76aa3c640ab7 |
SHA1 Fingerprint: | 93:3C:6D:DE:E9:5C:9C:41:A4:0F:9F:50:49:3D:82:BE:03:AD:87:BF |
MD5 Fingerprint: | C1:E1:FF:07:F9:F6:88:49:82:74:D1:A1:80:53:EA:BF |
OpenSSL Handshake
depth=2 C = US, O = Internet Security Research Group, CN = ISRG Root X1 verify return:1 depth=1 C = US, O = Let's Encrypt, CN = R3 verify return:1 depth=0 CN = kayak.com.tr verify return:1 CONNECTED(00000003) OCSP response: ====================================== OCSP Response Data: OCSP Response Status: successful (0x0) Response Type: Basic OCSP Response Version: 1 (0x0) Responder Id: C = US, O = Let's Encrypt, CN = R3 Produced At: Apr 21 21:24:00 2024 GMT Responses: Certificate ID: Hash Algorithm: sha1 Issuer Name Hash: 48DAC9A0FB2BD32D4FF0DE68D2F567B735F9B3C4 Issuer Key Hash: 142EB317B75856CBAE500940E61FAF9D8B14C2C6 Serial Number: 04EA7DFAC08D62A6707885D1101F670EE053 Cert Status: good This Update: Apr 21 21:24:00 2024 GMT Next Update: Apr 28 21:23:58 2024 GMT Signature Algorithm: sha256WithRSAEncryption 7b:21:42:aa:25:67:86:9f:21:37:58:50:ca:bf:9b:e4:70:71: 8f:6a:8e:b4:5c:75:08:fc:d1:fe:f8:c5:f0:39:ff:ca:f7:d4: ef:63:d7:80:3a:8f:9f:ce:21:01:03:8d:90:fc:75:9b:90:82: 90:28:d4:1b:66:1a:f6:16:45:12:af:9d:b9:17:4a:06:3c:fd: ac:37:9e:2c:e1:37:15:6c:b5:72:22:3e:1e:5c:e4:d8:06:52: 8b:38:35:32:1a:2f:f4:a8:ca:dd:7f:45:69:96:c7:e1:d7:09: 31:89:31:94:cd:d6:61:2d:a4:3b:d7:2e:59:13:54:f2:1b:2b: 7b:7f:9e:bf:18:ac:3e:30:38:99:bf:ab:f7:36:13:a8:3f:4c: e7:19:7b:a6:db:57:6f:f9:cb:42:a3:b8:cc:31:90:6d:ee:fb: 15:38:e1:49:0d:89:ba:01:12:2e:c5:cd:29:26:f6:fc:0e:74: a2:16:9b:d4:b4:83:21:18:d6:7a:1b:c0:ee:40:6d:2d:c1:7a: f1:27:a3:48:ab:14:5b:96:45:5e:09:93:e0:18:f4:09:9b:6c: f6:0e:56:48:6a:ca:a0:e6:c5:79:f5:22:64:7d:48:01:78:7b: ce:86:4f:e4:65:75:d6:54:a0:ea:7f:bd:6e:ab:67:f6:e3:43: 83:93:66:39 ====================================== --- Certificate chain 0 s:CN = kayak.com.tr i:C = US, O = Let's Encrypt, CN = R3 -----BEGIN CERTIFICATE----- MIIE5TCCA82gAwIBAgISBOp9+sCNYqZweIXREB9nDuBTMA0GCSqGSIb3DQEBCwUA MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD EwJSMzAeFw0yNDAzMTIxNDQ2MjVaFw0yNDA2MTAxNDQ2MjRaMBcxFTATBgNVBAMT DGtheWFrLmNvbS50cjCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBALzp /mQCx1yRJHOKKsgY3hhn/U4DZ/jforwCxdWtpnG6ZBRW6rsrFhie+QABrTduyQIi /Vdf7E8241rl23xTCpyjFxzYHApe8yw7JWM3azF7dp0CxMgYrlGgRXm6AedNpVti vihxcXJsBiZevT0T8OTKVXDknsV4tH2amdk2K8jFCi9wGNDe/kYmSVP91yqX0Z8u Nh0E8n+LDDSrequBicdKJ42hZhhQBYamS0Xra6TOabGJvpdi2UsK1ar95m5piut8 FF/u6S5pSbenhneCkRhlbwUb+wD1FA9ZeMJv0EtUZ9uFhV/MFeJWTnxAC1KDmkgl I1kyHFhSVPFQ4/xi8G0CAwEAAaOCAg4wggIKMA4GA1UdDwEB/wQEAwIFoDAdBgNV HSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4E FgQUJmLLdP2By/ASjdLYuVhJ4/YoeRswHwYDVR0jBBgwFoAUFC6zF7dYVsuuUAlA 5h+vnYsUwsYwVQYIKwYBBQUHAQEESTBHMCEGCCsGAQUFBzABhhVodHRwOi8vcjMu by5sZW5jci5vcmcwIgYIKwYBBQUHMAKGFmh0dHA6Ly9yMy5pLmxlbmNyLm9yZy8w FwYDVR0RBBAwDoIMa2F5YWsuY29tLnRyMBMGA1UdIAQMMAowCAYGZ4EMAQIBMIIB BAYKKwYBBAHWeQIEAgSB9QSB8gDwAHYAO1N3dT4tuYBOizBbBv5AO2fYT8P0x70A DS1yb+H61BcAAAGOM1fy6gAABAMARzBFAiBQBx8D7yT/Rlhmtslx3uAwpuoBvT2b Gap9stCd/26pBwIhAOAoKWuEC5GN+E/FPVUSKkdub2+4rXcbQ0Oc3tuPaaK3AHYA ouK/1h7eLy8HoNZObTen3GVDsMa1LqLat4r4mm31F9gAAAGOM1fy+AAABAMARzBF AiEAokbTyHlsi8ny5014E6qMKPGZeXAg7ntwVNJcDHUoM9ECIHtq2Ze44sxziBLz CsMfJzJe469UiBDv+xvShcBIBQRvMA0GCSqGSIb3DQEBCwUAA4IBAQCCnmCJMq4V oa3y7NMTzkq9Cv7urD9KhVisrQzsG4WawR7eURR6Lfu7emizUiEowP0sbw1Iykfm RewekCAkSNiuk36BiyI+cEdIJAPoXyCg1mipjboduNM6GqYVfjRHQ5GjRp2OHpCP vbq6v3U6PATngI87f5/vZ1IEtH/2/gt6RC/QP6CKkP77+9I5LbjDo9MKZGAG3CmC Vo2F2TgBozk7qhxvmjzIVQJsqx3iAf/HaismauRWSA2Jysvi8b7mc841efN8twCD jf37gFXNlnSv5XPQneCo03EBX+0SoapRBEgFsXcJlbzQPqUI+ICuHYjvCnHo6fIi CkNtLukgedQn -----END CERTIFICATE----- 1 s:C = US, O = Let's Encrypt, CN = R3 i:C = US, O = Internet Security Research Group, CN = ISRG Root X1 -----BEGIN CERTIFICATE----- MIIFFjCCAv6gAwIBAgIRAJErCErPDBinU/bWLiWnX1owDQYJKoZIhvcNAQELBQAw TzELMAkGA1UEBhMCVVMxKTAnBgNVBAoTIEludGVybmV0IFNlY3VyaXR5IFJlc2Vh cmNoIEdyb3VwMRUwEwYDVQQDEwxJU1JHIFJvb3QgWDEwHhcNMjAwOTA0MDAwMDAw WhcNMjUwOTE1MTYwMDAwWjAyMQswCQYDVQQGEwJVUzEWMBQGA1UEChMNTGV0J3Mg RW5jcnlwdDELMAkGA1UEAxMCUjMwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEK AoIBAQC7AhUozPaglNMPEuyNVZLD+ILxmaZ6QoinXSaqtSu5xUyxr45r+XXIo9cP R5QUVTVXjJ6oojkZ9YI8QqlObvU7wy7bjcCwXPNZOOftz2nwWgsbvsCUJCWH+jdx sxPnHKzhm+/b5DtFUkWWqcFTzjTIUu61ru2P3mBw4qVUq7ZtDpelQDRrK9O8Zutm NHz6a4uPVymZ+DAXXbpyb/uBxa3Shlg9F8fnCbvxK/eG3MHacV3URuPMrSXBiLxg Z3Vms/EY96Jc5lP/Ooi2R6X/ExjqmAl3P51T+c8B5fWmcBcUr2Ok/5mzk53cU6cG /kiFHaFpriV1uxPMUgP17VGhi9sVAgMBAAGjggEIMIIBBDAOBgNVHQ8BAf8EBAMC AYYwHQYDVR0lBBYwFAYIKwYBBQUHAwIGCCsGAQUFBwMBMBIGA1UdEwEB/wQIMAYB Af8CAQAwHQYDVR0OBBYEFBQusxe3WFbLrlAJQOYfr52LFMLGMB8GA1UdIwQYMBaA FHm0WeZ7tuXkAXOACIjIGlj26ZtuMDIGCCsGAQUFBwEBBCYwJDAiBggrBgEFBQcw AoYWaHR0cDovL3gxLmkubGVuY3Iub3JnLzAnBgNVHR8EIDAeMBygGqAYhhZodHRw Oi8veDEuYy5sZW5jci5vcmcvMCIGA1UdIAQbMBkwCAYGZ4EMAQIBMA0GCysGAQQB gt8TAQEBMA0GCSqGSIb3DQEBCwUAA4ICAQCFyk5HPqP3hUSFvNVneLKYY611TR6W PTNlclQtgaDqw+34IL9fzLdwALduO/ZelN7kIJ+m74uyA+eitRY8kc607TkC53wl ikfmZW4/RvTZ8M6UK+5UzhK8jCdLuMGYL6KvzXGRSgi3yLgjewQtCPkIVz6D2QQz CkcheAmCJ8MqyJu5zlzyZMjAvnnAT45tRAxekrsu94sQ4egdRCnbWSDtY7kh+BIm lJNXoB1lBMEKIq4QDUOXoRgffuDghje1WrG9ML+Hbisq/yFOGwXD9RiX8F6sw6W4 avAuvDszue5L3sz85K+EC4Y/wFVDNvZo4TYXao6Z0f+lQKc0t8DQYzk1OXVu8rp2 yJMC6alLbBfODALZvYH7n7do1AZls4I9d1P4jnkDrQoxB3UqQ9hVl3LEKQ73xF1O yK5GhDDX8oVfGKF5u+decIsH4YaTw7mP3GFxJSqv3+0lUFJoi5Lc5da149p90Ids hCExroL1+7mryIkXPeFM5TgO9r0rvZaBFOvV2z0gp35Z0+L4WPlbuEjN/lxPFin+ HlUjr8gRsI3qfJOQFy/9rKIJR0Y/8Omwt/8oTWgy1mdeHmmjk7j1nYsvC9JSQ6Zv MldlTTKB3zhThV1+XWYp6rjd5JW1zbVWEkLNxE7GJThEUG3szgBVGP7pSWTUTsqX nLRbwHOoq7hHwg== -----END CERTIFICATE----- 2 s:C = US, O = Internet Security Research Group, CN = ISRG Root X1 i:O = Digital Signature Trust Co., CN = DST Root CA X3 -----BEGIN CERTIFICATE----- MIIFYDCCBEigAwIBAgIQQAF3ITfU6UK47naqPGQKtzANBgkqhkiG9w0BAQsFADA/ MSQwIgYDVQQKExtEaWdpdGFsIFNpZ25hdHVyZSBUcnVzdCBDby4xFzAVBgNVBAMT DkRTVCBSb290IENBIFgzMB4XDTIxMDEyMDE5MTQwM1oXDTI0MDkzMDE4MTQwM1ow TzELMAkGA1UEBhMCVVMxKTAnBgNVBAoTIEludGVybmV0IFNlY3VyaXR5IFJlc2Vh cmNoIEdyb3VwMRUwEwYDVQQDEwxJU1JHIFJvb3QgWDEwggIiMA0GCSqGSIb3DQEB AQUAA4ICDwAwggIKAoICAQCt6CRz9BQ385ueK1coHIe+3LffOJCMbjzmV6B493XC ov71am72AE8o295ohmxEk7axY/0UEmu/H9LqMZshftEzPLpI9d1537O4/xLxIZpL wYqGcWlKZmZsj348cL+tKSIG8+TA5oCu4kuPt5l+lAOf00eXfJlII1PoOK5PCm+D LtFJV4yAdLbaL9A4jXsDcCEbdfIwPPqPrt3aY6vrFk/CjhFLfs8L6P+1dy70sntK 4EwSJQxwjQMpoOFTJOwT2e4ZvxCzSow/iaNhUd6shweU9GNx7C7ib1uYgeGJXDR5 bHbvO5BieebbpJovJsXQEOEO3tkQjhb7t/eo98flAgeYjzYIlefiN5YNNnWe+w5y sR2bvAP5SQXYgd0FtCrWQemsAXaVCg/Y39W9Eh81LygXbNKYwagJZHduRze6zqxZ Xmidf3LWicUGQSk+WT7dJvUkyRGnWqNMQB9GoZm1pzpRboY7nn1ypxIFeFntPlF4 FQsDj43QLwWyPntKHEtzBRL8xurgUBN8Q5N0s8p0544fAQjQMNRbcTa0B7rBMDBc SLeCO5imfWCKoqMpgsy6vYMEG6KDA0Gh1gXxG8K28Kh8hjtGqEgqiNx2mna/H2ql PRmP6zjzZN7IKw0KKP/32+IVQtQi0Cdd4Xn+GOdwiK1O5tmLOsbdJ1Fu/7xk9TND TwIDAQABo4IBRjCCAUIwDwYDVR0TAQH/BAUwAwEB/zAOBgNVHQ8BAf8EBAMCAQYw SwYIKwYBBQUHAQEEPzA9MDsGCCsGAQUFBzAChi9odHRwOi8vYXBwcy5pZGVudHJ1 c3QuY29tL3Jvb3RzL2RzdHJvb3RjYXgzLnA3YzAfBgNVHSMEGDAWgBTEp7Gkeyxx +tvhS5B1/8QVYIWJEDBUBgNVHSAETTBLMAgGBmeBDAECATA/BgsrBgEEAYLfEwEB ATAwMC4GCCsGAQUFBwIBFiJodHRwOi8vY3BzLnJvb3QteDEubGV0c2VuY3J5cHQu b3JnMDwGA1UdHwQ1MDMwMaAvoC2GK2h0dHA6Ly9jcmwuaWRlbnRydXN0LmNvbS9E U1RST09UQ0FYM0NSTC5jcmwwHQYDVR0OBBYEFHm0WeZ7tuXkAXOACIjIGlj26Ztu MA0GCSqGSIb3DQEBCwUAA4IBAQAKcwBslm7/DlLQrt2M51oGrS+o44+/yQoDFVDC 5WxCu2+b9LRPwkSICHXM6webFGJueN7sJ7o5XPWioW5WlHAQU7G75K/QosMrAdSW 9MUgNTP52GE24HGNtLi1qoJFlcDyqSMo59ahy2cI2qBDLKobkx/J3vWraV0T9VuG WCLKTVXkcGdtwlfFRjlBz4pYg1htmf5X6DYO8A4jqv2Il9DjXA6USbW1FzXSLr9O he8Y4IWS6wY7bCkjCWDcRQJMEhg76fsO3txE+FiYruq9RUWhiF1myv4Q6W+CyBFC Dfvp7OOGAN6dEOM4+qR9sdjoSYKEBpsr6GtPAQw4dy753ec5 -----END CERTIFICATE----- --- Server certificate subject=CN = kayak.com.tr issuer=C = US, O = Let's Encrypt, CN = R3 --- No client certificate CA names sent Peer signing digest: SHA256 Peer signature type: RSA-PSS Server Temp Key: X25519, 253 bits --- SSL handshake has read 5008 bytes and written 387 bytes Verification: OK --- New, TLSv1.3, Cipher is TLS_AES_128_GCM_SHA256 Server public key is 2048 bit Secure Renegotiation IS NOT supported Compression: NONE Expansion: NONE No ALPN negotiated Early data was not sent Verify return code: 0 (ok) --- DONE --- Post-Handshake New Session Ticket arrived: SSL-Session: Protocol : TLSv1.3 Cipher : TLS_AES_128_GCM_SHA256 Session-ID: 401DD12A937014124C91FC83B8D02CC6894C3478D7864032246B9FA4206A7E4C Session-ID-ctx: Resumption PSK: 0D4276A2BFB3130FE77A28D8427034886CD418B37274DE40840D3BFE3ADC7CD5 PSK identity: None PSK identity hint: None SRP username: None TLS session ticket lifetime hint: 3600 (seconds) TLS session ticket: 0000 - 2f f9 a6 c3 2a 6d 4d a6-f3 3f 6c 6b 17 04 aa 17 /...*mM..?lk.... 0010 - 3c 0f e2 44 7d 6d fe 39-6d 8b 58 35 c1 46 74 d2 <..D}m.9m.X5.Ft. 0020 - 46 30 63 a3 20 fb 14 f4-e9 bb a4 65 e0 62 21 7e F0c. ......e.b!~ 0030 - b4 eb 51 dc 6f 6e ac 8f-7e 94 06 af cc 80 f1 ec ..Q.on..~....... 0040 - 33 9b 7c b0 58 85 cf 13-78 65 9c 1b 36 34 f6 c2 3.|.X...xe..64.. 0050 - 25 a4 28 f9 95 3b 55 12-87 6a b9 c3 61 51 e1 d4 %.(..;U..j..aQ.. 0060 - ca d3 f2 47 60 43 4b 46-59 50 04 16 79 24 b0 7b ...G`CKFYP..y$.{ 0070 - 13 ad 9b 44 93 df 75 2f-4f 2d 9d 4f 0e 06 c9 8c ...D..u/O-.O.... 0080 - 13 fe 10 05 c9 29 82 05-b0 16 f3 cf a4 88 49 db .....)........I. 0090 - c0 e5 23 9c 5f 2d fb b4-72 01 f1 e8 ab ce b7 69 ..#._-..r......i Start Time: 1714111393 Timeout : 7200 (sec) Verify return code: 0 (ok) Extended master secret: no Max Early Data: 8192 --- read R BLOCK