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.hk |
SANs: | DNS:kayak.com.hk Total number of SANs: 1 |
Signature Algorithm: | sha256WithRSAEncryption |
Key Type: | RSA |
Key size: | 2048 bits |
Serial Number: | 41ee111257a99843eab488d706157a2355d |
Not Before: | Mar 12, 2024 15:17:08 GMT |
Not After: | Jun 10, 2024 15:17:07 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.hk
Decode this certificate for verbose information → launchSubject Common Name | kayak.com.hk |
Issuer Common Name | R3 |
Issuer Organization | Let's Encrypt |
Not Before: | Mar 12, 2024 15:17:08 GMT |
Not After: | Jun 10, 2024 15:17:07 GMT |
Signature Algorithm: | sha256WithRSAEncryption |
Serial Number: | 41ee111257a99843eab488d706157a2355d |
SHA1 Fingerprint: | 49:DF:0F:6A:A6:7C:F0:34:56:F2:39:88:6C:AB:7E:56:B6:D9:AC:84 |
MD5 Fingerprint: | 60:18:82:D8:A3:7F:CA:DD:EF:A7:16:9B:A2:59:82:83 |
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.hk 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 23 07:44:00 2024 GMT Responses: Certificate ID: Hash Algorithm: sha1 Issuer Name Hash: 48DAC9A0FB2BD32D4FF0DE68D2F567B735F9B3C4 Issuer Key Hash: 142EB317B75856CBAE500940E61FAF9D8B14C2C6 Serial Number: 041EE111257A99843EAB488D706157A2355D Cert Status: good This Update: Apr 23 07:44:00 2024 GMT Next Update: Apr 30 07:43:58 2024 GMT Signature Algorithm: sha256WithRSAEncryption 95:3f:a8:12:3f:0b:4c:9d:82:3b:56:34:6e:7e:86:8e:93:e1: be:7f:cd:8c:cb:77:11:2d:df:2b:e3:34:bf:c4:7a:77:bc:d9: be:58:c9:73:55:85:f5:cf:51:9e:d3:64:b6:b7:a2:f7:18:24: e0:8c:84:12:b2:dc:49:62:aa:14:84:4e:7c:60:42:08:71:b7: c7:a3:16:46:0c:49:fc:0d:7e:43:90:a3:7e:ba:9f:42:5f:7e: 0d:2b:61:55:33:cd:69:ac:e0:9c:e8:8e:ef:53:04:8f:bc:10: 28:73:93:78:ce:65:7a:cd:28:aa:f4:cc:06:0b:01:0d:58:2d: 09:4c:3b:db:05:8a:c7:f3:66:aa:f2:df:d1:22:58:35:0c:4c: a8:ed:3e:b0:02:fb:a0:a6:00:a9:e0:e4:a1:41:32:38:64:fc: 49:17:39:2f:69:5a:d0:cb:d5:e9:5f:ce:50:b1:74:d1:c4:a4: 26:36:22:ac:c5:33:be:79:e7:91:aa:9f:a5:a3:ae:c3:7e:2c: 57:ed:a6:a4:27:3f:a2:ba:fe:bf:64:1e:26:2b:4d:78:77:00: 0d:e1:7a:1f:b9:0d:82:62:8f:4e:53:82:6d:8d:29:3e:31:f5: e4:5c:5f:b9:06:6f:e5:b1:d4:79:c3:27:af:94:dd:66:31:44: d9:ca:da:6a ====================================== --- Certificate chain 0 s:CN = kayak.com.hk i:C = US, O = Let's Encrypt, CN = R3 -----BEGIN CERTIFICATE----- MIIE5DCCA8ygAwIBAgISBB7hESV6mYQ+q0iNcGFXojVdMA0GCSqGSIb3DQEBCwUA MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD EwJSMzAeFw0yNDAzMTIxNTE3MDhaFw0yNDA2MTAxNTE3MDdaMBcxFTATBgNVBAMT DGtheWFrLmNvbS5oazCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBALzp /mQCx1yRJHOKKsgY3hhn/U4DZ/jforwCxdWtpnG6ZBRW6rsrFhie+QABrTduyQIi /Vdf7E8241rl23xTCpyjFxzYHApe8yw7JWM3azF7dp0CxMgYrlGgRXm6AedNpVti vihxcXJsBiZevT0T8OTKVXDknsV4tH2amdk2K8jFCi9wGNDe/kYmSVP91yqX0Z8u Nh0E8n+LDDSrequBicdKJ42hZhhQBYamS0Xra6TOabGJvpdi2UsK1ar95m5piut8 FF/u6S5pSbenhneCkRhlbwUb+wD1FA9ZeMJv0EtUZ9uFhV/MFeJWTnxAC1KDmkgl I1kyHFhSVPFQ4/xi8G0CAwEAAaOCAg0wggIJMA4GA1UdDwEB/wQEAwIFoDAdBgNV HSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4E FgQUJmLLdP2By/ASjdLYuVhJ4/YoeRswHwYDVR0jBBgwFoAUFC6zF7dYVsuuUAlA 5h+vnYsUwsYwVQYIKwYBBQUHAQEESTBHMCEGCCsGAQUFBzABhhVodHRwOi8vcjMu by5sZW5jci5vcmcwIgYIKwYBBQUHMAKGFmh0dHA6Ly9yMy5pLmxlbmNyLm9yZy8w FwYDVR0RBBAwDoIMa2F5YWsuY29tLmhrMBMGA1UdIAQMMAowCAYGZ4EMAQIBMIIB AwYKKwYBBAHWeQIEAgSB9ASB8QDvAHUAO1N3dT4tuYBOizBbBv5AO2fYT8P0x70A DS1yb+H61BcAAAGOM3QTugAABAMARjBEAiAUFj0bCQsI6ygD35xS1MwFi1u/5jT5 93um76Rcm8dg1wIgGFfxLWLtKD2GI5lrl23v5x1ImeexLV4zCiTc9U9djVQAdgDu zdBk1dsazsVct520zROiModGfLzs3sNRSFlGcR+1mwAAAY4zdBO8AAAEAwBHMEUC IBKNaHdXIoeAAa2uZR6ZBKyLMn0nvm/6KvbE1FNX1jHoAiEAsPjDs8QXGRJ/Sqr+ f1sCvrlAYR05emPw5dhCsXTX8NwwDQYJKoZIhvcNAQELBQADggEBAJmsc27/QLak 0tu0uryWxKihxWLJy9+H0GsdK4jF/4yltjaOPIHmAZRe1lT5qzdYkU1VCNYJz6vO q2CHApofL9wboGIvXUFrui9B6+f9pmOzRMjCxhjLJUhDHEh23tu9DgfOxJvlVkGv CR/lPrwmxdSAa2rinnkPe060BRZge2oHDTDT3FU3LFIJRDGGqDSvkeYHzUIHQgDC /udl6yBw1O7jVhLdeshO1Uhm+t1Dc6gAThuBZ2gdhsyGlIjIL7/FFKLcfoXuQHid 6OyuQw0ieSIyUutmgVeh1IN4MbVM8ngUfO9MdkR11KbdcnjIEBBu22YUcYOw4a3m 7wDOhUDAczc= -----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.hk 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 5007 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: 0B9C715A2A401AE253B41EFB63F9B54887A2F534EC9A53F1E006A02DE31784EC Session-ID-ctx: Resumption PSK: 4533E8DD07BC62407717B136753E641AEC0EFF0EE096A2C422B3B064A0AADDE8 PSK identity: None PSK identity hint: None SRP username: None TLS session ticket lifetime hint: 3600 (seconds) TLS session ticket: 0000 - ee 80 18 98 e5 9f 76 d3-ff 1f f0 6e 8a af 9c e6 ......v....n.... 0010 - 22 31 44 da c7 fd 51 60-52 79 0a 0a df d9 2c c0 "1D...Q`Ry....,. 0020 - 2e a1 08 65 1b b6 bf 66-be ec b3 bb 22 6b 26 2a ...e...f...."k&* 0030 - 30 5b 01 fd 24 11 b7 89-7f e2 78 12 90 9e e7 2f 0[..$.....x..../ 0040 - 80 e4 cf 01 bf 40 14 02-5e ef 8e b3 a1 ff 5a e6 .....@..^.....Z. 0050 - 51 69 8d 72 9f a2 06 ea-61 41 36 c6 3a 1a d2 a7 Qi.r....aA6.:... 0060 - f6 77 49 b9 a2 9e 54 a4-68 bb 85 3a 11 61 6f 49 .wI...T.h..:.aoI 0070 - c0 e3 0e cb 59 77 37 38-19 82 4a 0d 48 1b 10 ab ....Yw78..J.H... 0080 - 50 c6 19 eb e6 0f 02 ed-c0 a8 e2 c5 01 e4 67 56 P.............gV 0090 - 6f f5 95 3c 32 03 6e f0-29 c7 70 3c 18 eb 25 e7 o..<2.n.).p<..%. Start Time: 1714085930 Timeout : 7200 (sec) Verify return code: 0 (ok) Extended master secret: no Max Early Data: 8192 --- read R BLOCK