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 (88 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: | 128.226.118.14 |
Reverse IP lookup: | fark.cs.binghamton.edu. |
Nameserver: | dns4.cs.binghamton.edu. |
Nameserver: | dns1.cs.binghamton.edu. |
Nameserver: | dns2.cs.binghamton.edu. |
Nameserver: | dns3.cs.binghamton.edu. |
General Information
Common Name: | *.cs.binghamton.edu |
SANs: | DNS:*.cs.binghamton.eduDNS:cs.binghamton.edu Total number of SANs: 2 |
Signature Algorithm: | sha256WithRSAEncryption |
Key Type: | RSA |
Key size: | 2048 bits |
Serial Number: | 478dc46a7d45da5a48dadfdf2990d08cf31 |
Not Before: | May 09, 2024 21:19:19 GMT |
Not After: | Aug 07, 2024 21:19:18 GMT |
Number of certs: | 2 |
Revocation Status: | good |
OCSP Stapling: | Not Supported |
Server: | Apache/2.4.59 |
HSTS: | Not Supported |
HPKP: | Not Supported |
Chain Information
Certificate # 1 - Common Name: *.cs.binghamton.edu
Decode this certificate for verbose information → launchSubject Common Name | *.cs.binghamton.edu |
Issuer Common Name | R3 |
Issuer Organization | Let's Encrypt |
Not Before: | May 09, 2024 21:19:19 GMT |
Not After: | Aug 07, 2024 21:19:18 GMT |
Signature Algorithm: | sha256WithRSAEncryption |
Serial Number: | 478dc46a7d45da5a48dadfdf2990d08cf31 |
SHA1 Fingerprint: | E6:E3:75:90:DB:B5:0E:38:E8:49:61:CB:7B:97:82:7B:47:EE:81:C6 |
MD5 Fingerprint: | 82:90:69:CE:F2:00:3E:6F:74:DC:48:51:1A:7D:9F:1E |
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 |
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 = *.cs.binghamton.edu verify return:1 CONNECTED(00000003) OCSP response: no response sent --- Certificate chain 0 s:CN = *.cs.binghamton.edu i:C = US, O = Let's Encrypt, CN = R3 -----BEGIN CERTIFICATE----- MIIFBDCCA+ygAwIBAgISBHjcRqfUXaWkja398pkNCM8xMA0GCSqGSIb3DQEBCwUA MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD EwJSMzAeFw0yNDA1MDkyMTE5MTlaFw0yNDA4MDcyMTE5MThaMB4xHDAaBgNVBAMM EyouY3MuYmluZ2hhbXRvbi5lZHUwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEK AoIBAQDcvICXCBboXI0A/oGDwEzw1e6KprKdzGAURlJqwDG478jNV0UgO2RbhPLZ YzZAJ2RVJMUMMGTW/1hvoOGD/SIqc36dZEgYWMuWxxc2Fh7EEDT0Y40XmBwYHiub tPDTEMzirTHYdn2MgoVXy277AqlWJ9BEU5oByLCSLbr0ldIOfOXCF2GdSIrs3wrt nsJpCTuY8v3e39hIjDuYuOiB7wX5e+KofaEysskfxib5ImlFWhYaQyBQIvaNv4ia OvnsUjAE+plRQSkRVhRL3kIHgaFHhON06BUeX0QVGTFm4CmHlzas51hjHAcBsu95 5zj6aI3z2vZOute23mEPebCdUgrtAgMBAAGjggImMIICIjAOBgNVHQ8BAf8EBAMC BaAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAw HQYDVR0OBBYEFBg1w58L7/24CuHZr1MOu95oBOtiMB8GA1UdIwQYMBaAFBQusxe3 WFbLrlAJQOYfr52LFMLGMFUGCCsGAQUFBwEBBEkwRzAhBggrBgEFBQcwAYYVaHR0 cDovL3IzLm8ubGVuY3Iub3JnMCIGCCsGAQUFBzAChhZodHRwOi8vcjMuaS5sZW5j ci5vcmcvMDEGA1UdEQQqMCiCEyouY3MuYmluZ2hhbXRvbi5lZHWCEWNzLmJpbmdo YW10b24uZWR1MBMGA1UdIAQMMAowCAYGZ4EMAQIBMIIBAgYKKwYBBAHWeQIEAgSB 8wSB8ADuAHUAPxdLT9ciR1iUHWUchL4NEu2QN38fhWrrwb8ohez4ZG4AAAGPX3CA PwAABAMARjBEAiBB7sb0hw8YfVRTAFNG2ToEYnD8b5ist8PhaVy+3LiXOgIgQTIQ lYH64AUpWCbcSVvCpyhn791E0BsQxQs3D98i4zgAdQDf4VbrqgWvtZwPhnGNqMAy Tq5W2W6n9aVqAdHBO75SXAAAAY9fcIFtAAAEAwBGMEQCIBNViJ7ImSsi1vWLcglH BJWszujuK7X07U2N6QRxliP1AiBgiPf2EPQ8vDuE3xcXQSLZvQNTG0vY6I2pshOV 6MpFJzANBgkqhkiG9w0BAQsFAAOCAQEAlcpH8X2NY6k8RX9Ykvdt5lEoHY4z4sD0 s+WC4dyBk8yuhyuIZfg1R/BEkq0TCI1Pnb7j7dI/ZPjP272pIMKhl06oWPaNc2t8 GgeSVteGiVCj+J5MKeBMdazzNcR0OyJ7YDxYrd3pdYJuk/qz3C1PoaYaAqLOnCcL 56o9tfenFTNTy13RXml76YIdZ+tHcEW40pP4bJHstP81+rmOO6mefJQNNgnuoLx1 Blf5RDufDWfreUpHp8h7cXwLuWelC7rPuDCbKC8AoFkweEtQ6XOu8GVujZD1zBh6 tWxVU7OWQXo7AsU8Y85Tq8VnDDzSXT6q1XKq+UZqmFSVpt7kQrmU2w== -----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----- --- Server certificate subject=CN = *.cs.binghamton.edu 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 3155 bytes and written 408 bytes Verification: OK --- New, TLSv1.3, Cipher is TLS_AES_256_GCM_SHA384 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