SSL Checker
Submit the Hostname and Port in the fields below. This checker supports SNI and STARTTLS.
Report
| Hostname: | close Doesn't match Common Name or/and SANs |
| Expired: | done No (84 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: | 104.130.201.120 |
| Reverse IP lookup: | lists.squid-cache.org. |
| Nameserver: | ns.measurement-factory.com. |
| Nameserver: | ns.packet-pushers.com. |
| Nameserver: | ns2.packet-pushers.com. |
General Information
| Common Name: | master.squid-cache.org |
| SANs: | DNS:bugs.squid-cache.orgDNS:lists.squid-cache.orgDNS:master.squid-cache.orgDNS:www.squid-cache.org Total number of SANs: 4 |
| Signature Algorithm: | sha256WithRSAEncryption |
| Key Type: | RSA |
| Key size: | 4096 bits |
| Serial Number: | 40700d9e8068944eaa7f7c06dac1c1d2290 |
| Not Before: | Apr 14, 2024 05:47:19 GMT |
| Not After: | Jul 13, 2024 05:47:18 GMT |
| Number of certs: | 2 |
| Revocation Status: | good |
| OCSP Stapling: | Not Supported |
| Server: | Apache/2.4.41 (Ubuntu) |
| HSTS: | Not Supported |
| HPKP: | Not Supported |
Chain Information
Certificate # 1 - Common Name: master.squid-cache.org
Decode this certificate for verbose information → launch| Subject Common Name | master.squid-cache.org |
| Issuer Common Name | R3 |
| Issuer Organization | Let's Encrypt |
| Not Before: | Apr 14, 2024 05:47:19 GMT |
| Not After: | Jul 13, 2024 05:47:18 GMT |
| Signature Algorithm: | sha256WithRSAEncryption |
| Serial Number: | 40700d9e8068944eaa7f7c06dac1c1d2290 |
| SHA1 Fingerprint: | 1D:D8:61:9B:4B:B3:6B:95:8A:11:69:58:96:10:67:F3:E3:48:E6:F3 |
| MD5 Fingerprint: | B1:00:4D:FD:41:00:E7:1E:FA:B3:DD:15:8F:9A:F4:B4 |
Certificate # 2 - Common Name: R3
Decode this certificate for verbose information → launch| In 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 = master.squid-cache.org verify return:1 CONNECTED(00000003) OCSP response: no response sent --- Certificate chain 0 s:CN = master.squid-cache.org i:C = US, O = Let's Encrypt, CN = R3 -----BEGIN CERTIFICATE----- MIIGOTCCBSGgAwIBAgISBAcA2egGiUTqp/fAbawcHSKQMA0GCSqGSIb3DQEBCwUA MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD EwJSMzAeFw0yNDA0MTQwNTQ3MTlaFw0yNDA3MTMwNTQ3MThaMCExHzAdBgNVBAMT Fm1hc3Rlci5zcXVpZC1jYWNoZS5vcmcwggIiMA0GCSqGSIb3DQEBAQUAA4ICDwAw ggIKAoICAQC+IJObpHYizt8iT0ywAMb3lPxDCkwqcex/z8q0mHm4dnPXogiOR1x7 go8vhKOOfIpUPuKtAX6rlaRvMHKOBYd6BSUBId6VsfLFXirq+rttdTOZ5xNcrwMT hettR32SLbLq274RmKikdEfhPLG9+oRNSctqnkuFgFdJGWw046aWlXkXYvUeREgi N2894gAqqaimL9NQO6kgjNQsVK9M+59X7TKhh67xhpxRQEsGAf/MCWoZ//bBc0pZ t0QNN3j+q0rG/Xcb9higPBLWmTG8WShiGhqILNhCKuLom85jVF6iydXcJAHPyH7V CSIaS7iZR2fCsIJVM9fVh0PL7ghCuODGffIUYBELM84U99hdywZAKo9eiEsBbhBh jMqWOnQj9DzxlnyyQjd2VZL+kkF9vxUYaefojeEba+OyG8FxZyhh7vXKK1f6I6hm oczA66baJYlW3IildnVeQxNxR3yxQ4X5THOl4JrhcQm6R9LYy1OhjGKxsNNpYkk6 bD4vtCN2Hd4DCyhQTxIvJJUS6KlDYIyzm8MvSyF26AJS6TLAwmRydYGXWrlELb7C RuHTFu9Fpz9JcjMZ14ueQfoq3mSDuwZpLeCZRDXpygVt+9dNu9SjJjYvp8Z887sm 1ldZKA0DTcNSZPrUkYHZXH8oHBeU8kbSDVZebS7LunHEHQZ7BimM6wIDAQABo4IC WDCCAlQwDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEF BQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBRYmar8o7ZklOPrjlp03FXvAsq4 3DAfBgNVHSMEGDAWgBQULrMXt1hWy65QCUDmH6+dixTCxjBVBggrBgEFBQcBAQRJ MEcwIQYIKwYBBQUHMAGGFWh0dHA6Ly9yMy5vLmxlbmNyLm9yZzAiBggrBgEFBQcw AoYWaHR0cDovL3IzLmkubGVuY3Iub3JnLzBjBgNVHREEXDBaghRidWdzLnNxdWlk LWNhY2hlLm9yZ4IVbGlzdHMuc3F1aWQtY2FjaGUub3JnghZtYXN0ZXIuc3F1aWQt Y2FjaGUub3JnghN3d3cuc3F1aWQtY2FjaGUub3JnMBMGA1UdIAQMMAowCAYGZ4EM AQIBMIIBAgYKKwYBBAHWeQIEAgSB8wSB8ADuAHUAdv+IPwq2+5VRwmHM9Ye6NLSk zbsp3GhCCp/mZ0xaOnQAAAGO21xAsAAABAMARjBEAiAipa7xn4kVjUZxtCHAZEYz 8j1/GHfYlOAAsLL5Ebf7NwIgG5KTvygqvkX/AgWAKYB5curmkdfSV0nIGpt5nREa 2O8AdQBIsONr2qZHNA/lagL6nTDrHFIBy1bdLIHZu7+rOdiEcwAAAY7bXEMGAAAE AwBGMEQCICw7fQkluL9pCsm6EpfwwFEJm1XBAQlWQVHryuoK3OqlAiAtiJT/lqNM SSoXfgTEr7SOgRDWIyeFZW/NkmMbTPKvpDANBgkqhkiG9w0BAQsFAAOCAQEAQN26 uLU8myxzKCWIJlHoukwGHmv3IBCSKzYbu+L847msJ+S4MbKO4FAKDiqwI1GzEOai yUiM/BrpM557+I3vSTqTXRDohsW4Un/DdGgUSDyorwdrE4w13GRtwNRphaTa286b vZ4tjrj6hYDaHcEcg5NJSd4OGs6PZaOA9UpPG/AOPVQ5Uq0Q0qKCBQXtp5mOj5xa pFibC/6+nPAXsBOaHki4x9s0OJEJvW6eHchCKC1WvFGotyKvUtunvSwhGMWiG56u raHAkmG4xHq6rARrUOg6De00SEjb4JIyH+hKOAQPOEEhrZNX60E53eB78S0vtlyz FuKfugOx2xWQigAQwQ== -----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 = master.squid-cache.org 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 3720 bytes and written 406 bytes Verification: OK --- New, TLSv1.3, Cipher is TLS_AES_256_GCM_SHA384 Server public key is 4096 bit Secure Renegotiation IS NOT supported Compression: NONE Expansion: NONE No ALPN negotiated Early data was not sent Verify return code: 0 (ok) --- DONE