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 (72 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: | 35.243.151.52 |
| Reverse IP lookup: | 52.151.243.35.bc.googleusercontent.com. |
| Nameserver: | ns-cloud-b3.googledomains.com. |
| Nameserver: | ns-cloud-b1.googledomains.com. |
| Nameserver: | ns-cloud-b2.googledomains.com. |
| Nameserver: | ns-cloud-b4.googledomains.com. |
General Information
| Common Name: | indiebound.com |
| SANs: | DNS:indiebound.comDNS:indiebound.orgDNS:www.indiebound.comDNS:www.indiebound.org Total number of SANs: 4 |
| Signature Algorithm: | sha256WithRSAEncryption |
| Key Type: | RSA |
| Key size: | 2048 bits |
| Serial Number: | 4ac0f32810614f4d7342e65916b35c1c2bb |
| Not Before: | Apr 01, 2024 11:42:14 GMT |
| Not After: | Jun 30, 2024 11:42:13 GMT |
| Number of certs: | 2 |
| Revocation Status: | good |
| OCSP Stapling: | Not Supported |
| Server: | Apache/2.4.29 (Ubuntu) |
| HSTS: | Not Supported |
| HPKP: | Not Supported |
Chain Information
Certificate # 1 - Common Name: indiebound.com
Decode this certificate for verbose information → launch| Subject Common Name | indiebound.com |
| Issuer Common Name | R3 |
| Issuer Organization | Let's Encrypt |
| Not Before: | Apr 01, 2024 11:42:14 GMT |
| Not After: | Jun 30, 2024 11:42:13 GMT |
| Signature Algorithm: | sha256WithRSAEncryption |
| Serial Number: | 4ac0f32810614f4d7342e65916b35c1c2bb |
| SHA1 Fingerprint: | 4C:2A:22:10:AE:94:CC:DA:6D:87:41:54:D3:29:3B:5B:BC:1B:57:E0 |
| MD5 Fingerprint: | 50:DB:23:0A:06:2A:96:2D:09:11:8A:1C:B8:71:F5:17 |
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 = indiebound.com verify return:1 CONNECTED(00000003) OCSP response: no response sent --- Certificate chain 0 s:CN = indiebound.com i:C = US, O = Let's Encrypt, CN = R3 -----BEGIN CERTIFICATE----- MIIFIDCCBAigAwIBAgISBKwPMoEGFPTXNC5lkWs1wcK7MA0GCSqGSIb3DQEBCwUA MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD EwJSMzAeFw0yNDA0MDExMTQyMTRaFw0yNDA2MzAxMTQyMTNaMBkxFzAVBgNVBAMT DmluZGllYm91bmQuY29tMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA k/XYObX06EXvkaeC/9t7wWCjWSMMWcVFL4i8qJH5QOj8LII2SQD/aJE99TFkOMxa jv+a3scMu0xqh3+zJhxGBl2Rd4/Cn4OQHF2VTQxFV9dy/DbxjPwy3Vcx+QMrqlRD iL5hhM3kAJM+iiLOOEOfYHdTAwXsRWhJtanFOqLy6a9OnYbgjV+QyYxefySJfSt5 xFUZVrHa92m4XMoliyoGMXLlewf1rQqLNdxScXcLr26mAAUa1KwQfyDPawu80jln MkkqCju7UaJ28Tw07+6uHMIeWziACRatFTqSj9hADTXQlfaA9T0KxXzM9cQAKdvt G1euXy3iYg2SsnLG1Uz9yQIDAQABo4ICRzCCAkMwDgYDVR0PAQH/BAQDAgWgMB0G A1UdJQQWMBQGCCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1Ud DgQWBBQnzgUAWgVJ1CZX4HEXtd1oybU7mzAfBgNVHSMEGDAWgBQULrMXt1hWy65Q CUDmH6+dixTCxjBVBggrBgEFBQcBAQRJMEcwIQYIKwYBBQUHMAGGFWh0dHA6Ly9y My5vLmxlbmNyLm9yZzAiBggrBgEFBQcwAoYWaHR0cDovL3IzLmkubGVuY3Iub3Jn LzBRBgNVHREESjBIgg5pbmRpZWJvdW5kLmNvbYIOaW5kaWVib3VuZC5vcmeCEnd3 dy5pbmRpZWJvdW5kLmNvbYISd3d3LmluZGllYm91bmQub3JnMBMGA1UdIAQMMAow CAYGZ4EMAQIBMIIBAwYKKwYBBAHWeQIEAgSB9ASB8QDvAHUAPxdLT9ciR1iUHWUc hL4NEu2QN38fhWrrwb8ohez4ZG4AAAGOma6B1wAABAMARjBEAiA9jsN5gZfIifwI E8Fhjuu2jtALsH6JfCKdcbGEyCgB+AIgcw2uTICstZhac/KZ//DvNUoFnw6Z9Z1h mv//OVaU/LIAdgCi4r/WHt4vLweg1k5tN6fcZUOwxrUuotq3iviabfUX2AAAAY6Z roHjAAAEAwBHMEUCIE8HrGAoDdNIpKlhPyTHZEDSU6I/HMfeJ2DhKCn85XjaAiEA wvMgoqtaYhfqlaNRkk72TFehluIfabX/wX8MIYXUSPEwDQYJKoZIhvcNAQELBQAD ggEBAFR1uBnlqJDEwLxRmgYxIdAE57pcKxGeT861tAPHR629L5AXocNke3AxNjKn fB7R9OH/Yd5lss8fI9dzspslFPiD8Fh9OyP91u0fvxsxoae2yRwEITP+y1Bmb/o/ MY2WJdVi+aX4c30l0Nmk3VrQODlK6ZP+80aDaET/p1hQKWdRCcOhLJBQzrlzYAov Zoaq61BHtzomGdtL/Dw0yPtIvK4EK/MQodfaX+pueWSTp5uNy8ZOc8igEs/d0B3i Ta8qPus89Bg71T7Qn8MgmsEApXCt/gz+U4tXA3Ao8JhsGRx/+dzu35iNsJqqk1+7 ELUhDWcoon5PjcynvjULSj9NNsY= -----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 = indiebound.com 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 3187 bytes and written 405 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