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 (73 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: | 23.185.0.1 |
Reverse IP lookup: | No records found |
Nameserver: | ns-101.awsdns-12.com. |
Nameserver: | ns-1475.awsdns-56.org. |
Nameserver: | ns-1620.awsdns-10.co.uk. |
Nameserver: | ns-631.awsdns-14.net. |
General Information
Common Name: | billing.returnpath.com |
SANs: | DNS:billing.returnpath.comDNS:blog.habeas.comDNS:bondedsender.orgDNS:br.returnpath.comDNS:brand.returnpath.comDNS:careers.returnpath.comDNS:careers.returnpath.netDNS:clubinbox.comDNS:connect.returnpath.comDNS:corp.returnpath.netDNS:de.returnpath.comDNS:de.returnpath.netDNS:emabrke.comDNS:emailchallenge.returnpath.comDNS:emailcopilot.comDNS:emailheroes.comDNS:emailheroes.orgDNS:emailintelligence.comDNS:es.returnpath.comDNS:es.returnpath.netDNS:fr.returnpath.comDNS:fr.returnpath.netDNS:global.returnpath.netDNS:habeas.comDNS:it.returnpath.comDNS:landing.returnpath.comDNS:preferences.returnpath.comDNS:returnpath.bizDNS:returnpath.caDNS:returnpath.comDNS:returnpath.deDNS:returnpath.fiDNS:returnpath.frDNS:returnpath.itDNS:returnpath.netDNS:returnpath.nlDNS:returnpath.orgDNS:returnpath.ruDNS:senderindex.comDNS:smartbounce.returnpath.comDNS:stopemailfraud.returnpath.comDNS:support.returnpath.comDNS:support.returnpath.netDNS:www.bondedsender.orgDNS:www.emabrke.comDNS:www.emailcopilot.comDNS:www.emailintelligence.comDNS:www.habeas.comDNS:www.returnpath.bizDNS:www.returnpath.comDNS:www.returnpath.deDNS:www.returnpath.fiDNS:www.returnpath.frDNS:www.returnpath.itDNS:www.returnpath.netDNS:www.returnpath.nlDNS:www.returnpath.orgDNS:www.returnpath.ru Total number of SANs: 58 |
Signature Algorithm: | sha256WithRSAEncryption |
Key Type: | RSA |
Key size: | 2048 bits |
Serial Number: | 33cccc1eca5af17b0dbae96b1149364a4a1 |
Not Before: | Mar 12, 2024 17:10:34 GMT |
Not After: | Jun 10, 2024 17:10:33 GMT |
Number of certs: | 2 |
Revocation Status: | good |
OCSP Stapling: | Supported |
Server: | nginx |
HSTS: | Not Supported |
HPKP: | Not Supported |
Chain Information
Certificate # 1 - Common Name: billing.returnpath.com
Decode this certificate for verbose information → launchSubject Common Name | billing.returnpath.com |
Issuer Common Name | R3 |
Issuer Organization | Let's Encrypt |
Not Before: | Mar 12, 2024 17:10:34 GMT |
Not After: | Jun 10, 2024 17:10:33 GMT |
Signature Algorithm: | sha256WithRSAEncryption |
Serial Number: | 33cccc1eca5af17b0dbae96b1149364a4a1 |
SHA1 Fingerprint: | 10:CB:7F:24:3A:9C:20:2D:DC:2F:41:16:D4:52:B4:17:DB:EF:EA:18 |
MD5 Fingerprint: | EF:30:E9:66:C3:67:FB:DC:5C:08:10:8B:EA:14:75:A1 |
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 = billing.returnpath.com 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: Mar 23 14:34:00 2024 GMT Responses: Certificate ID: Hash Algorithm: sha1 Issuer Name Hash: 48DAC9A0FB2BD32D4FF0DE68D2F567B735F9B3C4 Issuer Key Hash: 142EB317B75856CBAE500940E61FAF9D8B14C2C6 Serial Number: 033CCCC1ECA5AF17B0DBAE96B1149364A4A1 Cert Status: good This Update: Mar 23 14:34:00 2024 GMT Next Update: Mar 30 14:33:58 2024 GMT Signature Algorithm: sha256WithRSAEncryption 83:23:ba:79:63:3a:37:8d:61:8d:c2:95:91:cc:6f:e4:8b:9f: 39:60:bb:ec:9c:e8:63:0b:24:ec:e1:fa:41:65:03:b6:3d:53: 6b:d0:87:52:b8:aa:a2:d6:fd:4f:6b:7e:ee:c1:2f:8a:53:b9: 09:26:04:52:14:dd:69:fa:c7:03:cf:2f:13:ce:b3:bf:a3:9b: b9:4b:87:c7:3c:4b:55:6f:26:0c:f7:19:c6:2e:4f:14:40:fc: f7:c2:46:08:bb:f4:5f:0f:d8:7c:6a:62:fe:43:d0:b7:9c:54: b8:ec:b2:2e:e8:b1:62:27:e0:da:9c:0f:dd:81:8b:43:58:a1: 93:af:1d:54:ff:ec:8d:f0:bf:df:66:8f:02:26:34:65:8d:86: fb:ae:bc:38:71:d9:85:55:83:1b:c2:63:6e:49:7b:7b:79:31: c7:46:54:1d:b6:88:02:ec:a2:df:bd:57:a0:a3:ae:30:8a:70: 16:0e:9b:e0:47:b4:f2:19:58:a4:36:df:10:39:0d:60:c3:bb: 0f:68:15:67:59:21:32:85:b3:91:88:b9:5c:5a:10:f8:54:62: a1:51:1f:75:df:ab:c1:e1:2f:94:99:b3:b6:8c:2d:45:03:62: 60:f9:92:b2:60:97:aa:69:ce:ee:27:a0:e6:98:4b:8d:41:b4: 0a:66:ac:5e ====================================== --- Certificate chain 0 s:CN = billing.returnpath.com i:C = US, O = Let's Encrypt, CN = R3 -----BEGIN CERTIFICATE----- MIIJWTCCCEGgAwIBAgISAzzMweylrxew266WsRSTZKShMA0GCSqGSIb3DQEBCwUA MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD EwJSMzAeFw0yNDAzMTIxNzEwMzRaFw0yNDA2MTAxNzEwMzNaMCExHzAdBgNVBAMT FmJpbGxpbmcucmV0dXJucGF0aC5jb20wggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAw ggEKAoIBAQDAdKd6a/TBnNxcCAyQFBfO3CM0cWsekizlrGvPOt2XDtP4ZkBAs+JS 9JmYXdJxFDU2LvszvC++PxYqASbqSaQgayoSvU3BU7/0z5t8vh4/LXLBXztbHtk5 VUrglYkypy061ZnKcnPeNfrs11rT70H77j83hMBoulSfG7zeYxpMv6X/zJiKfSIi 3HFndhEy8vygw70FaoWKCEJKzN8ilG58YeOkR6h0ll7touLsNx4+/DJdlaL9qXVh B4J0WSumRyCTybKE/8A/NCOTdt0oCXApAN29BHhjdv5swlWJsNZWtWqMvP7JuloA mI6Mo6an00MLotk8m6NWwT6a9hHzLZlVAgMBAAGjggZ4MIIGdDAOBgNVHQ8BAf8E BAMCBaAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQC MAAwHQYDVR0OBBYEFPqnMCJguLsYsLVvaKPMOXITyyIUMB8GA1UdIwQYMBaAFBQu sxe3WFbLrlAJQOYfr52LFMLGMFUGCCsGAQUFBwEBBEkwRzAhBggrBgEFBQcwAYYV aHR0cDovL3IzLm8ubGVuY3Iub3JnMCIGCCsGAQUFBzAChhZodHRwOi8vcjMuaS5s ZW5jci5vcmcvMIIEfwYDVR0RBIIEdjCCBHKCFmJpbGxpbmcucmV0dXJucGF0aC5j b22CD2Jsb2cuaGFiZWFzLmNvbYIQYm9uZGVkc2VuZGVyLm9yZ4IRYnIucmV0dXJu cGF0aC5jb22CFGJyYW5kLnJldHVybnBhdGguY29tghZjYXJlZXJzLnJldHVybnBh dGguY29tghZjYXJlZXJzLnJldHVybnBhdGgubmV0gg1jbHViaW5ib3guY29tghZj 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bWFpbGNvcGlsb3QuY29tghl3d3cuZW1haWxpbnRlbGxpZ2VuY2UuY29tgg53d3cu aGFiZWFzLmNvbYISd3d3LnJldHVybnBhdGguYml6ghJ3d3cucmV0dXJucGF0aC5j b22CEXd3dy5yZXR1cm5wYXRoLmRlghF3d3cucmV0dXJucGF0aC5maYIRd3d3LnJl dHVybnBhdGguZnKCEXd3dy5yZXR1cm5wYXRoLml0ghJ3d3cucmV0dXJucGF0aC5u ZXSCEXd3dy5yZXR1cm5wYXRoLm5sghJ3d3cucmV0dXJucGF0aC5vcmeCEXd3dy5y ZXR1cm5wYXRoLnJ1MBMGA1UdIAQMMAowCAYGZ4EMAQIBMIIBBAYKKwYBBAHWeQIE AgSB9QSB8gDwAHYAO1N3dT4tuYBOizBbBv5AO2fYT8P0x70ADS1yb+H61BcAAAGO M9vsRgAABAMARzBFAiEAlpwl5H8iwUw9H3dtbcTFBQNG2hQ8miOTODpMFL8xOIkC IA0bN+z11Ee9EvXzerNcILYhzGeBoO69YYgLFkp53oJQAHYAdv+IPwq2+5VRwmHM 9Ye6NLSkzbsp3GhCCp/mZ0xaOnQAAAGOM9vspgAABAMARzBFAiEAtV5aauc2g/JT rTDnWEFd0CEMRnA7VddnXQc+N0egm/ICIHofYLieBawQaStGU6/1XIHnlQgIOIwi BqjdKAFdZzy/MA0GCSqGSIb3DQEBCwUAA4IBAQCZAmMjMkpmhwJmDnXNw2NXfLT9 cV1tCtVdfO5JzDUbMU56EUqb0gzOQPwzgMXjfbGfSa3l8T3/o4HM1fvPD6QurMyk 9VV27dKgrFKqdkJrqjtFrzFk3tDOKDmKtEt2R4/XjGUQUvpTg+5XfUCK0SMQ2ibJ Me1K4jWXO6tFuFTW5DKZPaFNyYddoGBBQvpNkTc3Mw5WBIMmWgvEXvy2yt+YeOu/ /BGMurj27a/x1Pq/2rE6gz5cGoIB6a+uX5lKlxK1aDoJyn7TqGmJIvXu3u86CFYk A/Mfwh0zosxBBLYAUdg5B2+z1caBry3R6E0w7VpycWiwEvfvc02oWntdHQCD -----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 = billing.returnpath.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 4763 bytes and written 389 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: 3A645B3CC48A9F480F30ED2D5F94311A41BF0B809FD773F34481E684EB77A919 Session-ID-ctx: Resumption PSK: 10D7CAC8A917384B52A38EF289A14996221EC30CCD5670A22AD0AD4D4066E7FF PSK identity: None PSK identity hint: None SRP username: None TLS session ticket lifetime hint: 3600 (seconds) TLS session ticket: 0000 - 27 6e e6 cf 68 e2 c2 d8-8e 9a d0 19 db a0 3f 05 'n..h.........?. 0010 - 53 70 7c 26 6b 25 96 d9-0a ed a4 b5 ca 4c ca 8e Sp|&k%.......L.. 0020 - bc fa 39 d3 b4 4b e4 68-04 33 ce a2 7a 3c 99 93 ..9..K.h.3..z<.. 0030 - 4c 72 af af 7d 18 aa c3-10 c8 34 cf 46 25 99 9f Lr..}.....4.F%.. 0040 - 78 f7 10 aa 01 c0 33 6a-e7 a8 05 f5 09 4a 06 f5 x.....3j.....J.. 0050 - ac 28 05 e7 dc dd 34 be-3f aa 17 b4 ff d4 32 98 .(....4.?.....2. 0060 - f1 16 c0 33 e0 af 19 ee-e9 3e 5e 64 63 fc 6e 71 ...3.....>^dc.nq 0070 - e8 90 82 13 6d 31 3e a0-fa 29 11 5e 8d 55 7e fa ....m1>..).^.U~. 0080 - 65 b4 6a 8b 30 23 04 51-5f db 06 5a 2c f3 0e ce e.j.0#.Q_..Z,... 0090 - 4a 10 1d ed 0c 56 26 e0-34 85 66 50 e2 81 b1 17 J....V&.4.fP.... Start Time: 1711656048 Timeout : 7200 (sec) Verify return code: 0 (ok) Extended master secret: no Max Early Data: 8192 --- read R BLOCK