massa.co
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:ef:66:d2:0e:25:98:6d:c3:26:2e:14:69:76:d9:41:77:2f was issued on by Let's Encrypt.
This certificate has already expired and will cause a warning or error message in the browser it's still listed on this site to allow you to look back on previously issued certificates. If we have found any compliance issues with this certificate they will be shown below. I hope this certificate review is providing you the detailed information in a simple form you where looking for.
We have idenified some issues with this certificate:
- Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)
Certificate Subject
CN=massa.co
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:ef:66:d2:0e:25:98:6d:c3:26:2e:14:69:76:d9:41:77:2fSerial Number (int): 342801015414227737320580519108583404697391
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 60:de:9e:5e:95:29:ba:35:c2:b5:ca:1e:a2:41:75:77:60:42:b4:57
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 9f:4b:98:41:59:6a:ad:ab:0a:88:8b:0c:ea:78:d6:86:58:59:1c:5a
Fingerprint (sha256): 29:71:88:35:fa:9f:71:81:c0:f7:05:05:c2:bd:3b:2c:53:85:72:be:e6:cd:75:59:bc:ac:28:df:5f:6a:85:88
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate massa.co
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for massa.co
Public Key Algorithm
RSA
Key Size
4096
Signature Algorithm
SHA256 with RSA
Key Usage
Digital Signature
Key Encipherment
Extended Key Usages
Server Authentication
Client Authentication
Extensions
9 extensions
No
unhandled critical extensions
CA Certificate
This is not a CA certificate
Subject Alternative Names
massa.co
Other certificates including the domain name massa.co
(limited to 100 certificates)
Certificate
The complete raw certificate details for massa.co in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGSDCCBTCgAwIBAgISA+9m0g4lmG3DJi4UaXbZQXcvMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTA3MjgyMDIxMjRaFw0x OTEwMjYyMDIxMjRaMBMxETAPBgNVBAMTCG1hc3NhLmNvMIICIjANBgkqhkiG9w0B AQEFAAOCAg8AMIICCgKCAgEA2UHOQh7L1qNH/PCGj25/DOcDLORde31X4042zoO8 biDQdXYqvLT1EnzJzcD9cwHzM4V0imyGYGOlUQeGCLAXkSgk1lO0uLmydi4nyODe LsRlbTHoBuFwtVh8Ld9STp3k6aJLowXKx76LrrUh5+kBtos7T8jfJB49u57E52/G HyGa0S/cic0PFCIgvd7HXn0MF3UMzUmuqLlGN1LtnmfnCFJmmUzlhJOzir8YYGZ6 SJ/0wFG9Jp/XMxrecr7pEsjuim47MLQHRW2EY84BFehJxQwrhs7FL3Q7/1AwUj2Q D7AYO6WSDENaB08XLN2Ut/GfQNi8IvOuPsU4a4FEI61ZRcxfmfIrAKgk6Wv/DwoO oLztXOLfdInit3cXnYlkOOdRM5RZfaCaD2/r6s1cCU6qrJE1cNF77p0Hugi6sDQl VHXPMg5pme4Ila79PF/GxFdhbpkGt3x5vr7FvCBADJbZUkdZcAB2X/JBD6MLAgaI QJFLN0Qj8h6yAWQflsnVwK+JGq50XaTud1VhfPaK36OO1ypDOB9H7A5MElprRqHH zePIjIUnGb/KqBfMFGEhBXGiyoER/r7ZwLM317xi7GvmbhRpUgwrcVBagznKtqp/ yMWxdGOZIQrWJ9pM8/CvqQZgUvJrYNwi6S7MfFz16b8Y15al2FRkJZ+hGjKkPYet DqkCAwEAAaOCAl0wggJZMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggrBgEF BQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUYN6eXpUpujXC tcoeokF1d2BCtFcwHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEwbwYI KwYBBQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQteDMubGV0 c2VuY3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMubGV0 c2VuY3J5cHQub3JnLzATBgNVHREEDDAKgghtYXNzYS5jbzBMBgNVHSAERTBDMAgG BmeBDAECATA3BgsrBgEEAYLfEwEBATAoMCYGCCsGAQUFBwIBFhpodHRwOi8vY3Bz LmxldHNlbmNyeXB0Lm9yZzCCAQQGCisGAQQB1nkCBAIEgfUEgfIA8AB1AOJpS64m 6OlACeiGG7Y7g9Q+5/50iPukjyiTAZ3d8dv+AAABbDp1p3AAAAQDAEYwRAIgY2tL TPWETtIONUeA7DaphKUpjHsdRVy6Z4zkghWv8XYCIHouFIYR3t09nTaI1tOkxiw+ jVF5o6jLLkvN38El29kXAHcAKTxRllTIOWW6qlD8WAfUt2+/WHopctykwwz05UVH 9HgAAAFsOnWngAAABAMASDBGAiEAn3SJAURsvMmqRTfS0639TKbhOOqOsrZ3vfce /1FCPYYCIQCh3U8GWZl6rKewLwH+VeZe/ezBCWlZW+e0zZWn/ZDvXzANBgkqhkiG 9w0BAQsFAAOCAQEARGOw0Y+WVC/hwEF9wuzlO3w1Yr7H3TEisvJPpSyfXfTnuZ1W +F5G9wvJMCS84wP/ulbzrOQRkXQpmhaLKPJVPFhR5peX9Sp03WKGHk0XcEf3B6Ah TnjjJzPW9+0ImXy5Wt/nXAAXfaSAkQBgPl9Aix7Rgo71rZ3+OMX/ch2E3wM6k7D6 U6mHutjBDCnq5nwVt0NOzmYdnWSZmzt2ihd5pd82Aki263g0+QHZeybMqssSMA6r eXs2/Vuxs3ZqWZ2bDB5Wxz6Wwn1oeMyLAyzJ4kRcKvMxypJKby0SlIesPtjSI0BV 8LasXXrocvXHvi54d8trElkhDhoaqKqQXQStTA== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA2UHOQh7L1qNH/PCGj25/ DOcDLORde31X4042zoO8biDQdXYqvLT1EnzJzcD9cwHzM4V0imyGYGOlUQeGCLAX kSgk1lO0uLmydi4nyODeLsRlbTHoBuFwtVh8Ld9STp3k6aJLowXKx76LrrUh5+kB tos7T8jfJB49u57E52/GHyGa0S/cic0PFCIgvd7HXn0MF3UMzUmuqLlGN1Ltnmfn CFJmmUzlhJOzir8YYGZ6SJ/0wFG9Jp/XMxrecr7pEsjuim47MLQHRW2EY84BFehJ xQwrhs7FL3Q7/1AwUj2QD7AYO6WSDENaB08XLN2Ut/GfQNi8IvOuPsU4a4FEI61Z RcxfmfIrAKgk6Wv/DwoOoLztXOLfdInit3cXnYlkOOdRM5RZfaCaD2/r6s1cCU6q rJE1cNF77p0Hugi6sDQlVHXPMg5pme4Ila79PF/GxFdhbpkGt3x5vr7FvCBADJbZ UkdZcAB2X/JBD6MLAgaIQJFLN0Qj8h6yAWQflsnVwK+JGq50XaTud1VhfPaK36OO 1ypDOB9H7A5MElprRqHHzePIjIUnGb/KqBfMFGEhBXGiyoER/r7ZwLM317xi7Gvm bhRpUgwrcVBagznKtqp/yMWxdGOZIQrWJ9pM8/CvqQZgUvJrYNwi6S7MfFz16b8Y 15al2FRkJZ+hGjKkPYetDqkCAwEAAQ== -----END PUBLIC KEY-----
ASN.1 decoded
[c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . [c:2|t:0|true] OtherName . . . . . . . . . . . . [c:0|t:2|false] INTEGER 2 . . . . . . . . [c:0|t:2|false] INTEGER 342801015414227737320580519108583404697391 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption) . . . . . . . . . . . . [c:0|t:5|false] NULL . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.6 (countryName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'US' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.10 (organizationName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Let's Encrypt' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Let's Encrypt Authority X3' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-07-28 20:21:24 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-10-26 20:21:24 +0000 UTC . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'massa.co' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.1 (rsaEncryption) . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (4208 bits) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 886331449553430645252886751129650081594208547585825330891679178243445769069110917809613113620658816687387190058483087988265307109561114634896511572812467978582038705787335304112274188081581339213922684009710489441438108353082192310609645844929470048465802320822519886701624875360798706742557376754744535127567252052567712111776256228669308302413094018775652344390896309601326270197328507469351625575214854672493335005874626846817814416453887906507981426906964476489401238458868882641029034530921895464723040632371760398599949101563724232784283806148130114336846352834183123363351306032637464434510638885103553325420612756974809481981670008952401228917423433989120900179251437755478917986612203719885144961079997750596465954414634997558364389607367787729781585046071971339497353223882789588607255100628505445872870619579086424678492950860110903704528869538016927799500401558842760254263082537343458917781679859724923628220379464436460071244583488615813953376722058970062131259966284592019367139724214886782368663814877436746647566205186037019170216860804642486784814046724229813586731431970369294635906748379626151815947196090764149848046413611544825591953785320503784217395001907869571956688593071606373128834927375491775320585735849 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 65537 . . . . . . . . [c:2|t:3|true] ORAddress . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.15 (keyUsage) . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (4 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (3 bits) 05a0 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.37 (extKeyUsage) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.1 (serverAuth) . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2 (clientAuth) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19 (basicConstraints) . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.14 (subjectKeyIdentifier) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes) 60de9e5e9529ba35c2b5ca1ea24175776042b457 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35 (authorityKeyIdentifier) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName a84a6a63047dddbae6d139b7a64565eff3a8eca1 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1 (authorityInfoAccess) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (99 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.1 (ocsp) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://ocsp.int-x3.letsencrypt.org' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2 (caIssuers) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://cert.int-x3.letsencrypt.org/' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17 (subjectAltName) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (12 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'massa.co' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32 (certificatePolicies) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (69 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.23.140.1.2.1 (Domain Validation Certificates Policy) . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.44947.1.1.1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.11129.2.4.2 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (245 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes) 00f0007500e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016c3a75a77000000403004630440220636b4b4cf5844ed20e354780ec36a984a5298c7b1d455cba678ce48215aff17602207a2e148611dedd3d9d3688d6d3a4c62c3e8d5179a3a8cb2e4bcddfc125dbd917007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016c3a75a78000000403004830460221009f748901446cbcc9aa4537d2d3adfd4ca6e138ea8eb2b677bdf71eff51423d86022100a1dd4f0659997aaca7b02f01fe55e65efdecc10969595be7b4cd95a7fd90ef5f . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption) . . . . . . . . [c:0|t:5|false] NULL . . . . [c:0|t:3|false] BIT STRING (2048 bits) 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