www.massa.co
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:45:7c:62:7a:58:ec:2a:07:05:95:8c:d4:27:02:b9:4a:90 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=www.massa.co
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:45:7c:62:7a:58:ec:2a:07:05:95:8c:d4:27:02:b9:4a:90Serial Number (int): 284981676710894099117313104486674399316624
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: d6:96:3d:92:b7:03:a6:8d:ca:6b:e8:69:34:67:ff:2c:51:75:13:d8
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): b3:f1:84:9b:6a:8d:a8:a6:47:a4:a5:63:35:ad:53:18:dc:73:98:07
Fingerprint (sha256): 9a:89:76:d8:ab:26:0a:8e:60:03:2c:fb:c8:fa:c4:29:d9:08:b5:87:23:20:77:52:72:c4:ee:95:bb:9a:ca:e2
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate www.massa.co
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for www.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
www.massa.co
Other certificates including the domain name massa.co
(limited to 100 certificates)
Certificate
The complete raw certificate details for www.massa.co in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGUTCCBTmgAwIBAgISA0V8YnpY7CoHBZWM1CcCuUqQMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTA1MjgxNTUwMjlaFw0x OTA4MjYxNTUwMjlaMBcxFTATBgNVBAMTDHd3dy5tYXNzYS5jbzCCAiIwDQYJKoZI hvcNAQEBBQADggIPADCCAgoCggIBAL5bYtGm2BvFELqk/wMKRMZ8h4VL1TXmBPX+ 8hPwrJagnhlZKjurSciFG9KnnVUn1tntocFPFIm0ubclNBzaAaxv2hOEPTMd1XQH fFVVEoIVeDde0+LH+KrzorpqDoSv9A6IazJqGnroE+bHCSOwv5t+uW2ygQRBU2Ij Ml1DAIuCbslLrJfijHW+thBlWh9bpNGRghHcFffKh5CnVVBMF7PoZYJt7NZ0bWrw 6ziBuppOOEY+ZUOdxF34H222v2ez18UY+bxP53azCm73FUh3aYgaOgInwT8VdLvi Aaw9RU32MJubUdQSS5iYvveuMx5GS8XotfrJOcAkFjvKwnphD5q+pJNd43k+O97E NiNGJIClSL/754hdEaVM48zs5LPMV8QqPrTiHF0Zh4DrOwhpeCByuo5k/WlTAaKx BKwkg9qpBY3sie5PM7/KcB6+2+7K5gesJBMc7Wvl+EUkCCi1VYopxqGVLkBypIxF pP23oV1KotCEMbBcBbnc2de184ctLaKu0PZaGniMQ/L8NIMHNJKpkSTG4309Z6CD uZCKsP8oI0Q66xJTGq6B9aMzzenxvGLkfau1VS1xLVNf51i4v+LdQMe+HmPaE9Vs SfWH4+g2QceDc+Vxv6cJWcWTRDIf6m7vF4XL2GllnVykJffL+qVnnqPK9RxdRdGq h8IIlZFJAgMBAAGjggJiMIICXjAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYI KwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFNaWPZK3 A6aNymvoaTRn/yxRdRPYMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyh MG8GCCsGAQUFBwEBBGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgz LmxldHNlbmNyeXB0Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgz LmxldHNlbmNyeXB0Lm9yZy8wFwYDVR0RBBAwDoIMd3d3Lm1hc3NhLmNvMEwGA1Ud IARFMEMwCAYGZ4EMAQIBMDcGCysGAQQBgt8TAQEBMCgwJgYIKwYBBQUHAgEWGmh0 dHA6Ly9jcHMubGV0c2VuY3J5cHQub3JnMIIBBQYKKwYBBAHWeQIEAgSB9gSB8wDx AHYAb1N2rDHwMRnYmQCkURX/dxUcEdkCwQApBo2yCJo32RMAAAFq/1mxtAAABAMA RzBFAiBURmE7KKvijg39QrZeC92QZj5Rnar2802mBZRKifMU4AIhAMLMtxA1ESXj kb3DHhIPNf2OceTpKWZ20g85KycK8dENAHcAKTxRllTIOWW6qlD8WAfUt2+/WHop ctykwwz05UVH9HgAAAFq/1mxsQAABAMASDBGAiEAw10bdHjkuCxIv+88C/VhjIf2 cnsOZ61t8LyncVBuDysCIQDpTvU1VR7ZcydEQJuaYU606JVCY3xCuIyGqcnLMmpz PTANBgkqhkiG9w0BAQsFAAOCAQEASuhxM8dyQLeF0I00DzuwfP5RNWri9DHc6QpM FPiVuSees/nnCUlHDb6al18Lr85V6xhhe7FmQxSNA/LQ/T0RPTj/nWVvbunrnt7H 6GAFKV05f7lL/+xiahdCckLnWJUr4JWnqSfpH5ckl9/OWRaNbeh06iK1/JYdmmb7 +t4jRI7OLkHmIW3RCDNOJt74tSoNLRzMlInBQPamCdcZr8yaOZNyx260WijWRE6N B/DsMPS6XyWd9YoRo5Sf0wSt9+k8VzDM3/KLdlbO7341j82DXLhyvqUJ4v5F1fTy YqHjTSPiQGB/y1fmi85nn6uJhRhqKip4C0U6Og9nxfSVOcFxKw== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAvlti0abYG8UQuqT/AwpE xnyHhUvVNeYE9f7yE/CslqCeGVkqO6tJyIUb0qedVSfW2e2hwU8UibS5tyU0HNoB rG/aE4Q9Mx3VdAd8VVUSghV4N17T4sf4qvOiumoOhK/0DohrMmoaeugT5scJI7C/ m365bbKBBEFTYiMyXUMAi4JuyUusl+KMdb62EGVaH1uk0ZGCEdwV98qHkKdVUEwX s+hlgm3s1nRtavDrOIG6mk44Rj5lQ53EXfgfbba/Z7PXxRj5vE/ndrMKbvcVSHdp iBo6AifBPxV0u+IBrD1FTfYwm5tR1BJLmJi+964zHkZLxei1+sk5wCQWO8rCemEP mr6kk13jeT473sQ2I0YkgKVIv/vniF0RpUzjzOzks8xXxCo+tOIcXRmHgOs7CGl4 IHK6jmT9aVMBorEErCSD2qkFjeyJ7k8zv8pwHr7b7srmB6wkExzta+X4RSQIKLVV iinGoZUuQHKkjEWk/behXUqi0IQxsFwFudzZ17Xzhy0toq7Q9loaeIxD8vw0gwc0 kqmRJMbjfT1noIO5kIqw/ygjRDrrElMaroH1ozPN6fG8YuR9q7VVLXEtU1/nWLi/ 4t1Ax74eY9oT1WxJ9Yfj6DZBx4Nz5XG/pwlZxZNEMh/qbu8XhcvYaWWdXKQl98v6 pWeeo8r1HF1F0aqHwgiVkUkCAwEAAQ== -----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 284981676710894099117313104486674399316624 . . . . . . . . [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 2019-05-28 15:50:29 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-08-26 15:50:29 +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 'www.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 776588710423218337321247259241175218176632208182907420574761424528677591246566399540298590421532530974304087969576240927013037194922191870127718220454242863205107171291652246502788227836330998784596661810745475759397067438259138467156734168628953390854499678956490847156458757042077386155516580854503759881155349803873676877498265115701938345449102485041057397299471345777728480859815294220709568039014745093884829816870504870605957393390017978307922850991499497405705325753505611902790250835131501697744176088280755468768178076146393961716516100113522367775621133886650646683232794959952245157121718952971820313877002435462118633764782124479775568186834627330117101766739690834073397161241291736349791602986523255330844380276368450973064261748339955920502607212086851424791656632761855197245048224895882852993495696861388377204183646861737465433668751195927882650379481331005850575531630946118044041352477638476815465827650026451442988993154511047333474887384839409644594805634261128717110009667151159907000256838474700038963423693627682131962447912412118348216245488575111580913041231127686944982253975480464200395760929152264599292526324162899465691540343333815736484033421912464342165587516287004742269550313878558961026435748169 . . . . . . . . . . . . . . . . . . . . [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) d6963d92b703a68dca6be8693467ff2c517513d8 . . . . . . . . . . . . . . . . [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 (16 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.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 (246 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes) 00f10076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016aff59b1b4000004030047304502205446613b28abe28e0dfd42b65e0bdd90663e519daaf6f34da605944a89f314e0022100c2ccb710351125e391bdc31e120f35fd8e71e4e9296676d20f392b270af1d10d007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016aff59b1b10000040300483046022100c35d1b7478e4b82c48bfef3c0bf5618c87f6727b0e67ad6df0bca771506e0f2b022100e94ef535551ed9732744409b9a614eb4e89542637c42b88c86a9c9cb326a733d . . . . [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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