massa.co

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:3b:93:9a:a7:3b:b3:22:74:46:cc:d9:f9:9d:e7:d7:b3:02 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): 03:3b:93:9a:a7:3b:b3:22:74:46:cc:d9:f9:9d:e7:d7:b3:02
Serial Number (int): 281609716964605011148489443264020746842882
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 77:a3:90:68:96:c7:29:8e:8f:cb:32:40:39:99:82:28:3d:8e:8a:7e
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 46:b5:41:37:f6:ca:09:91:c2:8b:c5:90:74:3f:ca:19:3e:e1:d4:66
Fingerprint (sha256): 7b:cc:d4:7e:37:ea:45:26:36:f1:d9:69:40:e5:44:88:7c:34:48:d3:59:6c:9c:4f:16:9c:10:82:66:35:3d:69

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check 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-----
MIIGSDCCBTCgAwIBAgISAzuTmqc7syJ0RszZ+Z3n17MCMA0GCSqGSIb3DQEBCwUA
MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD
ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTA1MjgxNTUwMzZaFw0x
OTA4MjYxNTUwMzZaMBMxETAPBgNVBAMTCG1hc3NhLmNvMIICIjANBgkqhkiG9w0B
AQEFAAOCAg8AMIICCgKCAgEA0naQf2qaVV4J6Bkr5xzFLRLm29+3oM1VDqZrTyJU
+zl5HdGdf7t8hH+Iq/NpXj/7Qsu2ha6ChgELK15HpqcW55Dayl7a3AUXFCAqF/8E
gwFscebHkdr6qOexzZd/DtTdkolFXLEsD40j+l6pjAHHNDg/k7y8kyz3+rsNnf1g
0+5gfiqHAlVsKghsrnf012LKp985U/6V0H7PbYiCvCRI+r9XKoBJc2dAaEWrkYpY
ODafy+0GWZLhBNE3VApiHbGYPgxNSRIwIZ0tDq16XSf5T9rvvGpB5+uCYxsP0LVX
yApVSazOUlgpJstNpLFgFT8OMJklYQAhXdSUJ3yKDdEQA6PT1Kxxm4mE/m7aprJD
W6sYcWbawg6f3vA9R8+85rJB1Mk5rPFJmUxI5Uyw1OFrrczuaZt0loQFFm/TX7e3
8iKjK+vyXzHOks+DqlBEHiPF4xyt78nI9uP35AAquYqZrRzj8uOqbiBIkCJiHESV
fslidgOenI54DCS62a8PWAYp05z7U7x6yJKstmGY1xh6u9vgnC3KtHkLgGaZddjB
r0fPrCwXcHTmPSR2cC5NW904/7tDega+uR65viaQ1u4Abo+DZBWBRv4R7sc7NzCf
JPuhy2VtQFQNjb3ABclJSkYDkYiHgvhJOqIyoN4hHEQQzZO8h8Ccj6h1WOf1d6Kp
08kCAwEAAaOCAl0wggJZMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggrBgEF
BQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUd6OQaJbHKY6P
yzJAOZmCKD2Oin4wHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEwbwYI
KwYBBQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQteDMubGV0
c2VuY3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMubGV0
c2VuY3J5cHQub3JnLzATBgNVHREEDDAKgghtYXNzYS5jbzBMBgNVHSAERTBDMAgG
BmeBDAECATA3BgsrBgEEAYLfEwEBATAoMCYGCCsGAQUFBwIBFhpodHRwOi8vY3Bz
LmxldHNlbmNyeXB0Lm9yZzCCAQQGCisGAQQB1nkCBAIEgfUEgfIA8AB2AHR+2oMx
rTMQkSGcziVPQnDCv/1eQiAIxjc1eeYQe8xWAAABav9ZzqUAAAQDAEcwRQIhAO/W
eOenAZKh4cssrBpW2UpKih1hedHA26z5vzqkkHW4AiA+soWJzh5e0Kth9+fdVzpA
MZ7VYLs0aHMaiYt8hA4rKgB2AGPy283oO8wszwtyhCdXazOkjWF3j711pjixx2hU
S9iNAAABav9ZzskAAAQDAEcwRQIhALDbbIKSvr10OXnBwqWxYThvjz2M+DnGmIQe
x8cqgXubAiAeet5ZX/cZKX58pclQvKCOWX2q3e9rHyCC7NWy7w/1CzANBgkqhkiG
9w0BAQsFAAOCAQEAG5/+X1KJDW1jKm1yI0cdmn/h5JnxkZNkDzzUyOnHTNzMbxue
a8mCglaX8UvWTCEZvVGLoXbuC9Im2n6EsJ3nkvqFcaB86iaXdUDuZljmeD5BoN1l
78wiefxQZRoSMSHxW4l21pDDkGFE4jN82ijSUCQMtgY++m0DeGudPygXvrznIgp/
75am4fe7oJ39Md6D3+dDIgIpSU0BkxVi4Ca6ARRbB0K9zxbL7EEbeIWqVyHPQWB8
sKet4OzC9RUV64bxKvmy1d4z/LXXvLNUuqqyTFLflJGMw/yL15RyAKNRti2zt3Jj
+CoBySonr2narLwP+6LmsrvbDp+dey1Wnz95YA==
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 281609716964605011148489443264020746842882
 . . . . . . . . [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 15:50:36 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-08-26 15:50:36 +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 858614710266809448731952585017704857079183870171507320139789495425834399941185211091210050084493510458227227257754992226472755449210799256702750175623896546702099226095804754056162088956381205307774949449870792932649751713172475964227474361749984346186358945754545848060901976328512883031901135124483964402562538853880745936766185580872621072069972389470958255264338705423019803720118614354511995374093434823161925679740530276863165466703248199686337095261768683735627630483831051499006117096654931559890597074342803694851720194437380407336998359863338677477626490737252370517885196727096228026172966409814981413877620554160421548178994981011712733919210474621833761698440966305494045267727194141729570332288993369329801501241683363551409256037276328536317703261456226848052392146044985594121166665764088902444138569197533207344619426832267319478677382521566878203730633486101012126975802439775017531497576199783181684275843360820312431396750407194974890271182672915953338884420174651150667091698556225347508479852305973881409884038736750613712789889898125259895331108080323867692424195937620920861935349286611970952912085229789684917895438917958135638693838083106854844712324576942832091198828958654940931691513553579881778077357001
 . . . . . . . . . . . . . . . . . . . . [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)
							77a3906896c7298e8fcb3240399982283d8e8a7e
 . . . . . . . . . . . . . . . . [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)
							00f0007600747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016aff59cea50000040300473045022100efd678e7a70192a1e1cb2cac1a56d94a4a8a1d6179d1c0dbacf9bf3aa49075b802203eb28589ce1e5ed0ab61f7e7dd573a40319ed560bb3468731a898b7c840e2b2a00760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016aff59cec90000040300473045022100b0db6c8292bebd743979c1c2a5b161386f8f3d8cf839c698841ec7c72a817b9b02201e7ade595ff719297e7ca5c950bca08e597daaddef6b1f2082ecd5b2ef0ff50b
 . . . . [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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