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:d9:41:77:2f
Serial 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.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-----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-----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 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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