masterstereo.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:91:9a:31:69:ae:28:e1:2b:3d:e7:4c:80:bc:b0:68:0a:f6 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=masterstereo.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:91:9a:31:69:ae:28:e1:2b:3d:e7:4c:80:bc:b0:68:0a:f6
Serial Number (int): 310882758676165122666855334206618934446838
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: ed:4b:50:60:6a:5d:75:d2:ee:91:2b:8e:bd:2a:79:2d:63:8f:eb:75
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 2a:75:24:cf:28:35:33:8c:e2:59:ff:0f:eb:5f:61:39:b0:64:c2:ea
Fingerprint (sha256): fd:95:73:64:02:85:f7:2a:a0:4d:a0:39:fb:22:29:b7:56:d3:f0:7c:55:49:bd:d8:fd:0c:a5:32:0d:84:18:90

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 masterstereo.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for masterstereo.com

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

masterstereo.com

Other certificates including the domain name masterstereo.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for masterstereo.com 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 310882758676165122666855334206618934446838
 . . . . . . . . [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 2019-10-12 10:54:45 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-10 10:54:45 +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 'masterstereo.com'
 . . . . . . . . [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 799031331236466785580994432849717080186009736940515027319989248931005084115665842057004631908801970917166624231456197837146692225177309929748123639354832685824238270016000274505341161641514102246928608295763645719882480900194156312883907662571331910827919410937573804507998559274566613888496629631053577151860705209626257917433468249993850149076409743733386457646024462389166922329948855612565473208205767271543482601882530538855188163778712334947028220635682395714804003214195479947665759462173049720683889491347484995322295040829183254073132062463900355532446854086496424692409547241954933344557375844422373171921197302059907036649172445087679663996676127501757615014299459323784483710827130430682883586121788014946745565531386383596224297479354761519923609258806766983589852844641294301442535136627651431800386972841625128486645817893616285909598943655022776114749820870081125406161671404936233148923921005957400836712310542828004245842247488437401483229351728305281572809711880565231062270619447046782323582074754542700848973068926776527436472756347235384478316776573576112066587183495845883351539752370310364650507147551688593603084460177881785494550685996856532097789702081364253142313062324981240509409840038433744438229708597
 . . . . . . . . . . . . . . . . . . . . [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)
							ed4b50606a5d75d2ee912b8ebd2a792d638feb75
 . . . . . . . . . . . . . . . . [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 (20 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'masterstereo.com'
 . . . . . . . . . . . . . . . . [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 (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee0075005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016dbfd22e14000004030046304402206f2b494a8b444d863fb5dc5e846c4902bf337485ebe6fafe3dc7b990f224672902200d9e8122611e3bcb9f3922d4c601ebf973792f84a4746805236e53bd078300cc007500293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016dbfd22e060000040300463044022010df7419aff465dd1e12e6571ad1e16920da3ae5869571ac5a73dd8cc298e1380220128b477ffc8798fc6f3d35eb5a91c35bb62dd46b8d090892c29cd95bb3054502
 . . . . [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)
		00556046743384cc09055edf79a9e08fd39abb2730650930b11abe0d6262175aaa37c0ff4b732261ee78052287c3be40083c8ac2a71b2033671d1a64d21de075f2ab0d051952597c9dd1ae9198bab248af4fabff2e2d6237139f542bc3d3341128551a87e69f27672d65ebe3fd439f2a0fe4e0872541600337510e69db714ae58927a60bd0e4f72015fff2ed8889152f9952e0642df1c4ad520d716592d9c9290cf9786dea78322511a914e9db155a245f0ce7b5d9bff3f7ee5e5653ddc2f884a5f41f2d88844cc58904a930f842677d06b81b910fd3c8b4ac0aa14027d5912254beb6934464a8ded5b11fd163d6c8506e1c9151d84a00c792d2eee3952f17c181