www.somersetclassics.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:84:2a:66:da:9e:7e:a9:fc:81:c9:d6:f8:d5:a5:f8:6b:4e 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.somersetclassics.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:84:2a:66:da:9e:7e:a9:fc:81:c9:d6:f8:d5:a5:f8:6b:4e
Serial Number (int): 306310491853069698021566666561321579342670
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 0f:5d:40:66:f8:0c:d7:5a:c9:0d:73:d2:5a:c4:3e:14:75:a3:6d:56
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 98:d0:68:70:7a:3b:35:1e:2e:e0:ae:02:93:a9:7c:32:7d:7a:70:02
Fingerprint (sha256): 46:ed:6d:29:88:f1:66:fc:d8:27:bf:2c:2b:ae:ff:e6:a5:1c:ad:bf:b9:c2:df:d1:17:91:df:82:08:82:bb:6c

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 www.somersetclassics.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.somersetclassics.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

www.somersetclassics.com

Other certificates including the domain name somersetclassics.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.somersetclassics.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 306310491853069698021566666561321579342670
 . . . . . . . . [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 2020-01-16 08:36:58 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-04-15 08:36:58 +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.somersetclassics.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 692532694381885857674148707259691800956354505979376863728789082540646391104437413830034837196971823018692686521292270806286871142471804386511492923693140984144503321590254674605090857083565328292196915010213286436537322631161332720325793787738685335731575659844006989382172471917053756335025803781921247821108869732155477943996166485103218793384125900420741250198943797327468219838910505220741893827318769997104166825087989764427111005520578100443046053637296261102673700837426824348490017442718566215473448621702256583122405734716149463471696882858310455743460854562991457466045527716026300068300368149757239208746865554610655347002084665117673757351581170282350873795863401780692765332265365992011486467124874204153830354119865867912501783660843385842239057235181525285785855332716766420184616974956257394551287809633727187222012285403484391423565591493504421852602380667023242397734068068624244373080588814298977498149196083989383714795524312927155773574952982970052988433291460829123952986970788743728002746551987429714578840914964373335417710828432346873242258892643876079515114723726349836112022287101212418281810816473124790799456953663869411864289512652232501161272058591095027896623176192684689360405405610592379754754672459
 . . . . . . . . . . . . . . . . . . . . [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)
							0f5d4066f80cd75ac90d73d25ac43e1475a36d56
 . . . . . . . . . . . . . . . . [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 (28 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.somersetclassics.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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f00076005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016fadb688d3000004030047304502210088245d6d5200d4bc865b81f6003edd181a60e4050a2d7f5c52f22dc7ae7e38f7022071d3c5253efadb3982290ebe110cf2f36fd8341d95b7f06970976597210e119100760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016fadb688f90000040300473045022100d977234aa2b11b7819b4c4fc540e19d84cba0687592cd5464d65b63b1ada92e202205c77c99797d19c086a3730f6345646d6c720f1cf5dd7c8e578dfb41501f08756
 . . . . [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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