www.robertbenchley.com

Issued by R3

About this certificate

This digital certificate with serial number 04:53:6a:a7:a2:15:a6:ab:27:6b:10:96:a2:3e:32:68:20:33 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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Certificate Subject

CN=www.robertbenchley.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:53:6a:a7:a2:15:a6:ab:27:6b:10:96:a2:3e:32:68:20:33
Serial Number (int): 376834348750073184081160405489102642225203
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 4b:45:a8:67:16:86:49:f5:a3:bc:14:13:2b:52:4f:c3:8f:d3:91:3a
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 27:9e:be:06:48:3e:e2:e5:a0:e0:19:e5:46:e0:08:f8:23:a3:af:8b
Fingerprint (sha256): eb:d7:c6:f2:db:36:1f:db:21:bb:e5:ba:75:f3:e8:02:05:8d:7c:cb:97:35:f5:87:73:0c:8e:85:21:b4:02:fe

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate www.robertbenchley.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.robertbenchley.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.robertbenchley.com

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Certificate

The complete raw certificate details for www.robertbenchley.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 376834348750073184081160405489102642225203
 . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-11-23 17:06:34 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-21 17:06:33 +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.robertbenchley.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 751905278216925073399365337564595530435648739011461146904698487324159262312828314901904779681398646603735137541699282716056253012636536774773234123865037395327954273016048312886150155872288092760819498993126671884002941566273721331206185746273771264446067982220059950211053028659216500097875819195346807020660756628951183245305076100036392628735845584774102890295015765435618633334349240476164747781084176403764779705581216355217540199201243581127266213915561251031282061188195642315684848278470781608428999519807007004003984309637371872564986084732379314001587212098183702762329959576451899813624114601441184407909442905998796619887197039434416842055725738024386359261591068249904271145093496468800739164756327768797552520942762881047869270795760345722239750093652118816111842616449422848240454583092255161173727026248972840281535577358496953481196270055509814629201439723958974614936066128492611213429780670280044304838347730857189691783812171491907951151846811442278012896471686222512031285330825636401648934808651587998597202890456233550775722075273227357440772821561880007261739440470244230923234500231080959142370180728437393357974209708661131880798757477609599954074155939714798858358496184768138578325606884838858462948385221
 . . . . . . . . . . . . . . . . . . . . [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)
							4b45a867168649f5a3bc14132b524fc38fd3913a
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.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://r3.i.lencr.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 (26 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.robertbenchley.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 (12 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f20077003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018bfd5cba520000040300483046022100a901777fee21094d1ed34cd40e670cde7561845fc7e3018206b0b2e7ac64d58f022100d661c7033b68865d494c0576707025bb9769839f2b52147a5c9512b796394d7300770048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018bfd5cba550000040300483046022100f8ddb83aa9949efa5483af87940400ec021693b8791fa8d0858922f8e86bb60b022100b8c7827799fdb8c7482b20f85ae1f4092c5493f88c1e97632e4b28129768e93a
 . . . . [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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