www.mechanicdurham.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:44:d0:6a:35:02:11:33:e5:6b:85:b1:40:d4:e7:8f:0a:83 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.mechanicdurham.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:44:d0:6a:35:02:11:33:e5:6b:85:b1:40:d4:e7:8f:0a:83
Serial Number (int): 284753089627626311951029972016151831448195
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: d3:2f:fd:14:48:9e:4f:32:36:8a:cc:72:db:cb:ba:3c:f1:4a:2a:eb
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 45:78:ae:88:06:4c:c5:5a:4b:34:cd:53:68:35:aa:e9:b5:1b:df:35
Fingerprint (sha256): 39:d6:86:48:68:e8:cf:f8:02:50:b6:a6:4f:1f:2b:e2:c4:8b:db:92:e3:73:bd:37:49:69:b1:b2:f6:c4:ca:8c

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.mechanicdurham.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.mechanicdurham.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.mechanicdurham.com

Other certificates including the domain name mechanicdurham.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.mechanicdurham.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 284753089627626311951029972016151831448195
 . . . . . . . . [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 2019-08-03 00:43:45 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-11-01 00:43:45 +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 'www.mechanicdurham.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 774825368398746705354949123536515077310893126550185909177285385481647172985903818666486764642390615753912978085163529540688855625517401384118409488290739225382407669583586754097690922332117347374795138327055372215480844797923663335237328847035325566764656333305342259222498969458504326348385544003678262443617780092601036577147441538838349861368226631295157267640751712267743306895894960473158727231861398531416158179334868102068010424623304967328905718724509657954630987000476162099741583986231202168164558860284523847861730863736231900739897021458909910805301969447019962907768528811528281019390760500715658092161708237831087915049869861284745594945835484336186644246376748953879138990637717626950694228969206768294069030950822733563105202481024241252281570623380786322810750291635530517810092354590298612234428919602190654066808755734327193391623712277870464598068898353102803939168604223351560585139965141680145797329973125289845680196536014324316979215913830139867296482511600660036578786182062398022166220370830878298274477101610447588714032900198580180070038370324023902253493434045049498169436162730894595586630118196662244235633432557663295716281046739721154765745301836195919751893572543604161042371396668917279130921968151
 . . . . . . . . . . . . . . . . . . . . [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)
							d32ffd14489e4f32368acc72dbcbba3cf14a2aeb
 . . . . . . . . . . . . . . . . [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 (26 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.mechanicdurham.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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f2007700747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016c5525a2f50000040300483046022100db4b8324278a7467dc47b6e8f7d9d66f5d6e19dce869aa92cd635e8e059595fe0221008e7b56e2d733003102e80cb6d1b0023ad9946ad4d410fce03078ee2e04942d35007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016c5525a3140000040300483046022100e325f2da0cb023d40ef228c8489ccbeb1541405b93d83fad9e6e38f2fe45090e0221009c6e2b38d5c339855f25dcf9e4e30b264f4e74535a15320e65422d939ea846ce
 . . . . [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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