www.mechanicdurham.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:a7:54:68:e6:f2:28:85:fc:d5:fe:5f:b0:f4:fc:7b:55:55 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:a7:54:68:e6:f2:28:85:fc:d5:fe:5f:b0:f4:fc:7b:55:55
Serial Number (int): 318276212905736649443499414401745128478037
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: bc:61:90:92:3b:43:69:27:ee:c6:15:34:6d:40:89:47:95:11:2a:15
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 3b:0d:a9:71:e4:b2:29:63:5d:f2:e6:83:5c:ae:96:5b:84:79:ad:a9
Fingerprint (sha256): 1b:17:48:d5:4a:ba:49:80:26:52:9b:f6:49:88:16:3b:5c:25:c8:a6:63:7e:d4:fc:73:bb:c2:db:f0:8e:80:69

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 318276212905736649443499414401745128478037
 . . . . . . . . [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 2020-03-29 21:18:11 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-06-27 21:18:11 +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 666968476511961293091759495558927706611594839676475453421556575284141753031290530125227045015389431399826774569462650852376743034321019323371613572560259318088634451731331590249154782087770547421268806463761095867507765311583285944405011543935824290161444208900088423457563276747349903477239699467214581834852951237422514483627154842078451248782675460414615465654177597175904992994888565754140665219649895674887668968670246044259908173849346175992188918701755751731481688466406197048673161290871814797542164989844951356601993421302017401896521504894881098273346269528174208546487163934693119144438153075308360723204941772306695966425962955246245731826482015569416257103350770931399173093415744308088594915885893545381860161466187222113105088653150061060008895995427581965064959900242817987052755882869069335283210120599016114616277365820919723177229149469920557279122734478060457828392543412532369464922080271128707928238035338010767795036570439799719592004834002276360637125124796762544762384841418573144713571210900723968010872955273371116976357367713435655834028059414211414363257385232987607418912624512814094679293710350570400803798144480600398461073569117952377815694478943128486374002612600402508819620661080563031156015287557
 . . . . . . . . . . . . . . . . . . . . [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)
							bc6190923b436927eec615346d40894795112a15
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb27300000171285faf8f0000040300473045022047a2f2c23caad4de527d556b555f3e264f55a4ab3297a3fc71b66a6a0499183d022100b7d4612ec0c6f098f82cbe52918fcd9f4dc33491324e83b64b43322d15d751c8007500b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e00000171285faf8300000403004630440220704f62590d92c7a8427bd7a895c4ee0a8d90b0e5070499425b72059beeb0aa1d02200e8438d4f9abbe4981c1cb24a5c01e7841f0ecb2c8b0e020f62c4eee123719df
 . . . . [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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