www.mechanicdurham.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:6b:4b:76:62:b1:87:a1:78:47:8f:e0:a9:dc:af:e8:74:8a 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): 03:6b:4b:76:62:b1:87:a1:78:47:8f:e0:a9:dc:af:e8:74:8a
Serial Number (int): 297847377848275832934856126718046257050762
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 09:5f:c9:3e:da:c1:0d:b4:c6:b8:7e:01:5c:66:20:36:3b:b8:73:f5
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 08:83:21:88:80:fa:7f:40:b2:28:a3:a4:2d:ed:37:e7:4a:db:5d:ce
Fingerprint (sha256): 96:ca:ca:cc:53:cc:92:3a:88:da:f8:f3:1a:49:3d:bd:49:94:6f:7d:f8:f5:ba:0f:75:ba:10:10:52:24:78:19

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 297847377848275832934856126718046257050762
 . . . . . . . . [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 2019-05-22 20:28:13 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-08-20 20:28:13 +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 741240850968906740400377031535715844375983346469671420113499223008305536836845700562022222406145197546406473823340155065915240268532570820135104073472146473323694234325312073964162954787333629875117526194269872166487097327920634452835325707550343046249289670823575216946739138342531466757196727234314946622614964744280520344403278393496852122098815593846097990085419811586787223611666269219489893792091221936108257734016997158744513234458981895349569226034350083770450753150937453723898389065061602710598791979374957193236969144313756753004581252330593575184033417713984431501485802817114724828287190310177991135031061126268531166237869144116936999678081755030033997154075265309135541746371113587589112318728033175245030289260667463681337339957862670454425724479738558867101094004508635984198890487898790050482258386338256474286532699506378221393410936186798332917921926703312234126879816108072457091387439274772192666112806181477348014457353246884048051372359860331108289004307436955088452944016749367703375411450841718293101043104861553117744644500550607933235279712383439545919022462629751931596431508668448104806220856184337337991506426970864981966965290432853487860270057002387863878103719873027662745862938186157950153901822237
 . . . . . . . . . . . . . . . . . . . . [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)
							095fc93edac10db4c6b87e015c6620363bb873f5
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007700e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016ae171d2780000040300483046022100a77134c9bb6eebe734b61b53ffe44a0c4f4f4e6a0448dee7eed60ee258985a7b022100b6050d0b12757bd65d42ad21b227628ab21f51b7ed9d40813ca944b0b87472d800760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016ae171d26c000004030047304502210087b2c12d50c3122458abe4ae9a386865fd7f93627097bdbe15b4b9596aae86800220094aeee54aeed8a2fdfb69efc8814a0e57559f842770782943a659ed989b5d1d
 . . . . [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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