www.durawork.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:dd:49:8e:0e:9a:69:3c:f8:c1:1c:2f:60:34:c8:f9:6d: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.durawork.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:dd:49:8e:0e:9a:69:3c:f8:c1:1c:2f:60:34:c8:f9:6d:55
Serial Number (int): 336637032130841792284132368336166596472149
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 4f:6a:41:57:cd:b9:07:4c:85:51:7f:c2:76:e6:88:ce:a5:44:b0:bd
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 5d:a4:e5:c7:c9:fe:35:37:c9:f7:4b:87:b5:87:1b:34:08:4c:97:d9
Fingerprint (sha256): 3e:5e:21:f4:99:de:e5:89:2e:74:43:10:af:23:19:bc:97:8c:e0:7f:9d:07:6f:5c:8e:81:97:ff:9f:32:04:66

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.durawork.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.durawork.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.durawork.com

Other certificates including the domain name durawork.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.durawork.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 336637032130841792284132368336166596472149
 . . . . . . . . [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 2019-10-13 08:16:49 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-11 08:16:49 +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.durawork.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 815139116655952255855492498831437850831742292193560660547277350972959428593567547055107012835275597206730669486553240205405195578435020539014528116363078803071304630217623416129406208373697276068421958148622593450476084544108113169580642851598004524978032417105609683780750552952110354602520759779970432433673856403659830688051766516969093879260573099437860574558312003486288631336139893910736374521874875187758401961309579893985686325421057381014481623066127330838904911251691601974530668636464607566785670651803033697310209148574914186042418181552763530631855808177901781998712317153383541400714715143168589100963717139427242054905889610787186686159827152960243388254381784070899143491273912651897490094204402718868692615389937676099328577433673961164497955715682482529476000672336380322539934033648202908186023134772322203550761452346468175846410264825444778534376350475332478974376223972758756907277787921769175296382950499915883260079849904458223509512442840221803867191367503835043098131803144551182494207000186094095732493415638162312559279667735923394043676293046264547081131631293562471214153281897594845123626951086798619782580627612529550561757492404248166091928836266759661504433921886235905244507610653515783710350558369
 . . . . . . . . . . . . . . . . . . . . [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)
							4f6a4157cdb9074c85517fc276e688cea544b0bd
 . . . . . . . . . . . . . . . . [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 (20 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.durawork.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)
							00f1007700f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016dc467f27d0000040300483046022100f07c2a34e8f76914b79482a23e69cd5f682f20bb49c5b61af64e5ab873b3d056022100f4ba3b25ecc80568744a208e26bddaf88e8e53227cec328bd12a3a31f0dcb31c007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016dc467f27e0000040300473045022100d9c579314a97a72d838b0e662cf2da43ba67a5ef0a1215533ae50db26071b86202202eca9fa34cabb58a2ce1eaddd0b18f65f6647d07ce70d084f040057f283e4f1a
 . . . . [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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