www.durcraft.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:d7:76:2e:1c:4f:03:c6:fe:8d:2e:00:da:65:cd:a3:1a:0e 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.durcraft.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:d7:76:2e:1c:4f:03:c6:fe:8d:2e:00:da:65:cd:a3:1a:0e
Serial Number (int): 421766940938368531671495494968840265341454
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 05:19:3a:4f:d8:1d:15:32:68:45:df:25:2b:77:43:3e:aa:37:f4:6d
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 77:48:13:01:0e:ef:00:e7:53:f3:fd:a4:66:23:88:e6:7b:7e:9b:17
Fingerprint (sha256): 4e:e0:37:a8:82:14:0f:ac:61:8b:cd:de:93:a0:81:e6:8d:93:0d:d9:dd:12:48:21:12:45:f5:8e:a1:64:38:58

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.durcraft.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.durcraft.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.durcraft.com

Other certificates including the domain name durcraft.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.durcraft.com in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA0wwPoV851GbD8q2RheRD
ReWFvFFJaiJIm9pZTPJPo4rjxsIKSO5WItu23ubwxKW1NtTN5vZy6MUOafu+pYR2
KlJNzwKWHPiDvcp7zgvGJca2Ny2gi2357gmP2Kk9nfqJn0C6e/8UQA6nVEo3EMW0
/M0Yug9tY+JBzZfNqSu3zymZBqOpoaSELEty2ve7BY0hTb18/jch4qd1b+58ACd6
mSXUP7ynD0nFZn4stQm8eFMvbTfJQobldtc6gdRENYrVRGzV65jFUibzWZ/v3frN
7n/IFv6UNgiOz6ZHNRbwrrXSIXC9zF1rwD6WfJLAau8nfqQfr4dTYOiXRzQbN+/e
oFqDn5ggw20K0NvGSodmygiU5rL6DLHVvWPkHGQEayIQpORegi1+YVph43uht+yr
wnQatE22mkT8ae5Dj7gSnSoIsrRAroc+SyBXbK5hnD22DI9IcaYAHrG1pFxl4kBb
lpTk+vQr7h4JMiu7z7JuR5OeSVQlbEVc8034D8gSGXNgIvmLj0lhpXfqehb8VIWo
8qPcUm50bqmcsapfWTnpx792pFrECJlJ9KVznsKDr/IJP1jI1Ppa02m19mggz6jQ
xCPoSX5LXm3QZAZG/626IG4P+/6D/o6cyAf1xOpVbpFkiopZB6yiHN/btgMKSuNh
3418ww8KI7QjYc15jn1/IDUCAwEAAQ==
-----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 421766940938368531671495494968840265341454
 . . . . . . . . [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 2020-02-17 19:46:50 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-17 19:46:50 +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.durcraft.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 860997104664494765831896693247221789853315718598918073069606411787229760446144465232925247349236064864144163977915628894245405789129627332802552736105215995047037905398346354293822527601733697348812990896680894880672590562916179943674581923742314814195651068481868350967667764991909480233884294119377155911365351093968576049655644647421046157813402664653425602456221801876973582890515895860703695968127093337821605114861912117731214449851351603092672354961744110591130588636004425890664827425100302714278999858126869227112880231043104791123728418050222348662143516542436397620080829555410789127827364140461122813525223970848638312651171789327510244535881350892303175820296837163999772732797817237335458136441037913276642044858564147590875243998688938094278883821814203966446860400703349124257848530091424154784709068293153856344063370738115662893476043930264929740646783956063059196909832302417388306752899993037632457987331517315818971099503813707262822267336214054276732420943125117536177366224729797640702822572274367446126400745380013855441789948344846026602577577023019449139427918880117654413955614071964399831425727744885785089389574062719679958494669942188897602979099291356199870098037255075451339703658719482824297902186549
 . . . . . . . . . . . . . . . . . . . . [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)
							05193a4fd81d15326845df252b77433eaa37f46d
 . . . . . . . . . . . . . . . . [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.durcraft.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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000017054e752b40000040300473045022100eb85126afa5a63f0d373d620fa5cf370586ca2f1d14330b560f750f88830740902202060b03e5165cf75222d66d1de7b468b2d91108df8cb5a4c1eecb16f45d07911007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000017054e752a6000004030047304502202a71f74ec385d9dcff0f4248b12c4d8e47bb766e20999ab8cc13f4eb6088fbae022100d547fd45d0abc3a2b8058aedea121c4e75dc2b1f988606981190c32fe3b121e2
 . . . . [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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