www.duraf.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:00:1f:a3:14:c6:46:f4:56:88:d7:ae:32:99:6d:71:09:d4 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.duraf.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:00:1f:a3:14:c6:46:f4:56:88:d7:ae:32:99:6d:71:09:d4
Serial Number (int): 348491196560655587743552110082509730023892
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 7e:86:66:bc:58:b8:2b:5c:6c:16:de:8a:59:78:f4:c7:79:2f:74:b8
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): f2:8d:8f:dd:05:6b:aa:1b:8e:0a:6a:f3:56:e4:ca:da:77:7f:2f:26
Fingerprint (sha256): c7:1b:18:23:ea:a0:78:76:f7:ef:c4:2b:66:c4:70:5f:84:1f:57:0d:43:8f:a2:81:df:20:de:a6:15:9c:e2:91

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.duraf.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.duraf.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.duraf.com

Other certificates including the domain name duraf.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.duraf.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 348491196560655587743552110082509730023892
 . . . . . . . . [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 2019-12-16 07:44:08 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-15 07:44:08 +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.duraf.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 755186250413285694212718465837437212389260661132961020837202906649200694852178828416843544387365297275419663409307359544380789470199036758303811445487398498163116499534072657374298337893549240989391773762164827882069948656340089195261334676101914636635730648380729098342097239078963072514647892518659513308944195233262501603563800280112647157608821861199030803616108111396088894291284264650643086819280683517520320700162853506253780943325987609606450791644895893133572394432190529124432051854085964895563023892249884563237474446544613502234421040298643293823714179475422642105888444205858369340009803225642118848239427671652785990716532786817608057468508786175657009237371904556158780745139435605914385565314130381086995825386464193254553467769240414577748681675390855940829940210582855586064303292965204143247962799564668739188449925073735596589099037958212251326247364733236023881957048142113559080453587618959040655072041897624977284031713122132069098062550784164547705826032987776036818631969538903198619191209629290431096616857324353229324915939624225607340986271451640332027383245711557299146301738607592146094902953246303333165362566320962901030485977734024251486610159989135268271430474630118414860491732400861506116633640401
 . . . . . . . . . . . . . . . . . . . . [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)
							7e8666bc58b82b5c6c16de8a5978f4c7792f74b8
 . . . . . . . . . . . . . . . . [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 (17 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.duraf.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)
							00f0007700b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016f0de1054700000403004830460221008f6c4b288e8db52cb53f1e22093ff46653247bf53e01f4d7170306e5bd87dbaf022100de1dde373a52ae978a2070758fb3e639c30b98e2269e0ead5405bfaf99ac76270075006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016f0de105710000040300463044022072fb9a1e80b41b2f15aa4609566f3318e2b3d2580b4c4562e6d7310884ee4ac002206da77a745581fd4351547f3d57da0be03aa7f7c787c0389d27b2ea0c36405fd5
 . . . . [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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