www.durabest.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:ca:d2:3a:29:3c:fe:e6:e0:30:b4:d0:5b:05:a6:30:ed:6a 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.durabest.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:ca:d2:3a:29:3c:fe:e6:e0:30:b4:d0:5b:05:a6:30:ed:6a
Serial Number (int): 330353335782054308717501669002017739173226
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: b1:a9:a8:60:43:12:69:e7:95:b7:e6:aa:35:ee:01:8e:3d:9c:da:71
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): a6:58:1f:7a:ac:b8:27:7e:5d:fb:be:e1:1f:85:10:bb:87:3b:b0:ae
Fingerprint (sha256): 63:9e:ab:ee:a5:0e:2e:7c:d2:4d:dc:47:d1:96:78:50:2b:1b:25:df:41:b6:3e:79:3f:06:2c:87:ca:bf:b0:b3

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.durabest.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.durabest.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.durabest.com

Other certificates including the domain name durabest.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.durabest.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 330353335782054308717501669002017739173226
 . . . . . . . . [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 2020-02-15 18:27:01 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-15 18:27:01 +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.durabest.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 863309225514662685004396029909623439000864987798975592470724512878113939634198625519446438806479238314958736802521711060266455093328847704371160788039158026576693617635240851801543650404465235211171343954998423063690872450602321186167450281864089268924209331775083585781404934864903679032001083763690010382311131526837802243276529901794170468141642260477361287970705387297459485314432670253116166172407211562143709284516795990248044739252808803585846942312398235289508854624001130026608173543164574017816115516477160336987528690438177333094631662008037802337654290257858351281251322439612152330364093973895247194021863979868619949705724474691978198896806207567911158074603965785687821686464074147861251235992474497741419225049558187442783490922460802291919561990866763346264503999184868566385788098453007663364700010203513060901821290411776895826505516504808047027227444143912902982090938768009284975710338193272391093466909075980727923996043103219441195713431876073693218984305650007422610409391917279024144262757372914116609040758993333651240488505218337065307686911965471126317623180215819295001559138792265274005318283047945414963459120552500591081283350850982348747143908821419784980694400674193857517903901847673524245154555629
 . . . . . . . . . . . . . . . . . . . . [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)
							b1a9a860431269e795b7e6aa35ee018e3d9cda71
 . . . . . . . . . . . . . . . . [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.durabest.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 (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee007500f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb273000001704a5184ed0000040300463044022012df56e2ba3728f4964813dc4de29d83feba010c1cb5b1864bd2924c49a8305e0220683e691e50d4f5062ef7c392b1b8590bbf3f13975ebc30b7a7e0eecfaea02a50007500b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e000001704a5184db000004030046304402200b4a18c2422dec241d0bc4212721595f340ef76e0f667743d387ba76cf2e196d02202aec90eea20fc4ed29107a4fbefb7e123e32061e5ca4b2346b44e07e29e91903
 . . . . [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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