www.durabest.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:f3:52:94:e2:0d:21:fb:e1:6e:b0:87:72:da:4c:0d:ae:12 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:f3:52:94:e2:0d:21:fb:e1:6e:b0:87:72:da:4c:0d:ae:12
Serial Number (int): 344135242697523266865780963421635665047058
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 32:f6:b5:2d:c6:22:f0:36:4e:0e:95:3a:97:4b:b5:d8:ad:29:71:a2
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): d2:bb:46:e7:81:6f:84:e8:0f:bd:c7:27:68:d8:a1:58:68:f0:21:25
Fingerprint (sha256): 57:76:57:ea:10:7b:56:b6:ee:12:ea:03:64:e4:46:34:03:11:66:78:f1:20:04:65:da:07:79:8b:e6:d8:d7:70

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-----
MIIGVzCCBT+gAwIBAgISA/NSlOINIfvhbrCHctpMDa4SMA0GCSqGSIb3DQEBCwUA
MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD
ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEwMTMwNDMwMjdaFw0y
MDAxMTEwNDMwMjdaMBsxGTAXBgNVBAMTEHd3dy5kdXJhYmVzdC5jb20wggIiMA0G
CSqGSIb3DQEBAQUAA4ICDwAwggIKAoICAQDPJPUn66RaXzGzUPF6XL+jiLFlDJU4
BDnV6KpFxiytvnLCl5UAL7Z14WfnV0XFvWX8ElPrmyoWECeeQXLhE+lzb8zlN6m7
AxrLWZ26dAySy/oqFTXrapFSSMsGRMp6eTwiihhlgOULwPW/RO8vdC7VnxKvi++p
91rSijROi/zE3x4bSWnopzWTwY40Vl4qMK4i1wLP/ajsf7vPlb+l/kb8ilpx25pL
mTwiFIgopDcn0aBe0S9uCahxpeizl9bMODrazi6GR42pRfoZmbdJ5/jY+2oSjjmv
scrGe6vexfphoSQyMd5Y1LbQ7NO/slK0WF8Dlx3MCi+U6HTEQXuiDh/umVATv98+
u2S2/PhgYSK3Nik6qVGGr4aqRP2b4cxvRdJhzzEhDUhjkoMhs0RV28kQWypHsVAO
+XY5npeFMOFbNHH3J8svht702kLzQu/f+eM9yNNcKz8n6M3LEHWfPsEyzEAK9wBs
WAVdYorfo9lz9UAVUKN6tiVJLyYCDgOrF4/Mva2ktAZ6QMEnSTaEILkt9cFB+XQ9
dbuj7ivpWNow+485I8eyuPD4JKPka9GROVdk/XSJqV7XMRb1Tb4UdBN7YLLZ/oKi
tgqX/SACcFCUSJioZkO1iE4jmb40Lf2Lj32y7SwxrsaNBn3AHXqxWCbOwB3Ffkc5
OKZ9ugRC6JYDnQIDAQABo4ICZDCCAmAwDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQW
MBQGCCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBQy
9rUtxiLwNk4OlTqXS7XYrSlxojAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv
86jsoTBvBggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmlu
dC14My5sZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0Lmlu
dC14My5sZXRzZW5jcnlwdC5vcmcvMBsGA1UdEQQUMBKCEHd3dy5kdXJhYmVzdC5j
b20wTAYDVR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEF
BQcCARYaaHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEDBgorBgEEAdZ5AgQC
BIH0BIHxAO8AdgBep3P531bA57U2SH3QSeAyepGaDIShEhKEGHWWgXFFWAAAAW3D
mLJjAAAEAwBHMEUCIQCdHBdcR5f222wtduXjugV/V+d4Dbam2ohwuw3uAkn7/wIg
LiR2OL6XfvzHojvshRyCciVx+X/3cqUGV75ea1tAOBIAdQApPFGWVMg5ZbqqUPxY
B9S3b79Yeily3KTDDPTlRUf0eAAAAW3DmLJUAAAEAwBGMEQCIEhqAUfRhtsvRmhT
cTmo7QYfzaSJLpC7tvBSVEIYeOx2AiBva/uZLbvP80Ta60ps1nxSb10Bw147xbtY
4k0L0SccgDANBgkqhkiG9w0BAQsFAAOCAQEADtcluZB8QPOMLfXdUSY0KAmy8dNd
Lu8q6MNl+onWlw1oR2T22moYrQ1LnqVstBCkKz1NI6tfSJV1mlw9Pynhkgnh3lmY
i97cfKpgoyys//tIrkCfUYTofyx9MlK1GPONdusu7TgwvMVlA6F3rX4ZhGnkYnF8
DRb94qfRaawXP7uAnlfu9r6/7XtsQ70gufVo83OXhGlVXJOdlZwVRbbhE4pmPyaf
YQDfvjqTvn4D9Gl5sHVqxwQ6/8mHVrg4AJMU6mZSHSlegTFmIXQ2gsZzdYQuOXws
DR69vo3wPASdF0e1X5LZP8Slrcpo6ffIo0PI6WmCwMlQ7SyMdVFC2OH+Rg==
-----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 344135242697523266865780963421635665047058
 . . . . . . . . [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 04:30:27 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-11 04:30:27 +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 845075283089453242674623320509047182791906540522035097116629529381085309390392425071681905489320862806704255619407770504593846724196439058738624287063178223052808150352761961599242466953056591536844263597384902196130908430877405026405834748944458016962905382862539573872191229718776516840738910342663839556211820730563660535695937325112787566947345013911724907821764864856930606513977513367724249087432457738380594965068393941460546161108732686840981279565546319408597845094918858042411827650355753344990585429990219413439158671733787642548840324082177802738116885758370075521654119589313179422348828825033781687840216807397436684761546693692274167855305810765251718918639616940827491362428888106135596605051677736614308696229135474319667542469175211922147420256015424402691766810415799243184322893977120073493054039555607052390580838837815822623925867300283497685063309664562912762236912431887445340010060543032694605225469331094527843090817788573730574009816341093559395903198464025214577607673409206891796145972168707037132707412084325780565956993776504349652637957244945098379431867279422487962786123865870790770760501697629369083291747099017440399675493625293139186863709371849667176791881801913491404234117931107415295417254813
 . . . . . . . . . . . . . . . . . . . . [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)
							32f6b52dc622f0364e0e953a974bb5d8ad2971a2
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef0076005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016dc398b26300000403004730450221009d1c175c4797f6db6c2d76e5e3ba057f57e7780db6a6da8870bb0dee0249fbff02202e247638be977efcc7a23bec851c82722571f97ff772a50657be5e6b5b403812007500293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016dc398b25400000403004630440220486a0147d186db2f4668537139a8ed061fcda4892e90bbb6f05254421878ec7602206f6bfb992dbbcff344daeb4a6cd67c526f5d01c35e3bc5bb58e24d0bd1271c80
 . . . . [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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