www.optidure.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:51:a8:05:63:3e:b2:1a:70:05:f2:ae:c8:9c:9c:0d:86:19 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.optidure.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:51:a8:05:63:3e:b2:1a:70:05:f2:ae:c8:9c:9c:0d:86:19
Serial Number (int): 289123067793578731151425061189096007632409
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 08:9a:90:d1:cb:87:0f:2d:ac:1f:22:9b:cf:2a:8f:a2:80:8c:5d:b1
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 4b:f1:e4:86:92:1e:11:5a:91:b2:8f:cf:4d:ba:a6:5e:a7:ea:6f:12
Fingerprint (sha256): 8b:15:d9:7e:77:f6:9e:01:ff:b8:8f:15:79:6a:a4:07:94:04:d5:ef:fc:6f:39:6f:d6:01:e1:17:98:33:db:65

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.optidure.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.optidure.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.optidure.com

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optidure.com

Certificate

The complete raw certificate details for www.optidure.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 289123067793578731151425061189096007632409
 . . . . . . . . [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 2020-02-10 12:38:44 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-10 12:38:44 +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.optidure.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 921445949705476690866613217987860289634908041467171319910092419046662272042036413608779070407619925142682734448048874066730006059240714633275194511907688190459957118110309272997256474229086615435914526005235660352589625143293561219158430872148863691141044530334035895731141824710370836975311031273188363113602610228427545454111428354273836425999104964730124099362845164530942818921737682223551272701948012945010010450959294289619585554947240417653538183517934806388999415539156806168257897779863053858069933768908916822916833168807805936859557779731668523473739844460610652170107101776957101051898037578774242402902453582183555106902920433952581995249710553051268059495694723687990593842238435958479901549645915863712751557315457369729779464502497162555633481128628217489962990930765862702489538027793995694229552523378136242660366456591628027540054769669331006733169807278619736023733353028221744821264677784264282341864901799631711530408313985030919863778365001717957513881478919845266903529106518682157897998253751692178047742977209454563310079303250320780780448995295476584643124510086843250209700190120429747814773940221526598551576456191505796107969180554649115144748001485929412710438961183293977315941780849372370128868037357
 . . . . . . . . . . . . . . . . . . . . [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)
							089a90d1cb870f2dac1f229bcf2a8fa2808c5db1
 . . . . . . . . . . . . . . . . [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.optidure.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)
							00f1007700f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb273000001702f52dc4c0000040300483046022100c07826e0971ba66dc3d0ce5535d997955694cf7e1843488794c50ed86c259b89022100a713be13d78dc8c16f6ea5f7be9e885a1c25bc6504b485e3ce4fac57cd577b4b007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e000001702f52dc5a0000040300473045022100982c4a59c600b0acb6af20c97ef28feb089786b3cc870fbfe20d34682de09aee02200d8b055baccf1059604ebd39ff670bb8d6253d477ddc1254eab62872204de091
 . . . . [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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