www.optidure.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:a5:d4:f0:ea:4e:83:45:72:b0:f3:b1:bf:b5:02:36:73:04 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:a5:d4:f0:ea:4e:83:45:72:b0:f3:b1:bf:b5:02:36:73:04
Serial Number (int): 317766495575892307359400576330426094088964
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: c3:58:4e:77:06:73:55:b9:59:a6:d6:32:c1:36:7e:a2:ee:75:82:79
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 16:80:f5:a0:fa:c3:46:c4:cf:9a:7e:3b:d3:f4:bb:b3:b7:97:c2:bf
Fingerprint (sha256): d3:b8:81:fa:f1:eb:d1:f7:5b:88:e5:24:e6:ca:34:52:d7:3d:d1:a9:16:f4:a5:b4:e2:e8:b1:46:96:2e:9a:6a

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 317766495575892307359400576330426094088964
 . . . . . . . . [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 2019-10-12 14:01:04 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-10 14:01:04 +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 786666734078938809647579353788389444364538933930505898760249204857858057097842987581088718345106433328485060122642749221403212475854714916267813501429810483718739412271469906002736546325601322299683537328230178729671680142332052176137912739625555807086098682848043201169822048243360142353412675726208532394762277140184942201993250021736347026730814041503115425662706233132357536473035776925989122659939683786305028422407364439398778355012650228324138801226179018795587195580685381729775711205095338889711866146414897861297561331434943305523799062714847889906106286587198150060619894739327854158314787983488726607722327546382042079916721510013633715581857741783200777409506858123799226581725129514452108231862511900937568088238055468552371098061817252249083301488574131618274295032198368782934558491881665604340895067152902213345652874777351977219422398155329769236928240729378902950312589124698400379279447794155197141235686995231996517883358098226015315393173567975770288353580924245328787254716343772987921414107220767006725307816801074318287253227006210041826236644773086658541722290201785248801174972618026069076433756530347233756614013292917772847254992835839421678017155726026055674240712009941011322141966046505624013013043181
 . . . . . . . . . . . . . . . . . . . . [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)
							c3584e77067355b959a6d632c1367ea2ee758279
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007500293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016dc07cc08d000004030046304402203e89bf500d02f89c11d96dde70a7a08acc5093bd377e13be494ac67c178747fa02203b3d2bf73e2c161a0fe79666c6776b87a4845d47d7fca1030c3c356b86cd82130076005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016dc07cc29200000403004730450220474244205dfe2442e72f613a2403bf9b1493d1853714350003627238241f1d6a022100bb8ab1d28159b39baacda79a3f21a8ad8c5ea3392424e01ddde9e7fd8b2ccda8
 . . . . [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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