www.optidure.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:80:32:76:a8:b5:64:08:48:65:d8:f7:3e:2d:73:69:53:15 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): 03:80:32:76:a8:b5:64:08:48:65:d8:f7:3e:2d:73:69:53:15
Serial Number (int): 304960078273795485509329314912976220279573
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: fb:76:99:13:f9:40:c0:df:da:ba:9f:18:59:cd:85:37:28:95:ce:48
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 40:d6:c6:f1:de:2d:f4:67:93:b9:7c:55:53:b9:18:4b:63:0f:ae:33
Fingerprint (sha256): d6:7e:41:c3:b6:c1:0b:47:91:ce:75:c2:f1:2a:77:c7:fc:c5:15:29:05:74:41:8e:72:29:9b:d6:ad:ff:bf:10

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 304960078273795485509329314912976220279573
 . . . . . . . . [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 2019-12-12 06:08:54 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-11 06:08:54 +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 775291159780288591517449978618916917820055461810769393422047168600593379296963581171551626450533854193481646883742751698630946908841415811852588282669249354287905407058768588057759977824009081334191449687682659225663905358560461679968640202483931757716345366031922804781343003735306949817705535150948866065250743772818950101954790403663674270902895446953942944461256799439901482751242840481810230330834017525041140132775168393395622123140991441701523572151890968778759227555271845174172385503427080426795909156521599526457652193691961326345065809615591784859946154866887542934044348091257794743368107946750297137670717065340425225106170986808553236725520637318598664430159314016884909544283078687452679660745363404780902571854126474281360362860442427976187272602479884620012329747275803267549541180444026557391781289034396063771301839428819660972016057982157635214024441594931392597278796200772674737641789648086654174056588488248287212372712432084395369213333182359796603780404364343852587872831953887509128240595626820017871621861976299598981664683880877809640684182666426940261915679792020804895638460245530294735506539176081866752380828315896148323028757013614966017500726028760535081036192477980257344783048996735324980933493669
 . . . . . . . . . . . . . . . . . . . . [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)
							fb769913f940c0dfdaba9f1859cd85372895ce48
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016ef8f0642d0000040300473045022100eb43645aa46da3f0636e0910c48166c76a4f005bef2bf208a5b545313d73c31e02201424607c68650065767d00230407bb7db5f2b68cd2987f73a280dab6eb38a82d007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016ef8f064220000040300473045022100ac58e76a7a20e74f11423662ce8d1bede046d35c426464932927c645de08cd260220774c782ee6e9849ad559086a42e4c1b9f809f48b820c19c82087a94528ab1704
 . . . . [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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