courses.superna.net

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:cb:c5:0a:f6:0a:8c:c5:66:1f:6a:db:36:d6:7b:76:e7:fd 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=courses.superna.net

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:cb:c5:0a:f6:0a:8c:c5:66:1f:6a:db:36:d6:7b:76:e7:fd
Serial Number (int): 330676093108678072463651029297885145917437
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 86:0d:a5:56:d7:72:bc:42:9b:8b:22:32:8c:89:98:2a:09:2b:4c:5d
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 75:70:90:7a:bf:50:6d:f0:90:54:df:f8:59:60:99:ac:4f:0f:52:d5
Fingerprint (sha256): 89:88:cd:72:41:5b:21:f6:a9:6a:56:e7:ef:63:e1:03:3c:b4:5c:4d:de:d6:0d:a3:4e:7b:1e:fe:a5:5a:c3:a2

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 courses.superna.net

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for courses.superna.net

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

courses.superna.net

Other certificates including the domain name superna.net

(limited to 100 certificates)

Certificate

The complete raw certificate details for courses.superna.net 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 330676093108678072463651029297885145917437
 . . . . . . . . [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 2019-05-28 13:08:17 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-08-26 13:08:17 +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 'courses.superna.net'
 . . . . . . . . [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 755149061464901451113732880685000371968621760385820556503496459128936371321563025080651342715954137722240548289436146431505287695057883127234112762670348622201475100165169568712664803798686724173992935861991580659448451677042203509880465901687793894946892864301495684193198058306748757054385764343084942372679920096945851437556588337308881051906570161660235660685339637095969001017694241992895384263526612667842327172391556280971799460385931858856477918487204412065248750298357556846649592447022848643038293435882493859797982073192895237812219408943117610981010341721830589392871058520938934465344368803502261617557551987174002386175299491296702469714298387634753177464657790476966096608092967893311984389222504326157194023181353692696460389766523132934910417777245397289138946437341710400475088718729914919726596113613517406769539409780892654935870543317916273047742366368308491078077935454371721187759791270735608443790204742782242863970130453757967573725568619254745321319016297073957976347564667240461590073109349575946899451958093279265011139387138199314263968649582143034208545605455865617606231992441670980367565475434778135835051167971501259301378386054387234439235180387597957843658700606123290701312081887667915517226193571
 . . . . . . . . . . . . . . . . . . . . [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)
							860da556d772bc429b8b22328c89982a092b4c5d
 . . . . . . . . . . . . . . . . [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 (23 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'courses.superna.net'
 . . . . . . . . . . . . . . . . [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)
							00f0007700747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016afec5310b0000040300483046022100bc2054677f2ae98b9ff83e476ace6ea706254572892f93511edde94e12b8a3cc022100dc72d0704ed2692e60c71ff5cea7673bf31bae4c478fb3a149bbb389643bec4f00750063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016afec5314f000004030046304402203201e63121919e00e988e0ed4f05ebd992f6b9a1e82b1f3ba6e91304593791cf0220020556c7a3957e2439689f1c366da40a3459336f52d3adb85e4ca4cf32662709
 . . . . [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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