courses.superna.net

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:89:3a:1f:03:7c:41:d5:e0:f4:9f:2d:29:9c:24:8f:81:eb 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): 03:89:3a:1f:03:7c:41:d5:e0:f4:9f:2d:29:9c:24:8f:81:eb
Serial Number (int): 308032798319099345186523247045917470065131
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 0a:35:78:47:a3:d6:8e:c1:93:ac:4f:7a:9c:01:7a:e4:7a:8d:44:32
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 22:a9:21:01:da:8e:66:e4:b3:7f:a2:51:d3:a0:33:e4:06:df:db:a6
Fingerprint (sha256): 1b:5b:a7:15:fa:84:62:24:6f:5a:fd:f3:90:27:b4:e7:c6:1d:b7:d7:d4:47:3b:d7:63:1b:cc:a0:d7:6a:1e:f0

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 308032798319099345186523247045917470065131
 . . . . . . . . [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 2018-12-28 14:02:48 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-03-28 14:02:48 +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 736858521453037529583310813281642827156462816108205066776321713937332876905499713800708365549071159828409258777083201252489569005621937958129042099752280732205149142974783448425740565405951485125782813613951805731286525902577790588667804106997657498273565936052829624377178284496305889146598377092222944903092562842250532757686938787508110332431113852332291237222275495019084439747319715064244735295279936117272039212958381529798879842288042204705178179794716407773741823031883478227776770157599795032357721645761435584048695149981833066925482572750089694818457868607190027019118822040156047029836167488806955594042889028433611573282840274549545877299588894737367601647248628775486372228258783222010018244963598039851711404104051122406643519298832299096290710946019568976949702377609905806564079241905431773248986404711762330450255047855311802779413895813854835818191542799571155335514334243177034216973994102241381426054283166362077893995702740958500671149903417203128868376205451395885315165396027317165057408013829789458007953993408190216690242079860402951685170931826633284874770557133703877408481126004575230809278166695030435854932294255887816846566496124954793628692477603044012365861967789959056317029688717072311626015073023
 . . . . . . . . . . . . . . . . . . . . [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)
							0a357847a3d68ec193ac4f7a9c017ae47a8d4432
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007600747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc5600000167f556dbaa0000040300473045022056a3f1494d913a42ae6346477993becd1618852a173498c796f87b3d5ac9a51c022100af972d7b14ae5cff89e89dfba2b60a05f409b677b7a9b1d883abbd8947cb6391007500293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f47800000167f556dba300000403004630440220248d3c7af8489e6909365f13f2420386caf8e5da2b3319cc65bbd5e799fd19ae02200f0e3b469c0f364d9d5284cc82f95ad9ee2bb0db2b0c9196f1d75ca3e694e822
 . . . . [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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