www.blug.net

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:2d:4e:9a:de:2e:bd:61:2b:ee:32:11:17:71:9c:a3:f7:1f 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.blug.net

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:2d:4e:9a:de:2e:bd:61:2b:ee:32:11:17:71:9c:a3:f7:1f
Serial Number (int): 363866334142268692870332168017799366833951
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 7d:c8:62:d5:2a:d4:e7:71:27:5e:a5:30:dc:8e:1d:a4:75:6b:60:b7
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 88:d0:31:dd:c0:69:47:05:7d:b5:31:da:2c:a8:fa:f4:ac:77:73:4a
Fingerprint (sha256): ea:ba:60:16:15:99:f6:be:8e:29:3d:0e:64:75:2f:d7:12:b1:99:56:51:13:e0:76:a1:f4:08:89:eb:95:5f:e4

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.blug.net

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.blug.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

www.blug.net

Other certificates including the domain name blug.net

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.blug.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 363866334142268692870332168017799366833951
 . . . . . . . . [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 2019-10-02 18:51:38 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-12-31 18:51:38 +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.blug.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 827005814141778304411590773149180063328532514799561907105577668856852823627384436134938336997028841972258164542630715299713150110605100781253851234849839113448012684155081240378500834078481963962938646361641761405168103148125245780498742740007214059154098600452027146295105391856811927161792631017199121775726186274663239965123127661364358389435512957682704672738506650856776576168167810281434675736411616828510470981753630660341925504786198991807261467575987342553587306185375766848166835677129375729847431115186534527150851124218184324297433030247605378705532144720224451512602610427559878092069888495859806276477141865475215121510602691766699836092803781612530492273478889183210123950551756362828614345263433110297897027143628982306290137546110472834884293116388715951523653207123021773477553160604376845794816378931525913541063059375887508930023466195720056842771140429769497002011840915521903989771716605180611959091647916971933715272513024641415376764727382353105757654198871065374208116138866656144972274678587295683124300968765297405941855660338882510385035270554747833481457274840178476513465164308203506413173971695749702457655885382615844418846279509589757442411949874226648109823384054134700831581502233081966107621707533
 . . . . . . . . . . . . . . . . . . . . [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)
							7dc862d52ad4e771275ea530dc8e1da4756b60b7
 . . . . . . . . . . . . . . . . [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 (16 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.blug.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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007700e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016d8e0730bb000004030048304602210094e6163c1bda859285591ab7fc337f93b951724b5e06068b2ff43d681456c838022100c9811ce58fea3031e29769bef0f656a5a3c582e0d8f038011e480bd94f73421100760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016d8e0730ae0000040300473045022100ed251567d47b6de7072ca8e90e8a1f6c0052b9d4f82205a9d4c8ff79abd7b294022045799df72c6e0a8aa3d55b203ba377b57bf9be9f25e3db1f6d41736ebfd1e23e
 . . . . [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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