www.blug.net

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:22:a5:81:30:b0:a9:7c:0c:73:c8:7b:26:ab:b3:87:1d:41 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): 04:22:a5:81:30:b0:a9:7c:0c:73:c8:7b:26:ab:b3:87:1d:41
Serial Number (int): 360238737615504426966099906104008397757761
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 54:ed:5f:6d:8f:bb:89:ee:53:ab:d4:c3:85:69:ee:8a:f9:82:9b:dd
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): c2:a6:7f:70:22:fd:38:26:a1:cd:7f:a8:d2:93:81:ad:b8:16:3c:9c
Fingerprint (sha256): cf:a4:44:dd:bc:7a:d8:66:53:ac:c1:13:f0:67:6c:42:43:0a:6e:e7:2d:ed:ea:9e:9c:b5:75:f3:d7:f2:4f:ee

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 360238737615504426966099906104008397757761
 . . . . . . . . [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 2020-02-04 00:28:37 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-04 00:28:37 +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 649076909652249607636501469928508270198236658145630812778094592707339824790207242282349580023449053055476875235528543027700851268238758273111119143864028455560743105756978767792804274781897969589148108840075979447617001346979244079397060483632835186292443604335777331387448067777692708877856016450758486005711282323338787276444538645911977579050513748265054021350155393905502559873060575410979427929947489869039937544384188549144257273729073693998964181129948754923748879088761225669340407333751875609203187281665445174974761012713059132129795987686936868931764789377470469626053310259436529098723052933332881793939124528076236074669804822197277129939071828643089910834146985155161950405628396239681759139840344129225316247696217934428348794821691521710604522923514341223637967991938271735984711062378819172444346807381819598142259568288600212617879239794835789039100125748940482540353381040091525113527477185691988777206079036702540659647116447007833898719077418619972685745786752636050166593295921952320243377267817748935063754694755777866121422108519402427939724033231869282819876372130760766734830547967985491076616580968307981273281804060154291927748810915653456865144914805387588463397095328250066741653964150809448645995882609
 . . . . . . . . . . . . . . . . . . . . [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)
							54ed5f6d8fbb89ee53abd4c38569ee8af9829bdd
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef0075006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d913000001700dd04493000004030046304402203b0756e135103fd7f44b3c9d075eff3d5f803c0f157ba2255be3b729382cb2a102203eb054a319201c4ceb4b2b9e5b47157652f5d356ecfc6813b2b6080b5772025d007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e000001700dd04469000004030047304502200e03310636bdb1eb37179044c32a167d61c2048bfbf9c3b1b83317b3bc8d6e7f022100b81d4b87c179fe9092e9d3be36869f6228759f596903645182701e4910bfa95b
 . . . . [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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