www.biondina.org

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:7f:fe:2a:45:cf:26:da:93:20:e6:5e:32:ad:1b:38:bc: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.biondina.org

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:7f:fe:2a:45:cf:26:da:93:20:e6:5e:32:ad:1b:38:bc:41
Serial Number (int): 304890561797535868857612871714777301826625
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 3c:21:ba:c7:d8:c8:4b:03:1f:ff:00:84:c8:b1:b6:02:ff:b0:b4:8e
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): ba:99:cf:91:dc:bf:34:84:26:48:50:56:73:6a:5b:1d:41:c4:fc:a4
Fingerprint (sha256): 9b:b4:83:47:0e:08:de:de:60:f0:e3:f6:dc:c1:a2:b6:aa:01:db:52:bc:5d:7f:23:57:d1:2e:b9:8e:9c:96:21

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.biondina.org

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.biondina.org

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.biondina.org

Other certificates including the domain name biondina.org

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.biondina.org 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 304890561797535868857612871714777301826625
 . . . . . . . . [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 2019-12-02 13:54:09 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-01 13:54:09 +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.biondina.org'
 . . . . . . . . [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 717523233338879194363160136660472736706902664355155223738778834179492112291752087319216377137594921570043430792557333616993618986870108551685065447000473760124394555547651926815055402798550014607275266556659710597439376896118552408719645968595276398383142033306166551742499152064306180185988259073749370886510569395364476372669428738976357987466515573353002530701993041574945014909487320085575830673671828693545285211504598632658379790090367719756359370973185768944932008080713067580536431659387351906436224258641568019367201301092578754923831823764413692497142817072771161740450004133675956592917937212563712383636538270639432730611080497731300364788358688632180199043851859162383008244324574674479110439717404907148695601390717857361895793261289674751343158169255233426488575127927650111452673937466051909874153747184347334414806371360158324177329021621314189705037081326167970527795639774769000676023458863746624411603431209711161215015915839303116428812567881685719870389566204615606290982645758402533951790616923793604016385082415670400307970676882696791671288646282433243159123282366063281805234249016992532360982119788942798590381711055887927881705254691854618785994309056563762119135609363879784847723001754643962989853744351
 . . . . . . . . . . . . . . . . . . . . [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)
							3c21bac7d8c84b031fff0084c8b1b602ffb0b48e
 . . . . . . . . . . . . . . . . [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.biondina.org'
 . . . . . . . . . . . . . . . . [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)
							00f00076005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016ec71ac14300000403004730450220388b9efdcd102baf81f11977a90d81fb3c0b90d0183602469f81837b1b4971ec0221008675259ea63d857ff152f04f55ddc2ee4f57217acb7de3292f2a210e8d82cdf7007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016ec71ac13300000403004730450220152d0368f29b9a7103514104ef0001c457fdfccf67315a810cf4199f4d3602f902210091b4e2ea6a7bfb1a5926b26f4e02ef20094d27f19c1ad37aa43a61c7dddf6177
 . . . . [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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