elag2011.techlib.cz

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:b9:7a:de:b8:3d:32:89:12:7f:11:93:6a:f6:5f:ee:5a:1e 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=elag2011.techlib.cz

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:b9:7a:de:b8:3d:32:89:12:7f:11:93:6a:f6:5f:ee:5a:1e
Serial Number (int): 324452417917854635094776235833689337911838
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: b5:9c:35:85:b5:dd:74:57:66:9a:43:d8:70:1f:a8:d3:08:d4:86:9d
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 4f:42:dd:8b:99:c4:a5:c8:96:6e:60:58:ad:90:01:88:62:ac:42:64
Fingerprint (sha256): 09:31:e9:9e:cc:7e:cb:0e:85:a4:e6:a6:85:e5:9f:74:db:78:c3:6c:d4:96:5c:9c:c0:8d:58:2c:83:32:e7:05

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 elag2011.techlib.cz

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for elag2011.techlib.cz

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

8 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

elag2011.techlib.cz

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Certificate

The complete raw certificate details for elag2011.techlib.cz 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 324452417917854635094776235833689337911838
 . . . . . . . . [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 2017-03-31 21:04:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-06-29 21:04:00 +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 'elag2011.techlib.cz'
 . . . . . . . . [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 831830727381069772753551743723738628038656138095378848162143277973577633864547952059033350933819886361254789319020719245924640494792209991337305098379257496943880702047533150851524877923887986478383990099867807522660384184713251028389256048480906038568914610632329108619354811273264783379949012914303687293307420608446060839410854613619228663390066899530140527366031447102640818870990215709046566272789725581959489070298500856116818454085135607303771652681766041253760920011492853736224313319662280783193447904653426851461563905468419685957675358243499814702094598796627060998745534189185722272251975282420653734926633922305600896394683243493636560554571535995106214288141022006564365154821441584399834181533376118516125841375832401453504996458705455165617429986862654086966733709126805403020872101009151645104813531355396283683660314561306500299817344123076958786081350748242062872767787655171005544500594860514359014820953840974172890645525406536209193351734034186634185506626525099343923991997120519863731961286637036546825467478079302943994592923622196431003402563903820463162548590168644497951771488461017628030976427121588882133915395100896581801843310816024999885196618398598538680359125352689271227050516700098676297198145673
 . . . . . . . . . . . . . . . . . . . . [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)
							b59c3585b5dd7457669a43d8701fa8d308d4869d
 . . . . . . . . . . . . . . . . [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 (100 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 'elag2011.techlib.cz'
 . . . . . . . . . . . . . . . . [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 (246 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 1.3.6.1.5.5.7.2.2 (unotice)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/'
 . . . . [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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