summon-custom.techlib.cz

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:21:a4:f2:72:fb:73:cb:5e:6c:9e:a2:c2:0c:6c:f6:45:40 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=summon-custom.techlib.cz

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:21:a4:f2:72:fb:73:cb:5e:6c:9e:a2:c2:0c:6c:f6:45:40
Serial Number (int): 272785428162937001106953131471306103342400
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 71:d7:6a:6e:ce:02:a4:07:40:76:5d:e8:76:96:ae:a6:f1:b1:bf:30
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 00:fb:3d:5e:1f:e4:78:3b:da:32:fc:5d:5a:3a:94:36:0c:b5:f1:6e
Fingerprint (sha256): 14:73:e7:a5:ea:4e:3a:07:cd:23:31:73:94:e3:f7:0b:6c:ff:64:d2:23:34:54:1e:ca:57:0d:4e:e4:21:97:6e

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 summon-custom.techlib.cz

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for summon-custom.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

summon-custom.techlib.cz

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Certificate

The complete raw certificate details for summon-custom.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 272785428162937001106953131471306103342400
 . . . . . . . . [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 2016-09-09 11:47:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-12-08 11:47:00 +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 'summon-custom.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 800446093680336957711761408427646207218441004552866674096028738107399536570355389514115909137502001185031365003510841502244482622095499609722813112162854295271770954987324127328738245135254291280952825700578199915583807344134937012152101648835677782143664617430113651672435566029808599503082931680481052680683745454972877130893198554302211846767844904184655633552833853413923140345387954659318331117150717939940291958857149786893020877436456693183959839672013955317552462894607917306385400527347762124937235846462881050237555719919909168416360174509756492424732695749720267215214662146746815999223559166634580497923634647295949825415815935326542335527873862804244468990503906480916027275077025452293066590606459760669394859615865120095261537086242894532052300991687217535908319371699633864699585367251462819682052092576177897749917568437832941710049316282380342367905676548082853097947195012768658910206654318857737032354752984790204594543154212904936314483489921553763214918847458214291083774207251626281781707675635060903601949645374766480826116880728259874041961943588484313762528300457947099231867684912081021615725674925770586769154299753889394793940478858289451166347647824436256415380859077203857775693293801392100176272874651
 . . . . . . . . . . . . . . . . . . . . [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)
							71d76a6ece02a40740765de87696aea6f1b1bf30
 . . . . . . . . . . . . . . . . [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 (28 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'summon-custom.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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