summon-custom.techlib.cz

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:44:da:85:21:a4:d9:97:48:f7:0f:b4:61:50:e2:40:9f:f8 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): 04:44:da:85:21:a4:d9:97:48:f7:0f:b4:61:50:e2:40:9f:f8
Serial Number (int): 371878807638608375606715029044390059352056
Serial Number lenght: 139 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): 26:c0:37:de:4a:3f:cf:7f:2e:e1:0f:fc:0f:93:51:b6:e6:06:d5:39
Fingerprint (sha256): 33:f1:b9:26:85:01:f9:05:e0:2c:80:20:02:3b:99:6c:b3:d9:ac:c3:48:05:70:66:f9:25:b3:4e:3f:6e:27:32

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 371878807638608375606715029044390059352056
 . . . . . . . . [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 2017-07-31 21:03:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-10-29 21:03:00 +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 (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 (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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