ncb.uvt.cz

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:cd:97:82:b7:a7:e3:29:13:3f:50:fa:96:49:46:ef:69:7f 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=ncb.uvt.cz

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:cd:97:82:b7:a7:e3:29:13:3f:50:fa:96:49:46:ef:69:7f
Serial Number (int): 418408421096770866783106401047809415407999
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: b5:cc:2a:3d:45:4e:a1:55:24:14:5c:4b:4b:95:2c:99:56:96:8e:b5
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): de:4f:54:cd:46:8c:ca:54:66:92:24:1a:f5:b9:10:89:fb:8c:31:5a
Fingerprint (sha256): 1a:d6:14:a9:f3:77:2e:6c:fe:1e:65:d4:5d:21:98:af:b3:4c:c2:80:ed:86:6b:43:09:9c:e8:88:15:8b:f3:1c

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 ncb.uvt.cz

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for ncb.uvt.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

ncb.uvt.cz

Other certificates including the domain name uvt.cz

(limited to 100 certificates)

Certificate

The complete raw certificate details for ncb.uvt.cz in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAyGrzl9pBNy4D2PECSk3/
iHj08B5Q6ZvnTpEQr82W9xtz144QHjy+m7B2WxgfuXG11E7lVpHhDmPxdrLLxZrU
O9ZYDkyk4JCps3RsqfOiO/qkWVUICjCCHYO5NiGHAvfmzOmJVWmupXqu+Qlq2yz7
l7PS6N6XkJgDk4qMqcXQZzKul5dYzPEfSU/b6wvS9/RsjkQ0HCSAJAOUoHbrKbEf
Qku0TigtHJeBIAY5wBk2OPlyvfJ9/z9uNnMqMWkcAth4Se8TITJkJ4DXz91zHaZh
pcaMpLtF+c69Fj0oakZ3iSkG3mpUAaKh1LTgqc2fQD/IcW1OHdDw2bb20b78j7Ya
C6o/GvCq4M1f347qad/Ld+GERE0CdAEgAA6jop5+hMR4h4QUlBkffOO4LHkxrH6e
w1TslBWE7w+/Np3qHM8okV+yHPV9BZgmQ4ldC/RTFaPZvAT/eeb6F2k72V2U6EpM
CNRaBCcPEdvhWiPmtJXxwhd9Vz/F30qdVwGHpioy9tW1fiHAs0jArQqmYSWAsXt8
IyZPaUNlaottyhOTtg8LKxZb9xhkEbF2ul/DjfRwgqdE+jGAakh9xhZ7bIYZ4li5
Fd5qubAEiySIZphfklBK8Zn7HqZcJevBSip99i0wmOrRfcQEygK32pspFzuIjtZf
t3upG+haVO/raec7ZraO7JkCAwEAAQ==
-----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 418408421096770866783106401047809415407999
 . . . . . . . . [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 2018-02-06 13:31:22 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-05-07 13:31:22 +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 'ncb.uvt.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 817633205005351847801533226220508270880234145471842891908660801515524137515095559553023421857304213080390536703051198698583370957050926579752828866603233238101006866190011076625661973177992166938144223323771284844120524953258652977472444926339407971047544600972587360190831536531892911361704373489940623373730374004881740349205020953957378901644152570249996859428755449048332180464300704326654064907630884008572693446891748597136330501286684019866246752832649619786643060202459549999230032334872998432066854786715927544919142645626913842914008021213646977338308568074965183656759151875138845291133307401504962991708962203178242713404855981894171679160432338510602384818269109703156302323091140727837726918796932595165087763237073013233393122134324764257032672981050851420992248726163697539932518280553106410894768732236491359983420824045324372771674743967085527271648135419619081390932053840203874399837506431717587481884556745155443714569311165288809725159557235360034124323287274323264089686979929752602001714433278658344842858349061047192210698148758822230642163810694870438554473816791945106825273304427874160247797468002247053145893926481596771694727155074700155749083151743069116583206161979109584244630622531952081224294395033
 . . . . . . . . . . . . . . . . . . . . [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)
							b5cc2a3d454ea15524145c4b4b952c9956968eb5
 . . . . . . . . . . . . . . . . [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 (14 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ncb.uvt.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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