ncb.uvt.cz

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:4f:f5:56:8a:d5:9f:32:6d:d2:5b:7c:5b:f1:2b:01:3b:06 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): 04:4f:f5:56:8a:d5:9f:32:6d:d2:5b:7c:5b:f1:2b:01:3b:06
Serial Number (int): 375657560926189656585079430492541113416454
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 28:ab:1a:58:63:7a:aa:64:26:92:b0:96:71:b4:42:0f:4b:9a:83:f5
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): b9:2c:30:9d:f4:10:5f:43:33:d4:de:12:ee:f7:1a:59:21:aa:f1:19
Fingerprint (sha256): 1b:91:a9:f5:61:c7:55:de:ab:b5:c5:2d:74:3f:52:97:59:7b:20:c7:28:bb:38:5e:a2:63:ea:11:f4:dc:fd:0e

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

9 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-----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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 375657560926189656585079430492541113416454
 . . . . . . . . [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 2019-02-19 18:02:02 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-05-20 18:02:02 +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 835867291518189434968038510206709391554173126884735271989603069165381862084199204901857120448824411899100945881266583639377306625847043732451529766318444317999634909569027613687760669353332106990159509555624951451783795300671314020697977696238970207315028353179609437872474553235075964374106596926390897300698419037321984495171476266990948740242244579219615660515639696075624396089230529283460560043438054814167498644470944555522519883670328618747196180221376246248105646203057249787949519591580794480968034878531706527438394229827794467963230089215874434202705266880377593873517937191754883197263350072374613446765647310693489127416856480170100334882386388182086159146226207513112048709160071984891080032587274455555100875638419913016165918087455801506566422155903638411455184178781688271204829873275518528355523354961915473729861653816734867657913682227343577609304992200962234455395226724457972186112401806383858555628775022594678400356303310400056054799476286443783528457606407839982828496086086986382570995307146781728453444359072824471600102318759797872243998187268672728483261443621434732424891700069424390004346165825018005724576306227715133669226244119601560589056250163250538436165521047153698314153363386302308378386068131
 . . . . . . . . . . . . . . . . . . . . [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)
							28ab1a58637aaa642692b09671b4420f4b9a83f5
 . . . . . . . . . . . . . . . . [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 (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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007600747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc56000001690722ea96000004030047304502204c4ee820a9c1e3d18981718d558a19560f70c869180bf11b68cf238387f7e43802210080e19471d21c31ec52c1c95271045dcde28710a174ede1a583dc83a95463b1aa00750063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d000001690722ea840000040300463044022022f8fb1d68ce44d0167edb746c1d162ea4b3dd935889ff408d1d9bb05be4ab20022076e8224350dfbfda8a27785b18bf4261bb626cef230f85f2ed3cbfa23fa241a4
 . . . . [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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