katalogpers.szu.cz

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:9a:ba:e3:da:13:17:79:5e:22:71:4c:a9:41:ee:a0:6b:bc 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=katalogpers.szu.cz

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:9a:ba:e3:da:13:17:79:5e:22:71:4c:a9:41:ee:a0:6b:bc
Serial Number (int): 313988761782786038635086214504036025002940
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 4d:63:44:1f:9b:d7:cb:cc:1d:7b:0c:60:d4:ac:2e:04:38:37:b1:40
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): bc:1a:aa:7a:73:2c:47:e1:21:62:15:c8:b8:25:1e:dd:7d:ef:5c:d7
Fingerprint (sha256): 08:13:07:e8:18:e9:63:09:4d:e8:82:45:1c:01:65:d0:66:49:8a:2b:f7:9f:2f:25:88:a4:40:36:4b:de:91:3c

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 katalogpers.szu.cz

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for katalogpers.szu.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

katalogpers.szu.cz

Other certificates including the domain name szu.cz

(limited to 100 certificates)

Certificate

The complete raw certificate details for katalogpers.szu.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 313988761782786038635086214504036025002940
 . . . . . . . . [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 2020-03-06 12:12:49 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-06-04 12:12:49 +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 'katalogpers.szu.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 726385841027504844793870942455100467932751376581035980307804544943169727287346453235302849214982519039519179906874150236958331756267261729879212008437336679068580692700965648924229346803934856397117705142287390554671157338807075889239356062271566808618084601465051647944966492724635657611087562439524409901584825186852295976988890850389550044031027743301610513367984617357071635050432670304286141820725506010554148795758595299662653820802937115452521919069219324233010429513191883567995326741645293224930857119565535789154444250656920833816803742487919261573233858742335059693911408529639390485826796650320689163013722601544249625031641203368557687183544150396795194651532781593057658583402275324363011106485289792193154921427116505142998804682724225695997343022007288464278429869536113810093855112895200391114268533402608393319961601261976795174762462166115505106241524977162364268548737432743337697766787105269279566612795646040648959234834188808951082752038216948645363056603215843243566273365266682424742087876836608619909741662712260701674864736907008248652959008064542441492414307504884351242765910750030564602733123082902711834170593511264420112668530916869593739679051829218082348318312620682359194636432632763968815132752139
 . . . . . . . . . . . . . . . . . . . . [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)
							4d63441f9bd7cbcc1d7b0c60d4ac2e043837b140
 . . . . . . . . . . . . . . . . [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 (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'katalogpers.szu.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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f000760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c00000170affa1f9a0000040300473045022100a55cf5b4894dbbd21c3362b73e8876e832d093de526a54645433a62cff52ef8002207a86768e77b89863a64a68d4a715cddb435131b0685f345d45142801ed044adf0076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d91300000170affa20020000040300473045022100e2995d574786b4d1fdabbf331a94fec9e92798f841bd786b44a6a3e371f00c52022073c14a72674913c57d07cbce615ccce807be7ec97f88dee5806954a96535aa9d
 . . . . [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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