katalog.szu.cz

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:65:62:ff:0e:68:82:18:d7:e3:60:67:61:ca:cb:e7:70:ff 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=katalog.szu.cz

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:65:62:ff:0e:68:82:18:d7:e3:60:67:61:ca:cb:e7:70:ff
Serial Number (int): 295836965525815099323868856231882167644415
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: d1:02:89:8a:43:ee:bd:f6:b8:e8:3a:69:f0:4b:02:4a:99:c0:20:60
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): b8:4b:e0:9e:5b:46:fb:0d:a3:91:11:a2:c5:05:e9:15:e9:d6:dc:54
Fingerprint (sha256): 0d:65:6a:08:9b:a3:20:c7:93:c7:12:04:ac:d8:e4:54:ac:83:d9:8c:76:0d:c0:61:8d:98:2f:8b:f3:84:03:95

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 katalog.szu.cz

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for katalog.szu.cz

Public Key Algorithm

RSA

Key Size

2048

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

katalog.szu.cz

Other certificates including the domain name szu.cz

(limited to 100 certificates)
autorizace.szu.cz
mail.szu.cz
cejph.szu.cz
cejph.szu.cz
katalog.szu.cz
mail.szu.cz
katalogpers.szu.cz
autorizace.szu.cz
katalog.szu.cz
autorizace.szu.cz
earss.szu.cz
katalog.szu.cz
apps.szu.cz
cejph.szu.cz
*.szu.cz
katalogpers.szu.cz
mail.szu.cz
hygiena.szu.cz
mail.szu.cz
indi.szu.cz
cejph.szu.cz
mail.szu.cz
szu.cz
autorizace.szu.cz
epoz.szu.cz
mail.szu.cz
cejph.szu.cz
hygiena.szu.cz
katalog.szu.cz
mail.szu.cz
autorizace.szu.cz
hygiena.szu.cz
autorizace.szu.cz
szu.cz
katalogpers.szu.cz
apps.szu.cz
*.szu.cz
katalog.szu.cz
earss.szu.cz
cejph.szu.cz
autorizace.szu.cz
hygiena.szu.cz
earss.szu.cz
epoz.szu.cz
www.szu.cz
mail.szu.cz
apps.szu.cz
autorizace.szu.cz
mail.szu.cz
archiv.szu.cz
autorizace.szu.cz
autorizace.szu.cz
hygiena.szu.cz
cejph.szu.cz
szu.cz
autorizace.szu.cz
earss.szu.cz
apps.szu.cz
apps.szu.cz
earss.szu.cz
mail.szu.cz
*.szu.cz
katalogpers.szu.cz
mail.szu.cz
epoz.szu.cz
autorizace.szu.cz
hygiena.szu.cz
katalog.szu.cz
hygiena.szu.cz
hygiena.szu.cz
katalog.szu.cz
cejph.szu.cz
katalogpers.szu.cz
hygiena.szu.cz
katalogpers.szu.cz
mail.szu.cz
cejph.szu.cz
mail.szu.cz
autorizace.szu.cz
cejph.szu.cz
www.szu.cz
katalogpers.szu.cz
mail.szu.cz

Certificate

The complete raw certificate details for katalog.szu.cz in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAogGOcw+tbLgefxaUTJjT
zc526rSGKvQoBvNe3oiH/xtOMKipHSWGhSapNH7u/v3RFApyR9YHznUHzW+dKg2Y
Gox/RcDm4RL48C5dU8WmfF7pr7CJszG1/rd88OGc1aPPYhB0iCiml5D0ETGwpwXJ
OgtfEA1GJVJKxqmcKVtpEfr8SlAY/inuwPhmydvyCXMnT+MCPMiPeUfSpHro7IjO
0vIOxqi7LksfEjWZbyeUNINC+XnOEtYJvSOezEZN0rtxYJonre8j/wnlZVPT51bT
dR7jY6Z+P3W6aVGv44gZ/VeQzAtLVRczGxj+Ulzg02IEp3Mptd4S8p3XwGhjMVim
IwIDAQAB
-----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 295836965525815099323868856231882167644415
 . . . . . . . . [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 2019-12-02 13:24:56 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-01 13:24:56 +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 'katalog.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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 20451372915246562422622709175389880833587937213179889297900751462689807452346554679630731807180436886679764004916352814331263308846308750509989399117533057980994032447699143409144483319574808914310173457622349648581310689391799866416672156788441097703085055127317834335212436524249298187485543774667575436027331275625438161615794415769579970574923193101417966604021089559482794690500511205749628780286300640729580381791791122201219625169082171279679066950594446792171697149641635183485521648338308802143574907600718550737997124143233133491912623583450703236784989947382312923973385256294856646890779720041488973342243
 . . . . . . . . . . . . . . . . . . . . [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)
							d102898a43eebdf6b8e83a69f04b024a99c02060
 . . . . . . . . . . . . . . . . [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 (18 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'katalog.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)
							00f00076005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016ec6ffffae000004030047304502204320694d52393f50666b8af80f324eeb36d7dbffb9147f61d44559378e331dd3022100b9c85667a081942529dd4d40a7976ff3a4490ace9a63b9ef88d42667276bdaa8007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016ec6ffff990000040300473045022100a7b493c8ae349a04a7b9452625d4cbbe53a1afb78f2baae3c40c028669eebfb70220638681e93f268e88d1d27870e3a1ca308d2caf999a316ac46f11b0c655dcbbe9
 . . . . [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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