katalog.szu.cz

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:12:53:4f:16:f8:ba:6d:79:eb:9c:4c:94:ea:61:43:27:06 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=katalog.szu.cz

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:12:53:4f:16:f8:ba:6d:79:eb:9c:4c:94:ea:61:43:27:06
Serial Number (int): 354684962912639143342038015891568370853638
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 81:84:2f:f3:94:27:94:28:b2:9c:a1:6f:f6:b0:aa:b3:2f:44:21:98
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 3b:55:9c:8c:19:ad:ed:39:07:81:85:f2:1e:e6:cd:90:dc:18:1a:f6
Fingerprint (sha256): d2:5a:37:9a:8d:a8:da:3e:b3:68:98:c2:df:dc:cd:9c:42:b9:a3:19:01:ee:73:53:1d:16:c1:cb:2f:80:8b:3a

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAi5Mnz2L5UkqSGU981UjH
VS7Bb+qHoODvUxCma2ZNeid1tsO4ZJVpU4e/qnyKjyoRtVg27kO8yS0ZymC66lfE
nuoPksQtViw8gnZR6i4pnxHCcWfN5x7t61ObUaNSfGN5WNKOaO7052GMjLsK7tK/
sMbX82gK9UQueGullZ/KS1owVX8/mK9bQFxdRRgso0AHjKO6UL8qLG7z+vlVhDZO
mgKBY/huU5hEXfN5ylPqc0N8DynYU4JEcuZGNTN8mM4XD7TExw/cuYo1JwyvcfTm
i769kqMMk5Pj8KuKS6yvHLjQN8BzDXo466ugQvAzoMjMN09NYtRnlGzAFFDgXFys
pQIDAQAB
-----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 354684962912639143342038015891568370853638
 . . . . . . . . [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 2019-02-03 08:26:59 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-05-04 08:26:59 +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 17619689475922539601605669493602447147863678598141890051242355932675290693837474809885591782421593168687164635947076358820581796553105084022023619245423678644808206573802005727666025206000896561107264989687211115189562063151523796627716660326605827043293256209359993732813458514676269687358072497983713338811883955485988535056811263021893751616484800299661175342602294266268255714506796207379401945464889015008416245121487300323640981565420465811936241541117975148021784585465016112780132579257584628902641904529771947184251739192583360242913292427619094134499675952705726487904785161210952452950076792463870339624101
 . . . . . . . . . . . . . . . . . . . . [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)
							81842ff394279428b29ca16ff6b0aab32f442198
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007600747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc5600000168b2aeb11c0000040300473045022040656d8b67d2324d63123bcfb84a09e50ab4d161ff9571f3e5ba0d575dc96d95022100ce2ffb9055f044bd8c48a84e0ec3fe30d563ea6998fc411e2320da2fd5bf5ba000770063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d00000168b2aeb13a0000040300483046022100da97218a3102f3b07480e553428664a747768ec8164cc4a643534a8fbbc6286e02210092cd9e0e64b0e0b9ca1ab5f0634b183d0ea29941c910ae014ce06f942f5e4161
 . . . . [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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