uvt.cz

Issued by R3

About this certificate

This digital certificate with serial number 04:91:5b:70:86:12:71:42:f0:f5:d7:69:20:48:4c:d4:67:95 was issued on by Let's Encrypt.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. 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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Certificate Subject

CN=uvt.cz

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:91:5b:70:86:12:71:42:f0:f5:d7:69:20:48:4c:d4:67:95
Serial Number (int): 397911630934745693581510989549577616779157
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 4c:56:e8:cd:31:d7:d0:6e:49:c7:31:91:ca:9f:f7:78:0c:8d:2b:f2
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 5b:66:a5:1a:c0:15:f4:fc:82:71:4c:5f:bf:d1:59:4d:26:96:b9:ec
Fingerprint (sha256): 1a:d3:81:a0:bb:55:4e:ed:52:0e:57:58:c1:44:dd:37:8c:ee:d2:16:a2:19:2c:49:03:b8:91:a9:19:f6:69:f3

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate uvt.cz

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for uvt.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

uvt.cz
www.uvt.cz

Other certificates including the domain name uvt.cz

(limited to 100 certificates)
opentis.uvt.cz
phpmyadmin.hosting.uvt.cz
letest1.uvt.cz
tv.uvt.cz
tiki.uvt.cz
opentis.uvt.cz
spravait.uvt.cz
uvt.cz
mail.uvt.cz
uvt.cz
opentis.uvt.cz
opentis.uvt.cz
centreon.uvt.cz
letest1.uvt.cz
mail.uvt.cz
uvt.cz
ncb.uvt.cz
git.uvt.cz
ncb.uvt.cz
ncb.uvt.cz
mail.uvt.cz
psw.uvt.cz
opentis.uvt.cz
centreon.uvt.cz
opentis.uvt.cz
tv.uvt.cz
uvt.cz
git.uvt.cz
opentis.uvt.cz
psw.uvt.cz
mail.uvt.cz
tv.uvt.cz
centreon.uvt.cz
tv.uvt.cz
letest1.uvt.cz
uvt.cz
opentis.uvt.cz
spravait.uvt.cz
spravait.uvt.cz
phpmyadmin.hosting.uvt.cz
git.uvt.cz
centreon.uvt.cz
uvt.cz
mail.uvt.cz
chat.uvt.cz
uvt.cz
git.uvt.cz
opentis2.uvt.cz
syspass.uvt.cz
spravait.uvt.cz
opentis.uvt.cz
centreon.uvt.cz
mail.uvt.cz
tiki.uvt.cz
phpmyadmin.hosting.uvt.cz
opentis.uvt.cz
mail.uvt.cz
opentis.uvt.cz
ncb.uvt.cz
git.uvt.cz
phpmyadmin.hosting.uvt.cz
centreon.uvt.cz
opentis.uvt.cz
centreon.uvt.cz
spravait.uvt.cz
centreon.uvt.cz
spravait.uvt.cz
opentis2.uvt.cz
centreon.uvt.cz
phpmyadmin.hosting.uvt.cz
opentis.uvt.cz
opentis2.uvt.cz
uvt.cz
opentis.uvt.cz
chat.uvt.cz
tiki.uvt.cz
mail.uvt.cz
tiki.uvt.cz
opentis.uvt.cz
mail.uvt.cz
centreon.uvt.cz
tv.uvt.cz
opentis.uvt.cz
mail.uvt.cz
mail.uvt.cz
ncb.uvt.cz
tv.uvt.cz
spravait.uvt.cz
ncb.uvt.cz
uvt.cz
opentis.uvt.cz
uvt.cz
syspass.uvt.cz
centreon.uvt.cz
centreon.uvt.cz
tv.uvt.cz
spravait.uvt.cz
mail.uvt.cz
tv.uvt.cz
opentis.uvt.cz

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2lQxKSxTrFNUnsniKvpp
DznkqibwaJN9jmyJYZHj70HPr9oM18vw8ylnoAlHwXRquhxJu5vVSgFnFwh8GU10
jVJt2a6sqYZ+5uWdLzovuRnRwTFDE+WibmKwTGp3YI12svfKFz38+NLz9KXbgr1f
xBWYAzRbLVgG7KPxz9J0nT7uhZjvC7v4CKjqaabiRXFcXhPQ//DGQSFY0m272ZsH
/YL08zJlGW0YDMIrhmo6EphCPkqdPYZGFE2c0kthoFJQFug8AVnnFLBw3NcMDmrr
fbYO4mNsiZtW/GqwuxfOXy9vA1RfzsF3wAfi6JCqgNikSsncaLobV4qemFVTSW1M
swIDAQAB
-----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 397911630934745693581510989549577616779157
 . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-11-20 22:46:09 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-18 22:46:08 +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 '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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 27561467122160278279518863096153550090845798835792669533105977983526282107773572251907062333656443473332448413404271174948815621317233034114980615214412298272719884234657809986706474476641353474113968450860899811827782686345497476171603118245580999961009492422769726806482818386428895679721388186358269181350143644158640122678014685687827006126874429075648381324208951860677588943316998971543096850296100293525123163928354202770082511236513359024899410162410707702984090627249325199117150688171140138443161271976986693961999308621879475742426091366567952874438050301628235221958684152254253634008886983142141005221043
 . . . . . . . . . . . . . . . . . . . . [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)
							4c56e8cd31d7d06e49c73191ca9ff7780c8d2bf2
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.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://r3.i.lencr.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 'uvt.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.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 (12 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef0075003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018bef208bbb000004030046304402206622602e11e2020fec4bb6c251ef1fd904d56dadf6de3d9c40188f803f0ec08c022032404a4dc2b5c640a1738f57a15d8c03fd497708e6d4704cf457b2ef9a7261c000760076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018bef208c8d000004030047304502204894a538769410a334df13e278c8df3d4d2fbc8e1161d16b4563ca3b85593bdc022100b5e4635ead376213d6ceeaeb9fe6a674441507d7c000b8d7f68c052a8e98872f
 . . . . [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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