mail.uvt.cz

Issued by Let's Encrypt Authority X1

About this certificate

This digital certificate with serial number 01:25:96:1c:18:4c:b9:88:5e:25:68:f4:d1:34:ea:dd:c0:7a 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=mail.uvt.cz

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 01:25:96:1c:18:4c:b9:88:5e:25:68:f4:d1:34:ea:dd:c0:7a
Serial Number (int): 99902263584371336574923067969745945739386
Serial Number lenght: 137 bits, 18 octets

SubjectKeyId: 9b:f3:0d:22:8a:c1:66:38:f7:18:2c:72:3b:13:0c:71:65:f7:59:85
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): ee:57:c8:b0:36:0f:64:8d:f6:9a:f3:4d:68:a5:a2:ab:c5:3e:b5:10
Fingerprint (sha256): 26:d7:68:db:00:3f:15:25:4e:30:bc:73:89:21:21:70:52:3c:8d:cd:6d:b3:66:b3:b5:ff:cf:d3:56:8f:12:72

Issuing Certificate URL: http://cert.int-x1.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x1.letsencrypt.org/

Check the revocation status for certificate mail.uvt.cz

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for mail.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

8 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

mail.uvt.cz

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uvt.cz
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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
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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
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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 mail.uvt.cz in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAu32KmiW9epAa3Ji7x+pn
bQoYEIJd24dpeOxFNlrBzWyILBpV2RpiDMWEgj9Y9i6iSsdsiHpxsPo6LEnMGLQS
0R24rexJrV1ECU00RrEf3HJrntGZlz0cjzdgz4/8ZAgFB5Pp4Z4r0k93q64eSLx9
e/PhPe24NBOgiQHNYq6G5VOuyxgs9c6YBl4PrZjtJQcO0qbjFwuMADI1rxnPQBmo
P5BaDQbW/Cl+Q+jRAVtXNvUO7F1rSwRTpic0diYQ/lhG0p54DgCQ29r7E8jvWWhO
taYLF2o/nsbVF+zXlQV8Iq1evANLNi4WD0L8Vr+kpNS0IkzF+Yog4HEJIaKN8aFs
+wIDAQAB
-----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 99902263584371336574923067969745945739386
 . . . . . . . . [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 X1'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-03-13 02:16:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-06-11 02:16:00 +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 'mail.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 23668469807490948368809706263215949469023683080492183555807443130950205860820113281909170699018424338458926228935824348185663176369078295769105602750378154363828702871489152396210242470584140728092699820181923750894710212258126122146588838923813779127733527535210258589722409564132758877036600809811425454153921714082238789921650449464142573338920348473887575373130990869936179216167996259789098467457660120311477155694331695506019438887816981799855699517242753652438204961527126816909099173701037169293507228884625067677971676186212825405587052071803002115636765641277752563146384413078065524950330045466257792265467
 . . . . . . . . . . . . . . . . . . . . [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)
							9bf30d228ac16638f7182c723b130c7165f75985
 . . . . . . . . . . . . . . . . [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 (100 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-x1.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-x1.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 (15 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.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 (246 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 1.3.6.1.5.5.7.2.2 (unotice)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/'
 . . . . [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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