mail.factorypro.cz

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:3a:04:f7:c4:06:c1:f5:ff:0c:97:0a:72:72:de:06:a7:c3 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.factorypro.cz

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:3a:04:f7:c4:06:c1:f5:ff:0c:97:0a:72:72:de:06:a7:c3
Serial Number (int): 281079838461890047875633299999040398075843
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: f4:19:60:f8:11:09:fd:08:65:f3:02:9e:03:c0:75:87:05:37:0c:d4
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 5b:43:fb:89:be:5e:36:de:14:dc:85:fe:d8:80:4b:bc:b0:4b:22:f4
Fingerprint (sha256): 31:e4:54:21:a7:cf:2d:d9:63:68:f0:39:76:4a:6b:42:68:43:36:04:98:f1:b5:c4:e3:5a:bc:63:e5:8d:48:d7

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 mail.factorypro.cz

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for mail.factorypro.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

8 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

mail.factorypro.cz

Other certificates including the domain name factorypro.cz

(limited to 100 certificates)
www.factorypro.cz
www.factorypro.cz
mail.factorypro.cz
mail.factorypro.cz
www.factorypro.cz
posta.factorypro.cz
www.factorypro.cz
eas.factorypro.cz
eas.factorypro.cz
eas.factorypro.cz
mail.factorypro.cz
eas.factorypro.cz
mail.factorypro.cz
posta.factorypro.cz
posta.factorypro.cz
posta.factorypro.cz
www.factorypro.cz
vm5.factorypro.cz
www.factorypro.cz
vm5.factorypro.cz
eas.factorypro.cz

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIGCDCCBPCgAwIBAgISAzoE98QGwfX/DJcKcnLeBqfDMA0GCSqGSIb3DQEBCwUA
MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD
ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xNjEwMTExOTQ2MDBaFw0x
NzAxMDkxOTQ2MDBaMB0xGzAZBgNVBAMTEm1haWwuZmFjdG9yeXByby5jejCCAiIw
DQYJKoZIhvcNAQEBBQADggIPADCCAgoCggIBAPYF0MhnzIDHX4Tq+NxPHskjX6CO
Q071m9dwQ+0O8SMLzY3ZUrq/GetrPaJhm09+g8bJAFOCisxoK9fpLqL0dX06qfkd
rjb3oKtt3UOmhlbcL80xi2CE1WI4YX1w6ncpr4acy01Ex+fL1jSsP5vx4H66GTEp
1lxc3nbcyDDsFbmqc4kplbbLuIeyoQUz4+TjICLq8aDqm8u+NMPEYqigIU5d3/0J
4MpEBSukwxF18CUwvo/Op18c149mRiKaR5uo359RUfBX78Cz5ySw5hS2Svo+iws2
chQldp1yY8lNfPyPgszTJ4nxRNnkzvvNm4K04c6PttsSSL5K4o8MrAnBCLCpiJy5
ekk0kgq9PHUWiFvcFf+K4z3c7Au8qKhWGHhTlTnRNI6jk6HsiSFL4az1Wj35xcWd
aAGd4/UbqbyWHlF2cHaF3G0VmM04F7wIcR7cXZJrJi5wa5mAfjV8BlLhykCe48iT
g3nE3oBLtJxoCxURb4k+Cp5b8VtvG68WhIWFtkex7+nvPx0P2LMMl/rxIJgSiwCO
gP9TCJfxUa0Iq/WJ+QKLqFqc/a8Q7lAotleuccxKijWdWBgrScoBOAQM+yisu937
nyJf6vPG7HDdSmrMRkGyzOb2bZ10mQTirgXPWfk1zIaKvzdGwq36ektx3MGNwOFr
+nyTSfmDkQwaSZlhAgMBAAGjggITMIICDzAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0l
BBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYE
FPQZYPgRCf0IZfMCngPAdYcFNwzUMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZF
Ze/zqOyhMHAGCCsGAQUFBwEBBGQwYjAvBggrBgEFBQcwAYYjaHR0cDovL29jc3Au
aW50LXgzLmxldHNlbmNyeXB0Lm9yZy8wLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0
LmludC14My5sZXRzZW5jcnlwdC5vcmcvMB0GA1UdEQQWMBSCEm1haWwuZmFjdG9y
eXByby5jejCB/gYDVR0gBIH2MIHzMAgGBmeBDAECATCB5gYLKwYBBAGC3xMBAQEw
gdYwJgYIKwYBBQUHAgEWGmh0dHA6Ly9jcHMubGV0c2VuY3J5cHQub3JnMIGrBggr
BgEFBQcCAjCBngyBm1RoaXMgQ2VydGlmaWNhdGUgbWF5IG9ubHkgYmUgcmVsaWVk
IHVwb24gYnkgUmVseWluZyBQYXJ0aWVzIGFuZCBvbmx5IGluIGFjY29yZGFuY2Ug
d2l0aCB0aGUgQ2VydGlmaWNhdGUgUG9saWN5IGZvdW5kIGF0IGh0dHBzOi8vbGV0
c2VuY3J5cHQub3JnL3JlcG9zaXRvcnkvMA0GCSqGSIb3DQEBCwUAA4IBAQBd03mL
MTuxL7jm86ERgivdZGd+3iItn535o8sbTF4AAUXpdQV3F6L0/IulvGTSI2jxT4a7
1bNSDW1RveiOdmXZqR4SavEP60YbzLjMSj9WDV3Q8scqUricV2IfEVMTXCfVbr6s
YnDAoLBJglLUpOwaM7WQ5w6xM/fGwk7vZFVkJxGuieR8Nwg+mncECXJf7XEFWr28
0EfCLPYFDXSuimmP+WHMzfQaSTp5ZrjXJVol+4ZcLPEEwM/Ue1IstmQHFynlbrTj
8ChNt9SkTDpjRHD2jz1kWexr+vSJHf5D7KRxsAz++A+xtdJAnmZ73/fp3ICj8QEo
gPy7Rrw0w4rKlusR
-----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 281079838461890047875633299999040398075843
 . . . . . . . . [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 2016-10-11 19:46:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-01-09 19:46:00 +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.factorypro.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 1003685118101979928543159842745196847340055940444243884243063027738776988711484737573755897222607317878847955399512675010493056041369991438995690066898440359566765496634518678989188075701449836448701393623506275620179911358745804289220029990814548663079019389148203253158595311368132314556156064108104103067186899830797224709271021216594688673934766616040637808395755426663436579465902053511058512307680620657277587972897105142727511130635632216760698260940864045808481022751682615506106763834080347087573884069179567371484984673905924793225996017585529703107216554337998770818567389859019976643472913126788861192342350504071254542206722316447818669031086348867884012125750638580654636390333836287427231273031770548595871146020867076635255451615462721098445713219654249192953367819492483759232447706684119347264519603362152418232927914224569446111899956044813961069644788419868422101669705742800369313404453786622164875692707209642995592290503027341362053784016643806132660619805273971964753510725210608198759659514962074279660051302321331615259139648579256083989747314340468869691487075441537672129179721132040163807316156155484320429677215500859919396821723147338774067421420734675030316797055458275921985891142454774981603216693601
 . . . . . . . . . . . . . . . . . . . . [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)
							f41960f81109fd0865f3029e03c0758705370cd4
 . . . . . . . . . . . . . . . . [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-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 'mail.factorypro.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)
		005dd3798b313bb12fb8e6f3a111822bdd64677ede222d9f9df9a3cb1b4c5e000145e975057717a2f4fc8ba5bc64d22368f14f86bbd5b3520d6d51bde88e7665d9a91e126af10feb461bccb8cc4a3f560d5dd0f2c72a52b89c57621f1153135c27d56ebeac6270c0a0b0498252d4a4ec1a33b590e70eb133f7c6c24eef6455642711ae89e47c37083e9a770409725fed71055abdbcd047c22cf6050d74ae8a698ff961cccdf41a493a7966b8d7255a25fb865c2cf104c0cfd47b522cb664071729e56eb4e3f0284db7d4a44c3a634470f68f3d6459ec6bfaf4891dfe43eca471b00cfef80fb1b5d2409e667bdff7e9dc80a3f1012880fcbb46bc34c38aca96eb11