mail.jeef.sk

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:47:8f:b4:37:6d:13:0e:bd:71:8b:6f:a4:c0:f1:b3:ad:1c 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.jeef.sk

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:47:8f:b4:37:6d:13:0e:bd:71:8b:6f:a4:c0:f1:b3:ad:1c
Serial Number (int): 285687921187673446034236236583256613694748
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: a9:9f:37:75:e3:f1:50:d3:5a:24:0e:0c:ac:15:5e:89:39:f2:d5:ed
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): f8:fe:63:8a:95:e7:01:26:d6:d8:84:96:2a:c6:58:44:5d:26:37:27
Fingerprint (sha256): 72:63:3e:b0:82:08:e6:95:0a:8e:73:c8:20:67:31:1c:e7:d6:11:96:a1:0f:fc:2c:ee:2f:78:52:01:2f:70:4e

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.jeef.sk

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for mail.jeef.sk

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.jeef.sk

Other certificates including the domain name jeef.sk

(limited to 100 certificates)
admin.jeef.sk
srz.jeef.sk
www.jeef.sk
admin.jeef.sk
admin.jeef.sk
mail.jeef.sk
admin.jeef.sk
srz.jeef.sk
www.jeef.sk
srz.jeef.sk
admin.jeef.sk
imap.jeef.sk
webmail.jeef.sk
webmail.jeef.sk
admin.jeef.sk
www.jeef.sk
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*.jeef.sk
admin.jeef.sk
srz.jeef.sk
admin.jeef.sk
imap.jeef.sk
webmail.jeef.sk
admin.jeef.sk
webmail.jeef.sk
www.jeef.sk
webmail.jeef.sk
www.jeef.sk
www.jeef.sk
webmail.jeef.sk
www.jeef.sk
imap.jeef.sk
www.jeef.sk
*.jeef.sk
admin.jeef.sk
admin.jeef.sk
www.jeef.sk
webmail.jeef.sk
imap.jeef.sk
mail.jeef.sk
webmail.jeef.sk
www.jeef.sk
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jeef.software
www.jeef.sk
srz.jeef.sk
webmail.jeef.sk
www.jeef.sk
cloud.jeef.sk
webmail.jeef.sk
www.jeef.sk
imap.jeef.sk
www.jeef.sk
admin.jeef.sk
webmail.jeef.sk
mail.jeef.sk
admin.jeef.sk
*.jeef.sk
imap.jeef.sk
webmail.jeef.sk
www.jeef.sk
www.jeef.sk
imap.jeef.sk
jeef.software
www.jeef.sk
admin.jeef.sk
admin.jeef.sk
webmail.jeef.sk
admin.jeef.sk
www.jeef.sk
srz.jeef.sk
www.jeef.sk
admin.jeef.sk
srz.jeef.sk
admin.jeef.sk
admin.jeef.sk
www.jeef.sk
www.jeef.sk
webmail.jeef.sk
admin.jeef.sk
webmail.jeef.sk
mail.jeef.sk
webmail.jeef.sk
mail.jeef.sk
admin.jeef.sk
admin.jeef.sk
www.jeef.sk
webmail.jeef.sk
admin.jeef.sk
www.jeef.sk
webmail.jeef.sk
admin.jeef.sk
srz.jeef.sk

Certificate

The complete raw certificate details for mail.jeef.sk in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxuJ2aVCAK7TjK8FV9Cjn
iPQWB/mG2WuCMDSBVLUdZo+lsj+9seMJDjl8KtoQxhVGgLhg7gf5dpbLd0RGksNT
gIOSm8vPFy4gzGpMCNuunBeqoENPo0VKD2NF+LDfQr5EZST4IR5TS0UkRiQq3Agv
4BvTgQgnPcfaO9BaMHqRW8dHq5M8k2VdJBm24j2UyINz7A2//dQgvdtuF7Z55s+j
gq0vvtBv2Ls8BVLEbOwsRfccon1Fi5YJu3CmDA8YbNwrlOs9nEdda7nQbikSDdIj
j+FPPhbyNktosAeFB7G1vFAnVgWKR9GR8R8QeiA3H87pec5eTWo5hOB3odkS44KH
WQIDAQAB
-----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 285687921187673446034236236583256613694748
 . . . . . . . . [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 09:21:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-01-09 09:21:00 +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.jeef.sk'
 . . . . . . . . [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 25106857226062138239926532298917962764337992800599786869838605918936509741595453998617582434287874699181683039031603397313947252277541975333868519523388884917735062024483051874980668358378783486648582045711047288150119022009361688214499130033932101911317527301172543848327996462304387852275952656363717400729796472349804276356768955552955847135431330269570383523704396941120130830879565534707112529921204545098883119382660484361494505343623366494870877431801790194245677170407470137580046472752927312600701801895814705559959379599524712865365860096692317182244541786538434172662857306398292761607637600791092577601369
 . . . . . . . . . . . . . . . . . . . . [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)
							a99f3775e3f150d35a240e0cac155e8939f2d5ed
 . . . . . . . . . . . . . . . . [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 (16 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.jeef.sk'
 . . . . . . . . . . . . . . . . [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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