mail.prolan.org

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:8c:1e:a0:79:b0:bb:0e:5b:f9:6a:fe:4d:04:be:01:f9:6d 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.prolan.org

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:8c:1e:a0:79:b0:bb:0e:5b:f9:6a:fe:4d:04:be:01:f9:6d
Serial Number (int): 396129385171516894220472731888326665173357
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 5e:7e:a7:0b:41:82:6e:4b:21:27:3f:6c:c6:98:d3:c9:fc:5d:cf:e4
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 0b:35:58:84:c4:53:3c:14:ca:fe:da:91:59:48:bd:8f:05:9f:68:d6
Fingerprint (sha256): 66:42:b0:32:75:4f:c5:b9:a2:5b:ae:b9:e2:cd:11:e6:ca:4d:57:51:18:c3:3d:ff:e7:2f:23:e5:2a:6d:d1:c7

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.prolan.org

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for mail.prolan.org

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.prolan.org

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mrtg.prolan.org
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mrtg.prolan.org
mail.prolan.org
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status.prolan.org
prolan.org
mail.prolan.org
prolan.org
prolan.org
ftp.prolan.org
status.prolan.org
prolan.org
prolan.org

Certificate

The complete raw certificate details for mail.prolan.org in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIGATCCBOmgAwIBAgISBIweoHmwuw5b+Wr+TQS+AfltMA0GCSqGSIb3DQEBCwUA
MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD
ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xNzA4MDQwNDAwMDBaFw0x
NzExMDIwNDAwMDBaMBoxGDAWBgNVBAMTD21haWwucHJvbGFuLm9yZzCCAiIwDQYJ
KoZIhvcNAQEBBQADggIPADCCAgoCggIBAJ59W6GK3Lyds1H5PcyuiniK9eCX0oGq
R1GBHcbmiwYFNLNvgHJnZcAdEVBrsP23i0hHke81wv+am/I1tKMTSKJDMob28yxI
O2gy6vxP4PwJqUnf90xOmME6S21LuA4Nu4j3eeY1YphRqHaEUPT/XuP/vGGR6tr+
nsvGk3+YMn+KGwFhDFKLIxZggomap7SEkiSRn0CEzf8lssx/pcTXGsRuklASihcs
91dza0q88E+zIIe8HXSq+l7IyP7wXCkcY27038hPv0XjXvktPKzMKmFaJPUZcNZ3
j5DbNS3pFKfwZy5mQc8Ic1gJrc5aYZi/DX4+BuU+8SbkhgG9u1hjgI1tm+gZmOVV
NfQLcAo2oYx87p59NLf7qT/R/2IrL1eDF+T9aBUkvra4EBJxi4HL8GkR7UPvUufP
Rkl5U+t1vO4of6hrmiG4u5T7tTfOT5ANUi0LUpFZrdIHRyPnZhQyE01OGgluQ4dX
K7kA90iWdpIvet95GHT/gXY9pCTw15iHax4+/B/eyPtu7ohyUJB5ebTra8JtXypf
gMo6nm4yElY+b5Vg0I+y5coA0o2OnPnKCVJ9LeZzT8XtJxEI1mR9O4CF/NJ2I1jQ
l064cNVr5BDR9AAE1tCiiMYRwkor22SAPLUGW07gud9L1qlu7WgrRhYUIDjrAOuB
0C8Ls2lDq0VtAgMBAAGjggIPMIICCzAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYw
FAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFF5+
pwtBgm5LISc/bMaY08n8Xc/kMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/z
qOyhMG8GCCsGAQUFBwEBBGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50
LXgzLmxldHNlbmNyeXB0Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50
LXgzLmxldHNlbmNyeXB0Lm9yZy8wGgYDVR0RBBMwEYIPbWFpbC5wcm9sYW4ub3Jn
MIH+BgNVHSAEgfYwgfMwCAYGZ4EMAQIBMIHmBgsrBgEEAYLfEwEBATCB1jAmBggr
BgEFBQcCARYaaHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwgasGCCsGAQUFBwIC
MIGeDIGbVGhpcyBDZXJ0aWZpY2F0ZSBtYXkgb25seSBiZSByZWxpZWQgdXBvbiBi
eSBSZWx5aW5nIFBhcnRpZXMgYW5kIG9ubHkgaW4gYWNjb3JkYW5jZSB3aXRoIHRo
ZSBDZXJ0aWZpY2F0ZSBQb2xpY3kgZm91bmQgYXQgaHR0cHM6Ly9sZXRzZW5jcnlw
dC5vcmcvcmVwb3NpdG9yeS8wDQYJKoZIhvcNAQELBQADggEBAIYZhikJ5WuSKI1T
jyNOt8IfKr7Ty3xxnnkBejI3+92340c20h0CTtPDjfsg6PUd7UGOD6i9Hq1NRZ+o
D69zKbhdmfI+2p62xqFsK417js6GJKkP4h6d4xaai1h/IY+My/4UwoH4dtYl/1dy
pxBZ+iWEW4WJE7U/qlxsFJ9Xk1svN2n8C+AbNsANvEmLBRFokl9BAcziTZBBY7As
o27W0wl1Qz1jg8t+crBBcM8h+Cn4Xrlw8lcrvddGCGMwbPEJ4nv6/zkwe+jKpKeM
fskzRz5rcxkl1ikJFGUyy2mxEFpjJxV4WjjJeEKVMhImCey+6ct+VHepfGleL8E6
eiPNJ3E=
-----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 396129385171516894220472731888326665173357
 . . . . . . . . [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 2017-08-04 04:00:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-11-02 04:00:00 +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.prolan.org'
 . . . . . . . . [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 646581480522825826474183152649420329385989069224348826912238577536863771477383740602678876592796135102686871327349239450932367396276008251113678549591235134840208560791918249800128946079219605581456399266543968095093638139842148157999539038850856628035603171018093884341689429517197234829450261238372111377520659484185154796048196341040352525975227917472316520683991198157117042261017679434661290742495034354186287460774573660915285374895988160206527861972076225084140255890783667131296144493778945174255120563689937526738729593214527555260940450373543913311437838185723805440423068300446016704437315927692326375104408136928669837901735507709390192246402852939320452644183965978022483577927582213681484593024795856389774508012808809573062635870198730158777277201746237248219141293804397314529547543725816689162590495127646233040183398350352885584399967526102429602363291218105288975096449422068019811830391455546685788148464530916332567136112803871825324593828138034198841788421257487808346766523587100700064208234526097710031320479717063739709676359800899831704593083848843936438916486107682459915301535256549882347894876320726188494521172006051312614791644803134667497173439911404814334720284187503346062249790455467179928529356141
 . . . . . . . . . . . . . . . . . . . . [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)
							5e7ea70b41826e4b21273f6cc698d3c9fc5dcfe4
 . . . . . . . . . . . . . . . . [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 (19 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.prolan.org'
 . . . . . . . . . . . . . . . . [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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