mail.eser.com

- ESER TAAHHUT VE SANAYI A.S -

Issued by EBG Web Sunucu Sertifika Hizmet Sağlayıcısı

About this certificate

This digital certificate with serial number 7f:8d:c2:e1:ce:ea:3b:60 was issued on by EBG Bilişim Teknolojileri ve Hizmetleri A.Ş..

With 3 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:
  • KeyUsage [DataEncipherment DigitalSignature KeyAgreement KeyEncipherment] (00011101) inconsistent with multiple purpose ExtKeyUsage [clientAuth serverAuth] The certificate MUST only be used for a purpose consistent with both key usage extension and extended key usage extension. (RFC 5280, Section 4.2.1.12.)
  • Subscriber certificate with an RSA key contains invalid key usage(s): KeyUsageKeyAgreement Key usage values digitalSignature, nonRepudiation, keyEncipherment, and dataEncipherment may only be present in an end entity certificate with an RSA key (RFC 3279: 2.3.1)

ESER TAAHHUT VE SANAYI A.S

Organization: ESER TAAHHUT VE SANAYI A.S
Organization unit: ESER
Locality: Ankara
Country: TR

EBG Bilişim Teknolojileri ve Hizmetleri A.Ş.

Organization: EBG Bilişim Teknolojileri ve Hizmetleri A.Ş.
Country: TR

This certificate has expire since

Certificate Details

Serial Number (hex): 7f:8d:c2:e1:ce:ea:3b:60
Serial Number (int): 9191216689627937632
Serial Number lenght: 63 bits, 8 octets

SubjectKeyId: 25:c0:f3:52:fb:c0:70:06:84:c6:11:4a:8f:ec:5d:95:b3:b5:f6:79
AuthorityKeyId: d1:84:f0:9c:e1:f8:ac:40:88:f6:08:74:b3:dd:62:85:1b:59:ba:89

Fingerprint (sha1): f1:ab:c2:cf:bb:a2:05:0d:4b:91:e2:9f:c2:4b:4f:43:e9:35:6f:b2
Fingerprint (sha256): 22:01:ef:e9:27:da:36:7c:80:3c:54:90:b5:80:f1:04:97:02:aa:ec:18:6f:ee:bd:4b:b2:2e:de:ef:6d:ca:54


Revocation information

OCSP Server: http://ocsp.e-tugra.com/status/ocsp
CRL Distribution Point: http://crl.e-tugra.com/e-tugra_asm_ssl.crl
CRL Distribution Point: http://crl1.e-tugra.com/e-tugra_asm_ssl.crl

Check the revocation status for certificate mail.eser.com

3

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for mail.eser.com

Public Key Algorithm

RSA

Key Size

2048

Signature Algorithm

SHA1 with RSA

Key Usage

Digital Signature
Key Encipherment
Data Encipherment
Key Agreement

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.eser.com
eserexc.eser.local
mail.espm.com.tr

Other certificates including the domain name eser.com

(limited to 100 certificates)
eser.com
1234177729.rsc.cdn77.org
eser.com
eser.com
mail.eser.com
mail.eser.com
www.eser.com
*.eser.com
mail.eser.com
eser.com
eser.com
www.eser.com
eser.com
eser.com
eser.com
eser.com
mail.eser.com
*.eser.com
mail.eser.com
mail.eser.com
eser.com
eser.com
eser.com
*.eser.com
*.eser.com
*.eser.com
eser.com
mail.eser.com
mail.eser.com
*.eser.com

Certificate

The complete raw certificate details for mail.eser.com in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIE3jCCA8agAwIBAgIIf43C4c7qO2AwDQYJKoZIhvcNAQEFBQAwgYAxODA2BgNV
BAMML0VCRyBXZWIgU3VudWN1IFNlcnRpZmlrYSBIaXptZXQgU2HEn2xhecSxY8Sx
c8SxMTcwNQYDVQQKDC5FQkcgQmlsacWfaW0gVGVrbm9sb2ppbGVyaSB2ZSBIaXpt
ZXRsZXJpIEEuxZ4uMQswCQYDVQQGEwJUUjAeFw0xMDA0MzAxMDA5MDdaFw0xMzA0
MjkxMDE5MDdaMGoxFjAUBgNVBAMMDW1haWwuZXNlci5jb20xDTALBgNVBAsMBEVT
RVIxIzAhBgNVBAoMGkVTRVIgVEFBSEhVVCBWRSBTQU5BWUkgQS5TMQ8wDQYDVQQH
DAZBbmthcmExCzAJBgNVBAYTAlRSMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIB
CgKCAQEAtiklAEYzu8zcSrutfq9AEQn4vMa+/iwMYMM101OuPwurkXpzIhj2/iGO
D3VKUOs7SeilY9ZbZp4yvyyKSK1Mo5AhmLa3dQCP/eu+8Ysq+zbO4R7HltrsHrwd
K6YrzGy1elV7T2AH2gtSPRbEcx1it15jpSriDiGcLOoWGPA2oEBIZzeP+aff08BR
VuwC1V4TO2xoZqv+hj7R3wd0Cg6TC1X6C7yA24Qi82j6q/rg58hxU8OPkHA1JXZ7
B9y8i1czeQyqdFtZTzxqLUeqDE8gTs3OiiAfhDpubzkLkKQacjF3xVh+6HWFPhxD
HJz9gulc6Lx0YCn4kGmR9MKU5tpPPQIDAQABo4IBbzCCAWswCQYDVR0TBAIwADAO
BgNVHQ8BAf8EBAMCA7gwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMB0G
A1UdDgQWBBQlwPNS+8BwBoTGEUqP7F2Vs7X2eTAfBgNVHSMEGDAWgBTRhPCc4fis
QIj2CHSz3WKFG1m6iTA+BgNVHREENzA1gg1tYWlsLmVzZXIuY29tghJlc2VyZXhj
LmVzZXIubG9jYWyCEG1haWwuZXNwbS5jb20udHIwbgYDVR0fBGcwZTAwoC6gLIYq
aHR0cDovL2NybC5lLXR1Z3JhLmNvbS9lLXR1Z3JhX2FzbV9zc2wuY3JsMDGgL6At
hitodHRwOi8vY3JsMS5lLXR1Z3JhLmNvbS9lLXR1Z3JhX2FzbV9zc2wuY3JsMD8G
CCsGAQUFBwEBBDMwMTAvBggrBgEFBQcwAYYjaHR0cDovL29jc3AuZS10dWdyYS5j
b20vc3RhdHVzL29jc3AwDQYJKoZIhvcNAQEFBQADggEBACicjuvgI1Y+hvGPkHym
hFHWd319rVMiDaeUigOpJ5ZP6IVSOH4ka+VFmku3Jiy0myrmQaioeyHWSgQ87PDV
mwlZtuGkB7xCRl68su0MKFJTWDNr7YIuB9bcTdBb+uQA2FnDzZEAP56fnuRlin+4
CDi5/QxY8EwumlR4oVo2W8OhftBXvXg6YMp9VKLtodjNUQ9F0FK3nUbZXotHymnz
1+yK3l5+50J1T8X/1neYkd8+sGKyu94WYZARtsnA0gmrKOTbGCC3UHBwZ/4SpAgp
/AlTWiw2M7+Qi3zSPO0lklVd8p9Cl+i1DLn0RIt8meTffbfm/eQWojnUb8r9rOAs
nUM=
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtiklAEYzu8zcSrutfq9A
EQn4vMa+/iwMYMM101OuPwurkXpzIhj2/iGOD3VKUOs7SeilY9ZbZp4yvyyKSK1M
o5AhmLa3dQCP/eu+8Ysq+zbO4R7HltrsHrwdK6YrzGy1elV7T2AH2gtSPRbEcx1i
t15jpSriDiGcLOoWGPA2oEBIZzeP+aff08BRVuwC1V4TO2xoZqv+hj7R3wd0Cg6T
C1X6C7yA24Qi82j6q/rg58hxU8OPkHA1JXZ7B9y8i1czeQyqdFtZTzxqLUeqDE8g
Ts3OiiAfhDpubzkLkKQacjF3xVh+6HWFPhxDHJz9gulc6Lx0YCn4kGmR9MKU5tpP
PQIDAQAB
-----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 9191216689627937632
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.5 (sha1WithRSAEncryption)
 . . . . . . . . . . . . [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 2.5.4.3 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'EBG Web Sunucu Sertifika Hizmet Sağlayıcısı'
 . . . . . . . . . . . . [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:12|false] UTF8String 'EBG Bilişim Teknolojileri ve Hizmetleri A.Ş.'
 . . . . . . . . . . . . [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 'TR'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2010-04-30 10:09:07 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2013-04-29 10:19:07 +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:12|false] UTF8String 'mail.eser.com'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.11 (organizationalUnitName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'ESER'
 . . . . . . . . . . . . [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:12|false] UTF8String 'ESER TAAHHUT VE SANAYI A.S'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.7 (localityName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'Ankara'
 . . . . . . . . . . . . [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 'TR'
 . . . . . . . . [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 22995660630431461609293613168283642030070799377974123856507505006259724896837767364682518390173443694933538304005383382958674500954688645557186146575479704640433968173226970775180522392487518032494035892364971110018346507958817910099889382282510322229035036895310827048899017792754613554174390231646177727172745214726495020912911334670382787213754028791036351913305293628128388541681717064998550097398207294947664917883439341828731383367954448807510226130868759392325394070230421790734810705358764133056302169519812395547262937124728698320885490777660162325437933431876628382949582730265075287486565351405359822688061
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.19 (basicConstraints)
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.15 (keyUsage)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (4 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (5 bits)
							03b8
 . . . . . . . . . . . . . . . . [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 2.5.29.14 (subjectKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							25c0f352fbc0700684c6114a8fec5d95b3b5f679
 . . . . . . . . . . . . . . . . [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 d184f09ce1f8ac4088f60874b3dd62851b59ba89
 . . . . . . . . . . . . . . . . [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 (55 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.eser.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'eserexc.eser.local'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.espm.com.tr'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.31 (cRLDistributionPoints)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (103 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://crl.e-tugra.com/e-tugra_asm_ssl.crl'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://crl1.e-tugra.com/e-tugra_asm_ssl.crl'
 . . . . . . . . . . . . . . . . [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 (51 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.e-tugra.com/status/ocsp'
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.5 (sha1WithRSAEncryption)
 . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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