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 38:10:09:af:ff:f5:48:67 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: IT
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): 38:10:09:af:ff:f5:48:67
Serial Number (int): 4039739517269526631
Serial Number lenght: 62 bits, 8 octets

SubjectKeyId: 05:89:64:b9:d4:ee:02:a8:c7:dd:87:5c:f3:7d:ef:7b:66:48:93:b4
AuthorityKeyId: d1:84:f0:9c:e1:f8:ac:40:88:f6:08:74:b3:dd:62:85:1b:59:ba:89

Fingerprint (sha1): ae:e7:4e:98:99:7c:10:56:27:ae:c3:87:ff:4b:e3:a5:6a:26:47:72
Fingerprint (sha256): 80:f3:66:ee:81:fa:79:c7:5e:25:f3:29:e5:3a:b3:63:ec:9a:c0:82:bc:ba:03:31:08:c6:ad:42:41:69:ec:15


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
*.eser.com

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtP6Ff9wxR/UIQqRvqXFd
IfJRCk0oAiej+Qc4dDtxV9ut0xNWzmeS/CawHprU3NeDBQjRn+qUCltHRezG8O6H
8LkZdKaUpBpcvmHg1os/Oo/P+wjuyNHEVIItRoA2qF2DxM4V3eEBd9P9v7k/Bfs+
I96kHmjz8+46aiF5tiDJ3tGdbfMJZlu1PHLgVVdnlCrq5iXaO/YGXHA3y4nHwpTc
aycjPWANVvSZH8IyExPAZ1rZGXMLR+2hH9RJO838yqYNoDa8pJLQyIuA/Dq7mr2t
O+8PHuI5igmZuBj91lBgYxTw6otQdt3QbZqiZ7qXEv1SfBU/k0qnESw6zHupX9g8
5QIDAQAB
-----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 4039739517269526631
 . . . . . . . . [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 2010-04-27 13:22:29 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2011-04-27 13:32:29 +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 'IT'
 . . . . . . . . . . . . [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 22848404114576159959938208349111711330248653902396019668008705545591783979699012957484900223946595936127705761739785815297850564531451789990183467715510433122685559648550137442549211844069744203700824484525806239058275798714250052377537310521264594793212406139578943202102049465889194997797452413486389442994638245645996406343487695934310637956543484991463382804688808121721907052339634003268302678162329268363662108034786873572345206769737799407912598809078731314056355979944973404408426229551998685184583680870311898217019437117583878363864922949385379838309956091472281544395798285225035146067517958351726250048741
 . . . . . . . . . . . . . . . . . . . . [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)
							058964b9d4ee02a8c7dd875cf37def7b664893b4
 . . . . . . . . . . . . . . . . [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)
		0074179ab52acaf1e9976b6287a5c02b56a339c0772646cc63db82ff06e378c4fc07b7cda27f0ad921b352a62261d173d56733029ce4c9b7a186db8d4a1593d5b23f5c2652da39a0f80339b95ec5569ebf82bfa29248b89f54ca0e94f236ce7ae4a4a50de3253668f009e3ee8c799b506b516baf233d68529f40c154d8775bd9c39ac98f4a41362ff9ba44bdca3df52441f48b927bc01c8ce2aafea12daaea538a6c2a8f4c8162fc30b6a17848c33350dda3d1f926930de685c369ab84d245efb14364820908ad89ea348a4fb6a1206dc577773188d046dd822546dccb4468c6cc4693fb01ee61abeb3fbe16e9cdc5ea968af4ab9acb19865ba96f0d338f5a9c26