mail.eser.com

Issued by E-Tugra TLS RSA SubCA R1

About this certificate

This digital certificate with serial number 72:76:4d:62:55:84:59:33:1f:31:15:94:e9:d4:34:77 was issued on by E-TUGRA EBG BILISIM TEKNOLOJILERI VE HIZMETLERI ANONIM SIRKETI.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com. 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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Certificate Subject

CN=mail.eser.com

E-TUGRA EBG BILISIM TEKNOLOJILERI VE HIZMETLERI ANONIM SIRKETI

Organization: E-TUGRA EBG BILISIM TEKNOLOJILERI VE HIZMETLERI ANONIM SIRKETI
Country: TR

This certificate will expire on

Certificate Details

Serial Number (hex): 72:76:4d:62:55:84:59:33:1f:31:15:94:e9:d4:34:77
Serial Number (int): 152146252085153152024380318013099095159
Serial Number lenght: 127 bits, 16 octets

SubjectKeyId: ca:3b:1c:7a:ea:fa:e1:bb:2e:b5:4d:78:dd:64:be:19:db:ae:35:38
AuthorityKeyId: 00:38:1c:b3:17:e9:9a:e1:87:fb:bd:7c:64:6b:9b:6b:35:ac:12:99

Fingerprint (sha1): d2:83:55:11:60:7a:84:c7:0e:6a:91:c2:9d:37:fe:69:f0:3e:52:ff
Fingerprint (sha256): e8:a6:d8:d2:17:15:06:52:28:bc:80:50:b2:a2:29:9b:ca:df:74:0b:10:c8:3a:83:a1:a5:cc:97:b2:58:f8:13

Issuing Certificate URL: http://cert.ssl.com/ETugra-TLS-I-RSA-R1.cer

Revocation information

OCSP Server: http://ocsps.ssl.com
CRL Distribution Point: http://crls.ssl.com/ETugra-TLS-I-RSA-R1.crl

Check the revocation status for certificate mail.eser.com

2

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

SHA256 with RSA

Key Usage

Digital Signature
Key Encipherment

Extended Key Usages

Client Authentication
Server Authentication

Extensions

10 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

mail.eser.com
www.mail.eser.com

Other certificates including the domain name eser.com

(limited to 100 certificates)

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAu7u7OXN8oMR7uHHBgw/L
TmFu09FknFzmi1uMSPMptZ4uyaq+dLUQgQY6SGzQXHJ1NI+kbvZsY4sjY7L9rOX6
D3rwY0VMw7bf/ph6E9Az8uDy5EYKaBlbO9hl7z9RkOcF54pBkIrZEO/6F3PZdqIG
0h+iYo9sDLjTwW/bHOqfFd2wSmQVIqST/jVBtx9MXRrosezwRm6zPTDy3LsReaL9
8hd3sZcbFd1Z77PIGyiYUJzYqqLdF+2zhKFISZxVCeBItOXN7S5YJFg8lHe9Jgpi
bNhIkPbLK86XcMpklHWy2CrgICMw2iXfGeVpBCaWPutekWWa6IPLPU5g3ZEMM+0n
lwIDAQAB
-----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 152146252085153152024380318013099095159
 . . . . . . . . [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 'TR'
 . . . . . . . . . . . . [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 'E-TUGRA EBG BILISIM TEKNOLOJILERI VE HIZMETLERI ANONIM SIRKETI'
 . . . . . . . . . . . . [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 'E-Tugra TLS RSA SubCA R1'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-18 15:14:23 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-04-18 15:14:23 +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: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 23699136805333980014336614602789737693251331923572223238075169253164285371364054598993669512795303837794161962973264835069663972875190994007757225528688174367049494830585413428604779825490318032466502362990673356327994608805570407925647461715820573514362828388621384159840771527266347114195316749677234866883319336042143632523295008194877623075175621849017691828328220582098823484192479810068758371615805464708470660962775918911889296945515602393244193134629208246444789186060515801213127111384835675409814816637844056419778115578419085994446343714846173343689269809373490844211736561063240697467036480227847994943383
 . . . . . . . . . . . . . . . . . . . . [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: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 2.5.29.35 (authorityKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName 00381cb317e99ae187fbbd7c646b9b6b35ac1299
 . . . . . . . . . . . . . . . . [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 (93 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2 (caIssuers)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://cert.ssl.com/ETugra-TLS-I-RSA-R1.cer'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://ocsps.ssl.com'
 . . . . . . . . . . . . . . . . [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 (36 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.eser.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.mail.eser.com'
 . . . . . . . . . . . . . . . . [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 (28 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 1.3.6.1.4.1.38064.1.3.1.1
 . . . . . . . . . . . . . . . . [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 1.3.6.1.5.5.7.3.2 (clientAuth)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.1 (serverAuth)
 . . . . . . . . . . . . . . . . [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 (53 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://crls.ssl.com/ETugra-TLS-I-RSA-R1.crl'
 . . . . . . . . . . . . . . . . [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)
							ca3b1c7aeafae1bb2eb54d78dd64be19dbae3538
 . . . . . . . . . . . . . . . . [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 1.3.6.1.4.1.11129.2.4.3 (CT Precertificate Poison)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [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 (4096 bits)
		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