tufanergenc.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:b5:4a:75:9a:59:14:62:ac:73:e4:0a:ee:ed:54:3b:d7:25 was issued on by Let's Encrypt.

With 9 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=tufanergenc.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:b5:4a:75:9a:59:14:62:ac:73:e4:0a:ee:ed:54:3b:d7:25
Serial Number (int): 323026939708939828591608285542964101109541
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 8c:26:49:e6:7b:93:9e:9e:30:fb:84:e3:aa:a9:d9:57:0f:be:91:4c
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 0d:71:11:55:01:32:8a:d7:88:73:4c:39:16:bd:3b:da:9c:29:80:c7
Fingerprint (sha256): 5a:94:14:09:bd:02:59:94:36:4b:84:a8:f1:94:fd:5e:71:65:e8:0f:43:fa:4b:32:d5:d2:cd:b2:bc:3c:48:a0

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 tufanergenc.de

9

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for tufanergenc.de

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

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

autodiscover.tufanergenc.de
cpanel.tufanergenc.de
mail.tufanergenc.de
tufanergenc.de
tufanergencde.liderlikokulu.com.tr
webdisk.tufanergenc.de
webmail.tufanergenc.de
www.tufanergenc.de
www.tufanergencde.liderlikokulu.com.tr

Other certificates including the domain name tufanergenc.de

(limited to 100 certificates)

Certificate

The complete raw certificate details for tufanergenc.de in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0SkJCdOgF0IBV5wSYJf7
iDTNqKCGWbVfeqSDGQBxRTCRKq02cMyImGQi9hCy28SlVdss3wv/vY2rjl+6dAql
4X1XvwohhbKMXemmb0r3BghpYfGTgJZSDDlAZ7XTddTtCRgSM3WpOeYpQi9dQnLt
hrRlWfZivqU+EmbpWrzG3DwZGKNjqYlSSkIKvTOvK0N4iurel59kFJ5YloCS1kwi
6A5aipbjYvoCpg8tpdyW6zTqzaSszVdW+agXH+OShyf81iBt3g/nT0bQ8bYyD9qr
WnItyL8rMFIQYAVRMbPzhmLEfyXqB1SW8bwzBUoEWTIJYb624TEtL0WrIK8BiLbs
IQIDAQAB
-----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 323026939708939828591608285542964101109541
 . . . . . . . . [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 2019-06-11 19:45:01 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-09-09 19:45:01 +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 'tufanergenc.de'
 . . . . . . . . [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 26404041001568603348568430981387315506218858293046226744806475904098514544102566194629843640308734598207809571084059185181848572340093147226825527422947389737637342132366271056916737367331830177633549960674586268528062842158176443878431458686642545890583825948857570211754650333360774726448529199055532057675785017670448737902529304751752265445300758020601579052811130679945401642589925797073182379034849087668312445788325962040748102133885866833366752083616269769510792634760259257638088162584083359390522915854757288144755844111498272835475223301629856287319747810673857550693855086546246905732895464291484395039777
 . . . . . . . . . . . . . . . . . . . . [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)
							8c2649e67b939e9e30fb84e3aaa9d9570fbe914c
 . . . . . . . . . . . . . . . . [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 (236 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'autodiscover.tufanergenc.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cpanel.tufanergenc.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.tufanergenc.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'tufanergenc.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'tufanergencde.liderlikokulu.com.tr'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webdisk.tufanergenc.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webmail.tufanergenc.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.tufanergenc.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.tufanergencde.liderlikokulu.com.tr'
 . . . . . . . . . . . . . . . . [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 (69 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007700747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016b484971080000040300483046022100f48176240b69e188de0744b29fe7135c0263dee858102103707e7349c02b91d9022100e3fcda7596eba765fcf1a400fcd532a0f68ade9beb5739ed1f37e04ec78701d6007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016b484970fb0000040300473045022100beb6c7a32efe1e51d0cbb502325bd512c3f5b7ce2f7578a52301d519058ccbbd02203e692bed8cd99d802194a55abee0ef066d1d61dce1842e3ec75afa1e41edccfa
 . . . . [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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