klopotek.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:97:82:7a:90:fa:08:eb:40:a7:1f:f3:3d:8a:bb:ea:c3:20 was issued on by Let's Encrypt.

With 2 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=klopotek.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:97:82:7a:90:fa:08:eb:40:a7:1f:f3:3d:8a:bb:ea:c3:20
Serial Number (int): 312892931240488012072656608928846995702560
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 12:6a:e5:d0:80:56:05:b6:f6:f4:26:e8:62:43:6c:31:4b:f7:cd:68
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): bc:1b:fa:cd:da:01:b1:d1:a2:3a:1f:fa:aa:c2:88:fc:18:65:0e:9c
Fingerprint (sha256): ee:1d:32:45:a8:ea:74:7c:56:81:83:6d:35:f4:b0:05:34:15:38:34:5b:8e:fd:57:a3:bd:1e:58:46:7a:72:c9

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 klopotek.de

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for klopotek.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

klopotek.de
www.klopotek.de

Other certificates including the domain name klopotek.de

(limited to 100 certificates)
*.klopotek.de
klopotek.de
webmail.klopotek.de
*.klopotek.de
klopotek.de
klopotek.de
klopotek.de
klopotek.de
klopotek.de
klopotek.de
klopotek.de
webmail.klopotek.de
klopotek.de
www.klopotek.com
klopotek.de
klopotek.de
*.klopotek.de
www.klopotek.de
klopotek.de
klopotek.de
*.klopotek.de
saas.klopotek.de
asp-unesco.klopotek.de
sip.klopotek.com
saas.klopotek.de
klopotek.de
autodiscover.klopotek.com
klopotek.de
mail.klopotek.com
klopotek.com
*.klopotek.de
klopotek.de
*.stream.klopotek.com
asp-unesco.klopotek.de
klopotek.de
*.klopotek.de
klopotek.de
klopotek.de
klopotek.de
*.klopotek.de
*.klopotek.de
klopotek.de
klopotek.de

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA8uwEn93Q3dklPQEFXciW
60Jh1obfnG2s1l7pN7Z7O8LxsMk67XnhPTaR0WRaTeuccKFukJPLOB1FAoXe9TCd
2+i+G73dzCoEReDA73gb/0G2jC0iFjTOWxgk+TORa2HiRm5b7w7OgvQyL/l8Isxm
6e+zKa8J4Mj7zsVbQ7AblqXm3BIPFg7DbFVZnQNS8RgVc0oQ8NM7g6FaM+m1jSwy
6KnX3bvxM8zIEMZmhDATUXkXwsb7MS76+eobDrEafPjt4CkHfYbdlmDrENfi6lMX
X22gtVvQFdbraacVsVQUU4jigC9vsIR8rfgl2avOLSQXgrDnT3PLh86B57Cp0n+z
7QIDAQAB
-----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 312892931240488012072656608928846995702560
 . . . . . . . . [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 2019-04-25 23:20:34 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-07-24 23:20:34 +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 'klopotek.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 30666054647048987659681509608887623159394378230945633088724698718607122055206149736491210657793243518031844763378846396239075431727481633780804794977246411795585406579622324121263865622284258854065466722613953670303856511207184333532601324675077389605169528332436096045004536671924408944729836988779570117504489751858664200897562279178448397132311173168488401172317574109838648450339034023234726626235235084127731317969428759844757787784202183848727530343792764490239208430327959666401672688545940661653014826551535199186171620233556717733094137827453503745890946317430577499982012291591292578715066016392404107506669
 . . . . . . . . . . . . . . . . . . . . [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)
							126ae5d0805605b6f6f426e862436c314bf7cd68
 . . . . . . . . . . . . . . . . [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 (32 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'klopotek.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.klopotek.de'
 . . . . . . . . . . . . . . . . [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)
							00f1007700747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016a5703e5dd0000040300483046022100c5111838acec2b807caba6039d17b6bc1c5ed7e88a0d34b41045d72592a7e1720221008b2d7f6afe6d442c64e572bd06c96b876516e7283e23be1592ec04fef2b5d205007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016a5703e5ff000004030047304502210082b845e7a57384fe561e4c869c2f3be71e5594a43917ce5d6fc116ce7940753f022004a75860f95ec17c5f32ad4fcf8003f20e48ab3e7fcbedbfd425a69255597731
 . . . . [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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