kerstingernig.de

Issued by R3

About this certificate

This digital certificate with serial number 03:94:6c:45:ca:e2:92:4b:0b:3c:da:78:ea:6d:39:4f:da:7a 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=kerstingernig.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:94:6c:45:ca:e2:92:4b:0b:3c:da:78:ea:6d:39:4f:da:7a
Serial Number (int): 311842567106605222549631252131205266528890
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: e5:06:c9:6f:a9:06:0b:8c:c0:7f:f0:2b:23:47:c1:83:a7:5f:b9:42
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 6a:78:11:91:e4:3b:83:8d:52:f1:aa:03:24:14:2e:db:5b:50:d4:2e
Fingerprint (sha256): 33:c6:01:56:b2:0c:f4:cd:7b:60:04:ad:c5:12:e9:82:ac:58:9d:64:3a:ad:e0:41:26:ed:e4:c3:3a:5d:f0:fa

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate kerstingernig.de

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for kerstingernig.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

kerstingernig.de
www.kerstingernig.de

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Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyBnKHIljcDwPvUuaPJcM
0A7b+6yzAyDbMYaLZJTJhIikDX/6yitN5MpZGpWqK+JfP16b0V3dMIIzXsfb5xM0
MW5xTGohFFtTPYBz0rDCKOe0SzsiCak7Gh3vOyCoBjPGd4E3oMpRGdILATDQD1Mj
ibH5jMjL1vzs7KO9ljJ3s9x0DZdpG7h8Nx9WzeIYQUKJr5pqczP1M69rGpHDDj3j
Od+xAhgvnoIWhx9jd3pLL+3JneDaBtQXuszP2foKJhg7TwBWM3oXWb/J7pVkRytC
dhYi7I2cJO8SZ9QNwx1uPkhvCS7dwwUK9YaBaNOF4A357dEV8Xo+3lBw4uwKHXdS
vwIDAQAB
-----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 311842567106605222549631252131205266528890
 . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-08-31 05:39:08 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-11-29 05:39:07 +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:19|false] PrintableString 'kerstingernig.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 25260378268622859103902855728556008723537756617087479958955935178045771038939577671767816618071671592699814754712520863289679604729162768607883957800479267544029227374840462116316125172787823618951263213858104878064210629938684640286638229872223952133981801414279450373462930181919146979969911771125805278835700298367825143494631522533822231746720134029444655230920812972013870049904659692692246361237026139671664183116378562847546969171649268151014806939124395483603796815471203334654997211262929508295833251822954125221814681079135456119017474646818880856599652846041135825840233087052124617779603584836823210742463
 . . . . . . . . . . . . . . . . . . . . [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)
							e506c96fa9060b8cc07ff02b2347c183a75fb942
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.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://r3.i.lencr.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 (42 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'kerstingernig.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.kerstingernig.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 (12 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee0075007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb520000018a4a512eff00000403004630440220575b8a5ba76637cb53a1270a0371ad113730d3299671fda38bbb8ce94c35fa7502207297b1d838af2f158159c8d059c2a99c54ef9a1a7b1d980cb471672710eb6b3d007500e83ed0da3ef5063532e75728bc896bc903d3cbd1116beceb69e1777d6d06bd6e0000018a4a512ef7000004030046304402201025a93f159146c2f95768fdd3aa14f1c612d239120e2a1ac912b3591e1f92b702207712b34fea17189da7a4007a275ea4516d5c4d4fbaada123cf1a23f706e3393e
 . . . . [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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