*.ritterhof.pl

Issued by R3

About this certificate

This digital certificate with serial number 03:03:93:b6:d5:bd:13:1a:4b:c9:e6:3f:23:00:90:51:ce:47 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:
  • 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=*.ritterhof.pl

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:03:93:b6:d5:bd:13:1a:4b:c9:e6:3f:23:00:90:51:ce:47
Serial Number (int): 262554050744585471600368622952771658829383
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 6d:24:db:d0:5e:8e:4a:e9:f7:7f:71:ac:33:4c:1f:82:59:54:14:ff
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 98:0a:69:a5:a7:38:85:bf:09:2a:02:14:0e:5b:c8:2c:43:0d:38:82
Fingerprint (sha256): f7:63:27:14:07:3b:c3:01:1d:94:5d:a3:c7:da:6b:c1:60:3e:2f:a5:de:42:1a:36:c6:23:fc:73:e6:1e:65:b3

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

Revocation information

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

Check the revocation status for certificate *.ritterhof.pl

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for *.ritterhof.pl

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

*.ritterhof.pl
ritterhof.pl

Other certificates including the domain name ritterhof.pl

(limited to 100 certificates)
ritterhof.pl
ritterhof.pl
ritterhof.pl
*.ritterhof.pl
ritterhof.pl
ritterhof.pl
ritterhof.pl
ritterhof.pl
ritterhof.pl
ritterhof.pl
ritterhof.pl
ritterhof.pl
sni.cloudflaressl.com
ritterhof.pl
sni.cloudflaressl.com
ritterhof.pl
*.ritterhof.pl
ritterhof.pl

Certificate

The complete raw certificate details for *.ritterhof.pl in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAs0v7RCvx7xDRQfElCFv7
2V6SNWuGe8KG3skpaVg1RickEYLohNMNmmBMfUuJbb5M/DYntqJnPz5aJyJaI0ME
8aq5ZjNhAm0kDqVqci3yPI9jKbeDSOs3ralpoXAm8JJu7eCQZqg2JDt77Go9EQ1n
wQljH6SMhIaXbThKpU77JkeiucBIio21LBE84RzWPkTmFOZmrotIweqYTSz06hys
0BmcqXzg0ncfOfLCgL1PMXZnX9bF2kszUkFdp8T1h1yu4zWXA45HQ4S7o0li01wN
OMYm+01rVSVkzVcQsyqinKXcdZWGzRpVYsfUj8WV+dVxCZMjU9TjPqmhqq4W5i2m
mwIDAQAB
-----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 262554050744585471600368622952771658829383
 . . . . . . . . [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 2023-10-16 17:34:33 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-14 17:34:32 +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 '*.ritterhof.pl'
 . . . . . . . . [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 22634124467443070123055777533794628640958132264444071859793853694090333236589468550923267255945876735351962501806188950495250234476495396078989563071836013203517614806972122987761637871772241411147801588192390190290364936193360104543484691496681136138616766164388153314571178653937734290203741275751945516692847759193704314821187441700158406785506813617720700856434730497864737749649799861191925278748068211452564177462199809128575119003338257558589556089633254724355808741691725573186249705062793543181756032851952941481064109541734145846873346292071463729899706208780167696544324680286908334244952154367952740525723
 . . . . . . . . . . . . . . . . . . . . [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)
							6d24dbd05e8e4ae9f77f71ac334c1f82595414ff
 . . . . . . . . . . . . . . . . [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 (32 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.ritterhof.pl'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ritterhof.pl'
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600dab6bf6b3fb5b6229f9bc2bb5c6be87091716cbb51848534bda43d3048d7fbab0000018b39c4b112000004030047304502203efc9f6ce241ed11dd2375609927ac3b0a564ce130190b2ba45386b0af4f924c022100d957d2cbee01c6d8facc5e1d0ea07509e5ff53fd5008e76ae3ec426a0112deaf0076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018b39c4b10d000004030047304502202db24b262f8c93aa2728dd5959a4fe027563da67b0c29704cea3b85eee8b3dd80221008a0f2110d55eab0b646cf054fa5dc7ee690a482f12e7c4ea4bb8ee16336fe625
 . . . . [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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