friedrich-sailer.de

Issued by R3

About this certificate

This digital certificate with serial number 04:fc:ff:9c:7f:de:36:f2:fc:40:e4:c7:80:53:af:f0:95:26 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:
  • 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=friedrich-sailer.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:fc:ff:9c:7f:de:36:f2:fc:40:e4:c7:80:53:af:f0:95:26
Serial Number (int): 434540065921824242043707477391700111955238
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: ab:49:b1:f1:c2:15:6a:50:a2:a3:8d:5b:d6:96:be:84:a3:e5:c9:c2
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): b4:2c:61:ef:bd:74:5f:ea:71:1c:61:41:63:f7:5e:78:26:9d:9e:82
Fingerprint (sha256): dd:be:c6:da:31:74:a6:d9:0f:d4:b9:cb:ef:00:1c:25:f4:39:5d:e2:19:ae:00:40:cc:f8:a6:8e:cc:ac:e9:48

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

Revocation information

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

Check the revocation status for certificate friedrich-sailer.de

9

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for friedrich-sailer.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

api.friedrich-sailer.de
backend.friedrich-sailer.de
cron.friedrich-sailer.de
friedrich-sailer.de
fsailer2.api.itool4.net
fsailer2.b01.itool4.net
fsailer2.cron.itool4.net
fsailer2.f01.itool4.net
www.friedrich-sailer.de

Other certificates including the domain name friedrich-sailer.de

(limited to 100 certificates)
friedrich-sailer.de
friedrich-sailer.de
friedrich-sailer.de
friedrich-sailer.de
friedrich-sailer.de
friedrich-sailer.de
friedrich-sailer.de
friedrich-sailer.de
friedrich-sailer.de
friedrich-sailer.de
friedrich-sailer.de
friedrich-sailer.de
friedrich-sailer.de
friedrich-sailer.de
friedrich-sailer.de
friedrich-sailer.de
friedrich-sailer.de
friedrich-sailer.de
friedrich-sailer.de
friedrich-sailer.de
friedrich-sailer.de

Certificate

The complete raw certificate details for friedrich-sailer.de in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA+Vh3G/swCRlSTpWKcNYs
sxl7UYM2VmWCIxapiqWZisGeRTH9zI41JBSuB8NiZ32LQKb1nr1uRRizrtgN0OyD
vuanfPHaAu1h5LAHQAwVgbjtjJeKs+C8roJGCEHsmOiEmcc26n0FMBLMaSxU8PW0
AzNlgWZpTl4Q5HJjuzOy6g0iWMfGK444jXClPRiaTqrPB0xnOq5ekdsSJvnZQGKq
jrUhnK3lnxJ5yjQ3OrO6sFmxZ/n9d2mIbsI77Hd1MRSU5FcvESBVUHZIs5YVhz5X
c1UyC20kO4j4hQTP4EZINhDEBd7knbPufjwlMvm/FgfLuZEP9fflE4c5TWNyHGDY
lQIDAQAB
-----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 434540065921824242043707477391700111955238
 . . . . . . . . [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 2023-12-17 01:16:30 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-16 01:16:29 +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 'friedrich-sailer.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 31476961787418518134256769093734053018170576515500062121690805570678000995365222664612521449042705162038148299848060089195427950392100602298072142426738831370762226627040682702636626665097781482335748258110198258896809003371697483529946812239690338675092064854303353213380410252006044669988139027662665087925310257420711386132157623253272851335355457357728508817512729967411383148293091503429749569913607326687416730730809319028166639101490782805595029801277680318972758768414431639395049136063643628248376684619062628367434171335920207986125572579721954442244255946499570626464536706347889443477042095848795817433237
 . . . . . . . . . . . . . . . . . . . . [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)
							ab49b1f1c2156a50a2a38d5bd696be84a3e5c9c2
 . . . . . . . . . . . . . . . . [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 (230 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'api.friedrich-sailer.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'backend.friedrich-sailer.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cron.friedrich-sailer.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'friedrich-sailer.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'fsailer2.api.itool4.net'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'fsailer2.b01.itool4.net'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'fsailer2.cron.itool4.net'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'fsailer2.f01.itool4.net'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.friedrich-sailer.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)
							00ee00750048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018c758f8b5c000004030046304402204c174206d667b8f9b24b45d1b742fd79661319ec75e052d54366c63bde2d793e02204119d6845d86a802341e52eb852d2ee621e0254b1df5d782babf7654ede9fa36007500eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018c758f8b3a0000040300463044022074d287dbdfebf20092d838863e58edcfd0cf4d2383ac2013014cad14dc888803022010a62e6947d6be7f39227073e95059f3cc85969bc652939eaf96185fe3b7f49d
 . . . . [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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