friedrich-sailer.de

Issued by R3

About this certificate

This digital certificate with serial number 04:59:68:7d:4d:4b:04:b1:f8:90:b7:4d:e8:03:b9:83:9a:cb 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): 04:59:68:7d:4d:4b:04:b1:f8:90:b7:4d:e8:03:b9:83:9a:cb
Serial Number (int): 378873164699362562702445732817632326032075
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: fb:0b:86:a5:ec:e8:aa:b3:72:c5:59:18:19:91:48:6b:7e:73:af:f3
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 24:8d:24:16:e8:2c:e9:a8:ac:89:0b:e5:5a:9f:a7:82:51:49:53:89
Fingerprint (sha256): 00:f6:55:37:d2:e9:31:a3:73:68:46:8b:82:c2:fd:9d:b3:1d:83:88:1c:59:6b:cc:6a:7c:71:ac:25:ee:13:c4

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuOofPa6iG29jmN1NtM0w
aN09cDDp5DowsWAf+LcuOa6dCipJzJyW8RuGLjaMEWyKlglpBwj2y7h3UY9BDwky
we+IwUeRFy4J2mqYF0UmLzo8aX3ih4FDKmykwQ0o5LzhS2EsgEzRF1wIT6NeSq+G
Be6K/OVqJggftjrvpFjtXQ/BTpY6uMKAoP0fPeLhPgsZBlrqzQvRdwhse3XAiCVD
Ks/z1ZiPH+B4U/gWV1Dy9LE7komj3auVgPb5l4K7QD7F2J86ic79vr9adr6C/EuH
0dwl2b6H75P+uLf2ZRrveJ6ZMKqxxiZ6RNr5mzgxS1r4R8qrb7R8Z5qLylt5otMv
UQIDAQAB
-----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 378873164699362562702445732817632326032075
 . . . . . . . . [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 2023-10-18 00:19:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-16 00:18:59 +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 23343297992062098268621004386206019308755842357996116741133128726986358320951644031758150319134931603695243474561148686797340154815649311646725178690951127051454477221139816314575852978334474020722698058469422153365566416057758016210902224950419022045458894829506408540303540681933273341316765003014632893997010914637525202123434340332348828513225388471798122403703352156905766530220594086156550845977612512688789557204803581591265925760864873812544926646739923309591417409716971652684206096498103809613542703341813974396952904908068802312198236231108703347461150992069495237885120821212104177769038398405098324832081
 . . . . . . . . . . . . . . . . . . . . [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)
							fb0b86a5ece8aab372c559181991486b7e73aff3
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f00076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018b405d57550000040300473045022021c982da8712252b0c06cf1224c5117b3896fd75dd1d87d12b1d7640db027fcd022100dfc467971a31e48aa810a40179b6402907812bd1a229637617b05b4c3ea82151007600dab6bf6b3fb5b6229f9bc2bb5c6be87091716cbb51848534bda43d3048d7fbab0000018b405d5768000004030047304502203ff2e55f34ef6f2a8b016ee2cc6ffc8ea2d51467309f37d72b97e1c8f97198c7022100f21863720a65e7931641f908ce833bd73c6168f51e6a7dcbc5f18f8727952d78
 . . . . [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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