katrin-seidel.de

Issued by R3

About this certificate

This digital certificate with serial number 04:dc:2c:5d:e2:59:b5:cc:c7:90:2e:63:91:f8:5c:be:64:d5 was issued on by Let's Encrypt.

This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com. 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=katrin-seidel.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 04:dc:2c:5d:e2:59:b5:cc:c7:90:2e:63:91:f8:5c:be:64:d5
Serial Number (int): 423370237956001969824917743105143541228757
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 2a:fa:a8:2c:9d:2b:3c:c9:3a:9b:b0:62:d4:cd:02:36:04:6d:23:41
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 8c:51:52:5e:6a:26:58:5c:19:e9:28:1e:da:f6:dd:21:ac:e8:71:45
Fingerprint (sha256): 39:c8:9a:ad:44:4a:94:cb:5c:b5:32:7e:52:55:65:e9:2b:e0:fa:c2:98:59:c4:7e:8c:d0:d6:5e:bb:51:c6:9c

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

Revocation information

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

Check the revocation status for certificate katrin-seidel.de

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for katrin-seidel.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

katrin-seidel.de

Other certificates including the domain name katrin-seidel.de

(limited to 100 certificates)
www.katrin-seidel.de
www.katrin-seidel.de
www.katrin-seidel.de
www.katrin-seidel.de
www.katrin-seidel.de
www.katrin-seidel.de
katrin-seidel.de
www.katrin-seidel.de
www.katrin-seidel.de
www.katrin-seidel.de
www.katrin-seidel.de
www.katrin-seidel.de
www.katrin-seidel.de
katrin-seidel.de
www.katrin-seidel.de
www.katrin-seidel.de
www.katrin-seidel.de
katrin-seidel.de
www.katrin-seidel.de
www.katrin-seidel.de
katrin-seidel.de
www.katrin-seidel.de
www.katrin-seidel.de
katrin-seidel.de

Certificate

The complete raw certificate details for katrin-seidel.de in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxhEp0eTvIVRROlengeqj
HowV3d5GIToGHf27azJwXqXCHJQPrNkOEms4pNHk6Zu58adBBK29NukSKZPCpCSN
9BpOiSOJmBQgoiPKpH8V1kBLp5sIkxdWSYxtn2+oAKmt/D11lMlq2yr7DXrbAo+F
bckH+WfhzUzjFM0doOHex5hsX8+bAE1x0jizS6pT81mJKFrWS1+FFiBERL553VK0
8xtDPUuPP3Ta5Y9d0g4Jnenw/AnTKeaVX46xeAZ9k2gpFHqMzOvqHWBDmimKuv28
JYvkpm2yeNoLTIeG+Bl7bt5YydB3FyzqNJZB04/6RFRAdoPvOFA4kudZ5WFHGu2l
pwIDAQAB
-----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 423370237956001969824917743105143541228757
 . . . . . . . . [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 2024-03-01 21:22:59 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-05-30 21:22:58 +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 'katrin-seidel.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 25003647951035343354003309959531757577725348231548179540090926996794628739904029488298121266222719289915803148735419996780406350178273790547139813641704908640374760571141414768139030876961161569145636766722821372922420843766461209840104713958957751269632145364559932875338458935295668599319565340618289669212269082857664490335485760290336186862866417163355413649265776103915523016892715654874693417767611571106016558789953756443889992499485761559232878948826199153362355912361649619994695702938198618077450271922049065949286559688109096937651472513368457622902022833255634744483523564995289014691471871980026219832743
 . . . . . . . . . . . . . . . . . . . . [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)
							2afaa82c9d2b3cc93a9bb062d4cd0236046d2341
 . . . . . . . . . . . . . . . . [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 (20 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'katrin-seidel.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)
							00f0007500eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018dfc1d106a000004030046304402200740d85cbd9949ec444426f0b9e5216897bd9bce87dfdef6c37d836605d1f04502203ff5e4783fb78ef041a2315104a63f91715d32710ff47791a4657e3b8320f0fb007700a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018dfc1d10ff00000403004830460221008ed365287865fc17e3216fc0b7695454e05a89a3b4c1ae5ccb59549d653c090d022100a05354ee2ec6ec19076be980c290618f2311702a7fdb0902178d293f2e86d017
 . . . . [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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