www.katrin-seidel.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:b1:53:6d:87:00:69:6e:91:0b:22:6a:b2:0a:e1:6a:1f:5d was issued on by Let's Encrypt.

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=www.katrin-seidel.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:b1:53:6d:87:00:69:6e:91:0b:22:6a:b2:0a:e1:6a:1f:5d
Serial Number (int): 408790017294212749018970869601175002029917
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: b2:6e:20:8c:24:f4:60:07:18:e9:5f:8d:4a:58:a3:cf:fb:1c:95:cd
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 6b:08:e1:f9:75:ab:8d:55:c4:16:35:84:f7:5a:92:63:12:0c:3e:bb
Fingerprint (sha256): d2:1d:e3:40:9f:da:27:4c:6d:f6:92:42:83:38:87:41:3b:8d:73:42:6b:23:03:e9:57:33:79:75:25:66:25:48

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate www.katrin-seidel.de

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.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

www.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 www.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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvx3rncJCvkhVWIX/qL5g
lGHf9PyAqqIzBI72HOnEiBWXwBN0NSdymJx1Nliv6Knrh5TImZd8cQLyy6gipMuT
NyBjgX9khNaCd2Lw0ZVRGhLpaYk07INArGdohQNGNAlgS4BZ9R1mOoutB1+jy4M0
Pc5WCAus8XORS3AzB+gvTtAxyscfhvrmtsxaPYOguzxYZSkQqbI1thH0NSFgjptS
5EGR6Pea95X1o/xv3El25pel17zOUfAlgNXtIbPdVTqWLDNJrMj38e9/c6Zv9Jvy
/wDEzNQ2YHDptn6T9rxJ9o3NgArmrAX9VuVU7IXxckJ+RTZFFjbkwxXg50X2aUZY
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 408790017294212749018970869601175002029917
 . . . . . . . . [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 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-12-15 18:19:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-03-15 18:19:00 +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 'www.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 24126270535802261312129313458867088225344418212913094801272385000120102772388771852960680932922775036741688432163750881134526734160127919264831387856091764378117465467553097260528350702102109033118526971388509768014770851801561867779099331999685365975859842580261368176633345073629663508349105274055445387426554376483311292707425849114417690084371578168389483239783146738188852772162091120635905201967921804884621529375381474852131280904365512808779222215515866376085569312175468018328621088009936730305380375314572468777223497151138552504574348716788654386318202770111302086858181577610117299631678630870127198230677
 . . . . . . . . . . . . . . . . . . . . [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)
							b26e208c24f4600718e95f8d4a58a3cffb1c95cd
 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [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 (99 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://ocsp.int-x3.letsencrypt.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://cert.int-x3.letsencrypt.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 (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.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 (69 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 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . [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)
							00ee007500e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe00000167b34eb8d1000004030046304402206999572268df5b860aa1d7a700e1dfb34eac3bb118a69429117667815e43638b02201e84f1d54d848fa549d50857a6960b561e9368c6d1dd534dfb75077ac96184a9007500293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f47800000167b34eb8c60000040300463044022045e3bb9c0f4fce9eec54df6bc14f194ed7fe66d75d6cc10f03fd46f192020f5202207239805adae94efcdb931382ca1f41d11a1a35ca5f3ca2081595e5fcbb384c5c
 . . . . [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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