www.katrin-seidel.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:0d:13:41:5c:a5:f6:8e:6a:fd:3a:3a:4b:11:a7:9a:f2:a0 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): 03:0d:13:41:5c:a5:f6:8e:6a:fd:3a:3a:4b:11:a7:9a:f2:a0
Serial Number (int): 265786123275599293966208395274321630261920
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 5a:78:d1:d1:5a:81:e3:51:32:63:f2:50:9a:81:cc:66:4b:b2:62:cd
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 23:38:d1:23:7b:c4:4f:00:fe:f6:cf:c3:e1:f6:58:2f:a7:2b:29:22
Fingerprint (sha256): 8f:ca:97:5a:d6:9d:6b:f8:15:59:c9:7c:db:d7:fc:ad:73:d6:b0:86:10:b8:55:8c:6e:bb:99:77:57:1f:ee:c1

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxUREd1mR7ataU7vLq16d
2dPMgeerEz5cTj3pAVrPMDAAOF5Ro/dv23YyO09MSxuBHO9AaODCI39Yu4pkhSf2
WH4ak1IPtgbvIPNQdFJF5rb/jodEFrTIQHR/eRUUalCkLRtOx8HZ4Vm7OiBD5CLb
pmCm8c36yVYaY2tvoO3/x1f0oYt026C7ypl9ZsB+RknRvhUoH03Jd1aVRsPH9+5U
h2g2gvgH9qAhuDbJccv5GkPfdgg2fXcuespUJ+jjIUN7pAKqjO2erMnLIXisZO5Z
eHxp7SSMpMjVdq30EtcDs9M9qCFayW3nPAFtr59S32nzyGxxEh5/Oe/2fZhujIA8
twIDAQAB
-----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 265786123275599293966208395274321630261920
 . . . . . . . . [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 2018-07-05 09:23:34 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-10-03 09:23:34 +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 24902610010674504748129582044911834824094259208633545519792467420687275587245692403658572642373878356461744414469005348730954016253583597802469754223231244444245916580684349982365493801387098329141389433295342562529959031746988098884585947837227739416925329701974903714276777146375252032076523724227684402493956202779999521119865913967300983810528443490151567942790874351883557656720835928944064491753589860158859940938377875850402492669149506424290332518995594797581490230873364312139422563693646814657901234345443984095760394622770441664480892168149402362802135280376017522717862152760669498963126152125689626639543
 . . . . . . . . . . . . . . . . . . . . [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)
							5a78d1d15a81e3513263f2509a81cc664bb262cd
 . . . . . . . . . . . . . . . . [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 (246 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 1.3.6.1.5.5.7.2.2 (unotice)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/'
 . . . . . . . . . . . . . . . . [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)
							00f0007700db74afeecb29ecb1feca3e716d2ce5b9aabb36f7847183c75d9d4f37b61fbf640000016469f7f0d30000040300483046022100f0bac226a8ee54940b1fac3809a2f6cf2c87f7548e2857ad6dbaad49867bd3f5022100d1cff6e3d07bcda107f41086e352d679153363236d40b4aed6c3b9dad9359459007500293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016469f7f0e3000004030046304402203d8ba9e9e44a29af5694bcbc97ba20c7e210debae86500f22706e46ea9b57b6c02205ceb4412641ef13d4ecfe0c0ee0024c3c4aa0627f97577ed2ced0d548c6664a5
 . . . . [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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