www.spfau.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:76:06:7c:05:fa:1d:6a:9e:1c:ba:f7:43:1d:a1:37:58:25 was issued on by Let's Encrypt.

With 2 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=www.spfau.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:76:06:7c:05:fa:1d:6a:9e:1c:ba:f7:43:1d:a1:37:58:25
Serial Number (int): 301498796425964839047323282922333573437477
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 65:24:de:2a:6d:05:0e:1f:2a:44:97:58:28:9f:d9:5d:72:23:58:d8
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): d9:d7:63:94:2d:52:db:fd:f8:e1:66:e6:34:19:0c:6c:17:42:95:d0
Fingerprint (sha256): cd:09:9f:3d:3a:c3:27:3e:61:16:b5:5e:34:0a:9d:83:14:34:ae:91:0f:be:5e:77:64:7c:10:08:cd:03:e6:27

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.spfau.de

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.spfau.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

spfau.de
www.spfau.de

Other certificates including the domain name spfau.de

(limited to 100 certificates)
www.spfau.de
www.spfau.de
www.spfau.de
www.spfau.de
www.spfau.de
www.spfau.de
www.spfau.de
www.spfau.de
www.spfau.de
www.spfau.de
www.spfau.de
www.spfau.de
www.spfau.de
spfau.de
spfau.de
www.spfau.de
spfau.de
www.spfau.de
www.spfau.de
www.spfau.de
www.spfau.de
www.spfau.de
www.spfau.de
www.spfau.de
www.spfau.de
www.spfau.de
www.spfau.de
www.spfau.de
www.spfau.de

Certificate

The complete raw certificate details for www.spfau.de in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2fK6sC70ou1Dt0+xmD8t
Ta+pj/FFTyjUHyDRhmSIupp0tVLx7+p0hYavSaMOW7vF8NqD3s8mNqWHCm+EHfVK
ifrIEUashEVCL5XKGUrILJuR9D2fxJkIKtEVzCSeJNCBz5bT6yfG2W4jt6o+ozV0
eQ1pG3CrKHo0+T6Fde4MO/e0kL9rfBZKOAPC9tGnR773UdH+QCRgLH1dLmzXZQ8k
7X3AjYKhL19CCRYI8qbTDiq8vdythNLXcEuQef/IxNIGMbT4Wwgzbs2lVA8JZYUJ
ohb7VQzxTjrZQ+ICQdh0W23nnWxM9C6LwJ16d8uY2xZ8LKG1bOmWyJE2XoFmRc8i
mwIDAQAB
-----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 301498796425964839047323282922333573437477
 . . . . . . . . [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 2018-09-10 15:18:18 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-12-09 15:18:18 +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.spfau.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 27513406432292673352888497965841440839018269206225443454161717083312748376585685502598115760066606586634614068664973658256267314235844099063001405069440919007076339439950669247537987464842269206757778187723849958016261403622691763159632096109736034284167637799038044513700437760383529604096932558659695557591156240396555625627554243198330743879906447784555929443890182947979590050786924569249103891372992648851715935400155433743752519351649724451407852556103159753072593368706696356549226563089377365449635001341433039344954843803398145326851762454435093113428440177213623690641964231285725050084211354721076378542747
 . . . . . . . . . . . . . . . . . . . . [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)
							6524de2a6d050e1f2a449758289fd95d722358d8
 . . . . . . . . . . . . . . . . [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 (26 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'spfau.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.spfau.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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef0076005581d4c2169036014aea0b9b573c53f0c0e43878702508172fa3aa1d0713d30c00000165c446c96e0000040300473045022100c2ddad386190561c0bc184170689ee30162e8d8fceb6a81b86808455696f2ceb02205c7a12052fe2e2d3c8699e75f9fba0fe57f65dc6e7950c357574f37b6ec3f130007500293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f47800000165c446cb56000004030046304402205100490aa76d07a358d3e85adf522233eca3e88065aeedbb6c8916effda75d7f022013f6ad55ef11fe93044f48d733e0ec47f5d3ec0b8d9ab3ed5ca7ff2f164dcb9c
 . . . . [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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