www.spfau.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:5f:e1:fd:2e:b8:fb:19:f5:9d:5b:30:77:ee:78:6d:96:b1 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): 03:5f:e1:fd:2e:b8:fb:19:f5:9d:5b:30:77:ee:78:6d:96:b1
Serial Number (int): 293964073550573245142780284620873187301041
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: d2:8c:67:e9:19:93:0a:0b:4c:bb:c5:8d:ac:9d:bb:b4:43:a9:be:dc
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 2c:97:a4:3a:12:2a:d8:4e:e1:b2:2f:58:74:d5:65:fc:1b:89:5d:2a
Fingerprint (sha256): 32:b9:e1:e0:bb:5c:93:d7:bb:1e:07:41:51:27:64:28:e6:7f:15:e1:e7:61:c8:27:cb:84:d5:31:3a:f9:69:be

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3OikO8ZlutsILDammHJJ
r9hGG8DadFUWbwsITOA+IdloQ6JN8vonP95IUU7FmHHBoccq7e2s8DcVpMuDWL+6
Ovj3nDeUm+6YgN/Suf2wd2FAbT62F0H6xwEa4GCHuEqZcI6hnP26Hdi7f9tlEFgk
j5/R+m0tX5CLluKRTIxlH1kzRzmqC4grwauyEK9cYFR9lEXs1NSLCCGh3wpiJjWq
xOeP6gtT2Ru1tpd722UeJmQejn+iLJux3fqz0BQ3nkAZb9x6ZJVtpLio0MEqa0ju
JiiHFPlA65v7ahsK0EcPDlr8d1PGmV/NrGO7EDKQYJmrgsKlYIJAm1zzNzaTvyrb
sQIDAQAB
-----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 293964073550573245142780284620873187301041
 . . . . . . . . [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 2020-01-15 17:33:18 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-04-14 17:33:18 +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 27887146910140084344814852933310522183937737908077872494770944493536527948079516611300324134050671405008962708347978706320694583527013328722695107714623210762061327715937674296700282582555871886011057605730556260653196688813600811388645266025618864794501542463465083628370105564987886967094729201710135013015394928953166952057413659991134081328405476957979560132349531489382177368586926270309725106040112024289379738025271475834644131891243159391915166113280959351591480151362823653916898567814419605298762201953388259367089357090107443537945170403895473648356824835806597087191352623013578572578751474279392589044657
 . . . . . . . . . . . . . . . . . . . . [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)
							d28c67e919930a0b4cbbc58dac9dbbb443a9bedc
 . . . . . . . . . . . . . . . . [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 (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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef0076005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016faa7b32cc0000040300473045022028d5c8ea4ab521fb341fcfa5749f4a3c26ed8c39956b3a49b7beaebd4c807ec9022100ea23403cbaf2990d271677a2a79e6d9b25d7ee838a029314ebfb9537949490e400750007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016faa7b32f00000040300463044022071c4456368639abdff62211f405afa33bda485e4283d8947e20d239228289226022031ef447f2d97b0c1ec7dcbf55cb30a990659b064b80a2126ffc0672ddb814218
 . . . . [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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