siekmann-ingenieure.de
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:ab:94:5a:06:d2:0b:c2:de:ac:b9:18:d1:5a:82:60:05:79 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=siekmann-ingenieure.de
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:ab:94:5a:06:d2:0b:c2:de:ac:b9:18:d1:5a:82:60:05:79Serial Number (int): 319722335727190664543959197858387476874617
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: af:32:f9:23:d4:28:6c:f1:33:70:d6:fc:28:09:f9:c8:21:f6:ee:b8
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): c3:4c:3b:e6:ef:c4:0d:d3:98:97:71:74:98:18:ab:80:4c:c0:bb:c7
Fingerprint (sha256): 28:d0:e1:ca:1e:0e:c5:a7:f9:06:7b:85:b9:0b:54:3e:76:11:31:b2:aa:ef:c9:32:c5:8f:4c:8e:ab:8a:9f:9d
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate siekmann-ingenieure.de
2
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for siekmann-ingenieure.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
siekmann-ingenieure.de
www.siekmann-ingenieure.de
www.siekmann-ingenieure.de
Other certificates including the domain name siekmann-ingenieure.de
(limited to 100 certificates)
siekmann-ingenieure.de
siekmann-ingenieure.de
siekmann-ingenieure.de
mail.siekmann-ingenieure.de
siekmann-ingenieure.de
siekmann-ingenieure.de
siekmann-ingenieure.de
siekmann-ingenieure.de
siekmann-ingenieure.de
siekmann-ingenieure.de
siekmann-ingenieure.de
siekmann-ingenieure.de
siekmann-ingenieure.de
mail.siekmann-ingenieure.de
siekmann-ingenieure.de
siekmann-ingenieure.de
siekmann-ingenieure.de
siekmann-ingenieure.de
mail.siekmann-ingenieure.de
siekmann-ingenieure.de
siekmann-ingenieure.de
siekmann-ingenieure.de
siekmann-ingenieure.de
siekmann-ingenieure.de
siekmann-ingenieure.de
mail.siekmann-ingenieure.de
siekmann-ingenieure.de
siekmann-ingenieure.de
siekmann-ingenieure.de
siekmann-ingenieure.de
siekmann-ingenieure.de
siekmann-ingenieure.de
siekmann-ingenieure.de
siekmann-ingenieure.de
siekmann-ingenieure.de
mail.siekmann-ingenieure.de
siekmann-ingenieure.de
siekmann-ingenieure.de
siekmann-ingenieure.de
siekmann-ingenieure.de
mail.siekmann-ingenieure.de
siekmann-ingenieure.de
siekmann-ingenieure.de
siekmann-ingenieure.de
siekmann-ingenieure.de
Certificate
The complete raw certificate details for siekmann-ingenieure.de in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFgDCCBGigAwIBAgISA6uUWgbSC8LerLkY0VqCYAV5MA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTA4MjcyMjIwMDlaFw0x OTExMjUyMjIwMDlaMCExHzAdBgNVBAMTFnNpZWttYW5uLWluZ2VuaWV1cmUuZGUw ggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDWEB/qicmSN1m9MG/JGl6A LSdCipSu1slKulWJImxSdXtizFG0UC6/yj3pmf/91G8QYy32jw6Lwcr88q2Qlmb7 /feJPp9Hv788J9qPkcFi0mU0wIoZUmsK0ughMjBKdEVC2+munKxkuGy3F6HYRomz 8KBcpSMhrJDXUeqdzu4oQ3/0wWfJHRmjrZ7poK9qufYoinZ31trzxzgdw1EyyBmh H66WVvT7g6+LYn2RdfX3/qkFTOjsyV8hiVGIytwNm1+RU6J/FxUhVRN8VCcnpJpg dLJZ1O1t5h1eCN48+8ls/M/jge3PxbGgRQdGMNckksYVLibautt+aARnNdlEyQ6/ AgMBAAGjggKHMIICgzAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYBBQUH AwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFK8y+SPUKGzxM3DW /CgJ+cgh9u64MB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8GCCsG AQUFBwEBBGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxldHNl bmNyeXB0Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxldHNl bmNyeXB0Lm9yZy8wPQYDVR0RBDYwNIIWc2lla21hbm4taW5nZW5pZXVyZS5kZYIa d3d3LnNpZWttYW5uLWluZ2VuaWV1cmUuZGUwTAYDVR0gBEUwQzAIBgZngQwBAgEw NwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYaaHR0cDovL2Nwcy5sZXRzZW5j cnlwdC5vcmcwggEEBgorBgEEAdZ5AgQCBIH1BIHyAPAAdQDiaUuuJujpQAnohhu2 O4PUPuf+dIj7pI8okwGd3fHb/gAAAWzVYSgpAAAEAwBGMEQCIFwYURH0NltHO89u aIFCZL+0RiVXkeUFNubeh92Ce71pAiAsecfVWELHijGmpYXjT3V6+NijLXBsziA7 qabyyxWPUgB3AGPy283oO8wszwtyhCdXazOkjWF3j711pjixx2hUS9iNAAABbNVh Ki0AAAQDAEgwRgIhAPt88Nu0LQXGsj1TTfcivzxJo0p8B5UsBYK4jaAaeR/SAiEA mqfCmoYEgnGHIjgz/E8baTirS+pCiXyTmFR9WW1kKB8wDQYJKoZIhvcNAQELBQAD ggEBAB7YGtp6PTypUXXnEKdun5kkxT/ykWvSmv/DWBY2o4QHGjf8OPw1OLQBQVv8 bgo68B52UrKyS6cZBScxVVMow72NMt7toer1Hjc5BnivIo1E/O/l6QEMbwXUQ+a0 RLI63kvRw3Zny1KDQmdG9R4cSyFrgP3zqoZEzsrzgQNqzOccMsqTpVNKWJP3dzU8 XczNlpK8XP3PXRsJ6oy+WgDu0kE0nvRPbPXRCr4THSqWt0l+R4Mp7pbc3QGOOnKx kT+n4TMhyi3DWs7lCwwa8Wr8a2xOZ1MN8gfY07ssHjqt58YXG5FcGF0O7kae6oNR VLq2cppPGQ5vT68ypKidlw7esQw= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1hAf6onJkjdZvTBvyRpe gC0nQoqUrtbJSrpViSJsUnV7YsxRtFAuv8o96Zn//dRvEGMt9o8Oi8HK/PKtkJZm +/33iT6fR7+/PCfaj5HBYtJlNMCKGVJrCtLoITIwSnRFQtvprpysZLhstxeh2EaJ s/CgXKUjIayQ11Hqnc7uKEN/9MFnyR0Zo62e6aCvarn2KIp2d9ba88c4HcNRMsgZ oR+ullb0+4Ovi2J9kXX19/6pBUzo7MlfIYlRiMrcDZtfkVOifxcVIVUTfFQnJ6Sa YHSyWdTtbeYdXgjePPvJbPzP44Htz8WxoEUHRjDXJJLGFS4m2rrbfmgEZzXZRMkO vwIDAQAB -----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 319722335727190664543959197858387476874617 . . . . . . . . [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 2019-08-27 22:20:09 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-11-25 22:20:09 +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 'siekmann-ingenieure.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 27022948635107572375297649607045592948292312848313525966598764384367125941200883559216155494934322765561410740987598065246557484946376930468987565104111581005080404565797857232194788881931110810252965865084227628025225782794666041287021821155117075909777467995763672491105849511208653335090834864773403247476181004958736661800004075306924497566497566477481836074970624775238555633056569044538269578390395477795228712581957741193634111156853814308270263931765902120704443555464564213765470117000593291494368814359028158150084721357300390071329305451249987721777026533993457131558127829777439507281707858629669748805311 . . . . . . . . . . . . . . . . . . . . [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) af32f923d4286cf13370d6fc2809f9c821f6eeb8 . . . . . . . . . . . . . . . . [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 (54 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'siekmann-ingenieure.de' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.siekmann-ingenieure.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 (245 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes) 00f0007500e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016cd5612829000004030046304402205c185111f4365b473bcf6e68814264bfb446255791e50536e6de87dd827bbd6902202c79c7d55842c78a31a6a585e34f757af8d8a32d706cce203ba9a6f2cb158f5200770063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016cd5612a2d0000040300483046022100fb7cf0dbb42d05c6b23d534df722bf3c49a34a7c07952c0582b88da01a791fd20221009aa7c29a8604827187223833fc4f1b6938ab4bea42897c9398547d596d64281f . . . . [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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