siekmann-ingenieure.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:c6:e1:b4:f4:3a:d0:4d:50:a6:86:ee:1e:36:08:c2:99:99 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:c6:e1:b4:f4:3a:d0:4d:50:a6:86:ee:1e:36:08:c2:99:99
Serial Number (int): 329012782311680341113023428868956865337753
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 46:30:a2:e8:c3:1d:eb:b0:bb:58:6d:a0:68:12:45:16:ba:c4:0e:ab
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): d2:db:e7:a5:b7:dd:bb:d9:96:4a:3e:25:c5:c2:34:ca:f4:81:bd:22
Fingerprint (sha256): 71:c4:d8:e1:0a:e9:c9:64:9e:a4:b6:bb:8e:2d:f8:e4:36:87:47:0d:3b:87:f7:0c:89:fb:86:13:d4:00:96:67

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 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

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

Certificate

The complete raw certificate details for siekmann-ingenieure.de in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIFfzCCBGegAwIBAgISA8bhtPQ60E1QpobuHjYIwpmZMA0GCSqGSIb3DQEBCwUA
MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD
ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTA2MjgyMjE3NDNaFw0x
OTA5MjYyMjE3NDNaMCExHzAdBgNVBAMTFnNpZWttYW5uLWluZ2VuaWV1cmUuZGUw
ggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDGyEPjY96bmJoeHJDZ3BWw
IR9O+hYDQMJSBmLM5PRIyFHCY9P/+jEv7Mxt6Mw3R4IggQ8tolaIwNYJSOjGdCag
h36zq2WCw5sCa5NmLaBZQjR/6zLub5swR4CRqFSzxcnQuA0CM8ycMfLVXwwA2kZ0
zYcvGtReNYaLfVnINL1c3h5CXkOHDmkzoU+UymXWu6ShVkWo8CUA7XwsqQiFJhkb
ayapCJfQhC0sKu+TJ6wcOwWi2Ml+F7OhhXDA2hFfmcJCpvPI+AWSWlaMPC/i4e9A
fDWOlLAsrJNBtEiINGYRFg1bmGfOEMILooyDVmHBJfR+LCNvk0pN0iFlYStKZrKP
AgMBAAGjggKGMIICgjAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYBBQUH
AwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFEYwoujDHeuwu1ht
oGgSRRa6xA6rMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8GCCsG
AQUFBwEBBGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxldHNl
bmNyeXB0Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxldHNl
bmNyeXB0Lm9yZy8wPQYDVR0RBDYwNIIWc2lla21hbm4taW5nZW5pZXVyZS5kZYIa
d3d3LnNpZWttYW5uLWluZ2VuaWV1cmUuZGUwTAYDVR0gBEUwQzAIBgZngQwBAgEw
NwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYaaHR0cDovL2Nwcy5sZXRzZW5j
cnlwdC5vcmcwggEDBgorBgEEAdZ5AgQCBIH0BIHxAO8AdgB0ftqDMa0zEJEhnM4l
T0Jwwr/9XkIgCMY3NXnmEHvMVgAAAWugYVtkAAAEAwBHMEUCIDlVkJLeZLRW78Pz
T7m2VPW+ZghRlR3UYAJvLmRFynrAAiEAvtfKZb+J3ImNhX4/dm+QgWrRn6mAYH+q
z8dJv8f0KdoAdQApPFGWVMg5ZbqqUPxYB9S3b79Yeily3KTDDPTlRUf0eAAAAWug
YVtRAAAEAwBGMEQCIBNURWR+Q8wefMmhW76LcB/K8XdfQwSXKXOkdLSXwdnXAiBk
q3WWx/kCi3O6izE/7Y2CzPvR3I78TTjimH4tMLj88jANBgkqhkiG9w0BAQsFAAOC
AQEAhsJVOExw3ZgIFZ5n8ai2tlneBTmzRK9DCRpyyIKlYwSymRiu6zk1V949yK7X
DqqQtKRu6U+HW2+7E2e+SN6J3TA/nAYUn3vx+jPjJKD5jcPCXHfhXrPHyOPxIPTH
8siHCcig5PiFFJnMJHIbDRrqEESBPXK5JR1NTd7hQmfeWfSqr9YhmexHFiB/mEkg
MqqWV4gS8grfpfACtm9PykZxBJ++HXyJz9cXZTwr1FliUu3CshOrvHI0GjLG1bG0
OY/YoTDDkmAihWfA9eHNGX6MV+PZRMjn4T7a3fLDmGGqyptdyWO+wckOs+r2Flgw
S7jHO8Q/PGB8fGzCoSBVyz1uDA==
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxshD42Pem5iaHhyQ2dwV
sCEfTvoWA0DCUgZizOT0SMhRwmPT//oxL+zMbejMN0eCIIEPLaJWiMDWCUjoxnQm
oId+s6tlgsObAmuTZi2gWUI0f+sy7m+bMEeAkahUs8XJ0LgNAjPMnDHy1V8MANpG
dM2HLxrUXjWGi31ZyDS9XN4eQl5Dhw5pM6FPlMpl1rukoVZFqPAlAO18LKkIhSYZ
G2smqQiX0IQtLCrvkyesHDsFotjJfhezoYVwwNoRX5nCQqbzyPgFklpWjDwv4uHv
QHw1jpSwLKyTQbRIiDRmERYNW5hnzhDCC6KMg1ZhwSX0fiwjb5NKTdIhZWErSmay
jwIDAQAB
-----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 329012782311680341113023428868956865337753
 . . . . . . . . [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 2019-06-28 22:17:43 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-09-26 22:17:43 +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 25093938828331792569633465509561790297223003968592675377716105318398633723025666707508345619086962732752602535629567927194957070733588908210146417875548848978952395211624197601892830030889791805355390790328696790666542571567818330298172220603179653286049073759179808584703970013795913381633048647177492105974259581513737047544110504377186970711773089393286584810388836085312553785709220955546671762265621057387529080495169236764149824948765376846132005976299836243718101155821549034466280125128409030038310771051512572555140267029584442007810087354320266022292267231660472831321575404873170994258057005030915141186191
 . . . . . . . . . . . . . . . . . . . . [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)
							4630a2e8c31debb0bb586da068124516bac40eab
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007600747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016ba0615b640000040300473045022039559092de64b456efc3f34fb9b654f5be660851951dd460026f2e6445ca7ac0022100bed7ca65bf89dc898d857e3f766f90816ad19fa980607faacfc749bfc7f429da007500293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016ba0615b5100000403004630440220135445647e43cc1e7cc9a15bbe8b701fcaf1775f4304972973a474b497c1d9d7022064ab7596c7f9028b73ba8b313fed8d82ccfbd1dc8efc4d38e2987e2d30b8fcf2
 . . . . [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)
		0086c255384c70dd9808159e67f1a8b6b659de0539b344af43091a72c882a56304b29918aeeb393557de3dc8aed70eaa90b4a46ee94f875b6fbb1367be48de89dd303f9c06149f7bf1fa33e324a0f98dc3c25c77e15eb3c7c8e3f120f4c7f2c88709c8a0e4f8851499cc24721b0d1aea1044813d72b9251d4d4ddee14267de59f4aaafd62199ec4716207f98492032aa96578812f20adfa5f002b66f4fca4671049fbe1d7c89cfd717653c2bd4596252edc2b213abbc72341a32c6d5b1b4398fd8a130c39260228567c0f5e1cd197e8c57e3d944c8e7e13edaddf2c39861aaca9b5dc963bec1c90eb3eaf61658304bb8c73bc43f3c607c7c6cc2a12055cb3d6e0c