www.cremer-metallbau.de

Issued by R3

About this certificate

This digital certificate with serial number 04:ca:54:ed:89:4f:4b:b0:72:4b:80:62:22:53:07:fe:40:f6 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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Certificate Subject

CN=www.cremer-metallbau.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:ca:54:ed:89:4f:4b:b0:72:4b:80:62:22:53:07:fe:40:f6
Serial Number (int): 417299070356044527118898269884586261364982
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: ba:be:55:0c:a1:fe:ae:93:ba:fa:d0:0b:d2:9b:11:4a:62:67:54:70
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): bf:f8:85:3e:41:f8:02:15:e6:e7:8f:6b:39:9d:92:66:47:f6:ad:05
Fingerprint (sha256): de:e2:79:93:c2:36:01:e5:e6:f1:d8:fe:de:f3:64:ef:ec:79:2a:51:fe:56:69:52:a3:47:35:5b:b1:ce:b0:13

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate www.cremer-metallbau.de

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.cremer-metallbau.de

Public Key Algorithm

ECDSA

Key Size

256

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature

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.cremer-metallbau.de

Other certificates including the domain name cremer-metallbau.de

(limited to 100 certificates)
listingupload.lima-city.de
martycze.12hp.ch
*.angelsportverein-toenisvorst.de
www.cremer-metallbau.de
www.cremer-metallbau.de
www.cremer-metallbau.de
musicproductionarena.com
konstanz93.lima-city.de
www.turtleatpatrick.lima-city.de
www.cremer-metallbau.de
redjacket2.lima-city.de
www.cremer-metallbau.de
cremer-metallbau.de
www.maskerade-dresden.lima-city.de
members.litpub.net
www.tsc-brinkum.lima-city.de
www.cremer-metallbau.de
wd.mokis.de
www.m.bistroamkanal.de
cremer-metallbau.de
www.cremer-metallbau.de
testwebsite4temp.lima-city.de
fungames2play.lima-city.de
kpconnect.de
www.cremer-metallbau.de
ch-ch-hochzeit.lima-city.de
fungames2play.lima-city.de
angelb.lima-city.de
www.cremer-metallbau.de
*.development-ralph.com
cremer-metallbau.de
wladi-g.lima-city.de
www.cremer-metallbau.de
www.cremer-metallbau.de
home.derbrocode.de
burcintetik.lima-city.de
www.cremer-metallbau.de
www.cremer-metallbau.de
shop.dowhigawoco.de
cremer-metallbau.de

Certificate

The complete raw certificate details for www.cremer-metallbau.de in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAE9pkpvHPc8C2mqGE4vtkc7s2QaUPt
v+MgLSMmFEv1+xU65c4vtKG0WwyLI7PfFAkOjoQTPClvv4WqkfAH6o1UUg==
-----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 417299070356044527118898269884586261364982
 . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-19 10:38:02 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-18 10:38:01 +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.cremer-metallbau.de'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.2.1 (ecPublicKey)
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.3.1.7 (prime256v1)
 . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (520 bits)
				0004f69929bc73dcf02da6a86138bed91ceecd906943edbfe3202d2326144bf5fb153ae5ce2fb4a1b45b0c8b23b3df14090e8e84133c296fbf85aa91f007ea8d5452
 . . . . . . . . [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 (1 bits)
							0780
 . . . . . . . . . . . . . . . . [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)
							babe550ca1feae93bafad00bd29b114a62675470
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.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://r3.i.lencr.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 (27 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.cremer-metallbau.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 (12 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee00750048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018c81de5ddc000004030046304402203f63bd0bbcac291a2824f54487d1a5738582d9bf5cbf65705544cda1b3e39eec0220070ba0ba96d5f5bc6fb4cfd0c3352afc7fa3d55fca47fc164925698ab1d5f56b00750029d03a1bb674aa711cd3035b6557c14f8aa78b4fe8389449eca453f944bd24680000018c81de5e850000040300463044022033e6c0f5c10eafbc47422bb8e8ad4e1e56d8134fdd91cdaa629bd535781975e8022056ff6bf5bac3fda4730db490d290b2dac4b6eaea762a221e801ded757e4f78f4
 . . . . [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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