seitz-elektrotechnik.de

Issued by R3

About this certificate

This digital certificate with serial number 04:4a:02:8c:79:f5:ee:95:6f:11:aa:28:30:c6:42:91:81:49 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:
  • 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=seitz-elektrotechnik.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:4a:02:8c:79:f5:ee:95:6f:11:aa:28:30:c6:42:91:81:49
Serial Number (int): 373633426730398497535039142909224625996105
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: dc:d0:83:8e:0f:e3:e1:dd:10:88:c2:ad:6d:ca:9c:56:8d:34:63:5d
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 0d:f8:e9:34:67:8c:5b:2d:d3:64:ed:34:b9:c1:12:4f:b0:07:7e:83
Fingerprint (sha256): de:64:bf:35:fa:f1:f2:9a:96:0e:0a:ca:12:f7:e3:24:89:d4:c2:fc:1a:d7:86:37:85:f7:c6:db:9c:55:05:6e

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

Revocation information

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

Check the revocation status for certificate seitz-elektrotechnik.de

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for seitz-elektrotechnik.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

seitz-elektrotechnik.de
www.seitz-elektrotechnik.de

Other certificates including the domain name seitz-elektrotechnik.de

(limited to 100 certificates)
seitz-elektrotechnik.de
seitz-elektrotechnik.de
seitz-elektrotechnik.de
seitz-elektrotechnik.de
seitz-elektrotechnik.de
seitz-elektrotechnik.de
seitz-elektrotechnik.de
seitz-elektrotechnik.de
seitz-elektrotechnik.de
seitz-elektrotechnik.de
seitz-elektrotechnik.de
seitz-elektrotechnik.de
seitz-elektrotechnik.de
seitz-elektrotechnik.de
seitz-elektrotechnik.de
seitz-elektrotechnik.de
seitz-elektrotechnik.de
seitz-elektrotechnik.de
seitz-elektrotechnik.de
seitz-elektrotechnik.de
seitz-elektrotechnik.de
seitz-elektrotechnik.de
seitz-elektrotechnik.de
seitz-elektrotechnik.de
seitz-elektrotechnik.de
seitz-elektrotechnik.de
seitz-elektrotechnik.de
seitz-elektrotechnik.de
seitz-elektrotechnik.de
seitz-elektrotechnik.de
seitz-elektrotechnik.de
seitz-elektrotechnik.de
seitz-elektrotechnik.de
seitz-elektrotechnik.de
seitz-elektrotechnik.de
seitz-elektrotechnik.de
seitz-elektrotechnik.de
seitz-elektrotechnik.de
seitz-elektrotechnik.de

Certificate

The complete raw certificate details for seitz-elektrotechnik.de in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtk2wxYmXX/efh632+2C1
1ZU5Cgy6SO1fDREUMFDPgM4a8YxZN5aMeTDHz3LiBX7Wf+PD1ixNQbtru2LB6IHr
pBaVWNraAkT+T2XjDh6lbgdBDTDb8eZ6r/6pzfhe6JfCIMWpNJu8wBjsZVSUAZHE
kyXD0QLHZ2y/YbwrEjwS0pWJMVqZZ2nG2gFNUzyaFuRMdRO81thEW7MOWidYwJsz
ACc92ERPcCWhLekiJRWYvcOL3Lzdes72PgMWK/YG98czdA0RX8PfBgC4ZXNPhsmV
KELbWSq5KrD8pVpa1xtbUEl2Gs2ydZztH1Nvzl4OHTMEOl/z2/0JJN/e7Eai3ZWG
KwIDAQAB
-----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 373633426730398497535039142909224625996105
 . . . . . . . . [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 2023-11-06 00:34:17 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-04 00:34:16 +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 'seitz-elektrotechnik.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 23013682124222449192958211658547087365036621724716020264000623165478208983917104129879478910362233897254224501909423792590901965430820864629609090844456855415996938938222823971591891046206420448400986809407318138992787904653775012381573060503248699665929661689753714167289724975195529737935332636678282642434694146605996146981421802058967486346494966235758590173070766508989165413312239670926661519467577067678666821330535940750439813844888284025131549787309424304795080761111985865358579741895288545487213722009826576142822162624067158456740167518071416207904959372138662606554562607220959762835287724546507698177579
 . . . . . . . . . . . . . . . . . . . . [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)
							dcd0838e0fe3e1dd1088c2ad6dca9c568d34635d
 . . . . . . . . . . . . . . . . [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 (56 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'seitz-elektrotechnik.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.seitz-elektrotechnik.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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f000760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018ba24429290000040300473045022100d5cf687db4bf0c439bb42ca1d3be92fd5c4e5a94572728dc5a7573b21d55906202203f0d5fbc15915371f94ba414d806d65db453a0aca28d34c3c7293d511807601c00760076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018ba244295c000004030047304502206f4086f6297d8efb840cbd20681542018dd5accc3fff84e9de1f2f5e0c6e764e022100c9b3b53a42af5358beb623b18fb6f2d4210abfb67c02f0778b1e2b58b496d355
 . . . . [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)
		00507a55ae631d7badb2cae1892e0bc87f0de8f2238a08a853b4b3cb422d1fb174cbe938c3cc589e21dd43423b36820d90506b2efb734a021c85a3ded75236c88d6bd41cbd2fb8efde69baf3dedf96a84e7b37f25ce3d113731ad82a61aeb63a72694dfb2ba738da2ea330c4616532b0ddb47fec3207cb3da9dbdb82fa55545109ebb1fa32b023c11e66cc22f012f68bc1e3f44de9dc579522e181471e205aef4b51f67ec37a41f5c2e38e23a16a56ce7e3b4862e903bd4c9e6c78181f09dddebaba0475dc8ee45d7a21525e382877c15b26858d57ccba7956ad2293bbdf2dea641b4e057cc5986b9d2f0a4fa8a5b74a6a4638ddcfae97672d6a307741e0dddb38