alexanderbartels.com

Issued by R3

About this certificate

This digital certificate with serial number 04:51:1c:c6:c5:95:28:b6:d5:11:f9:9a:bd:e1:1f:d2:cf:43 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=alexanderbartels.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:51:1c:c6:c5:95:28:b6:d5:11:f9:9a:bd:e1:1f:d2:cf:43
Serial Number (int): 376050265913749258232432821729694198189891
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 66:49:db:31:70:c3:93:61:be:b6:cb:de:fb:dd:8c:39:62:f9:f5:83
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 62:c6:8b:a8:84:e3:1c:ea:6c:e9:12:0d:97:4b:53:2a:0c:9b:18:b6
Fingerprint (sha256): 4e:8f:a5:39:f3:ba:ca:e7:9a:67:8a:6a:2c:40:5c:ca:ca:3e:41:f9:d4:4a:c4:97:1c:75:19:cd:86:5b:67:d1

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

Revocation information

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

Check the revocation status for certificate alexanderbartels.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for alexanderbartels.com

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

alexanderbartels.com

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Certificate

The complete raw certificate details for alexanderbartels.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAnofbwI+QMfKhVG0dtLiJ
YwAQZHwrww9uiuRJlomluVRmCx33MqIBB4BLEIFpFOKiKTiEaOkseJzk0svdbMnn
+28mz9nronpFySenSjjniiTIZcBsKZDYXOcnMPuM6f7HXLPQTV06nnx/7q2oRzY3
cqW/KM8y6waK4sdD4HTQUXUONNEp+DeAMuutx5QmH1sb5K2VzJba77BBXO2QhN4G
VgtZ9p5AhF/+d0KEWw67AaKtvw49gw6x5SSS9NOTduKjPV7vdcj/NgEtWYgCd+cD
Xh1ID8CZ5MZwxffC8IvPTXwAw0Pefu7bs5uXL56tMjTcrU9NglUKuhjxOnVLSVix
dQIDAQAB
-----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 376050265913749258232432821729694198189891
 . . . . . . . . [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 2023-12-25 07:45:59 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-24 07:45:58 +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 'alexanderbartels.com'
 . . . . . . . . [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 20012646462037181475757671231773331615623341334886158667447012423110897006289692447204289255747449206051608845237155357561698739148110659339582497172570138365463422501150192259324223673607560873307163797388947041475355691185067030053650256411767083054746972033018909655210438400139023675989271449533091241591654537037628710079824621399263093178346769255939822246717358282812152566333938910088719323204670169246789963564779097611851323750574212251476607319823482844682165056113188715381976276491163230581524070629532521977827815560088355732648664144438024387683152247136274389069857010247870327828850699352963378884981
 . . . . . . . . . . . . . . . . . . . . [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)
							6649db3170c39361beb6cbdefbdd8c3962f9f583
 . . . . . . . . . . . . . . . . [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 (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'alexanderbartels.com'
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f100770076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018ca026ffde000004030048304602210092a3f66640357a822db6a7cffcec1a654bb48121f9f8bb8474ec7d608bc27c47022100fea2db2e39038ca1d12a80f19cd14cae9ed59efc932fc47dcd9087f29aa60d3d0076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018ca0270172000004030047304502201c2b600166e9cb0164d1e9290b513d6816067b69ae1a4a8dcb52688e32ca98e4022100e350b20c1a3476d373394de3ea05717557de33aa14c30d01785c3aadd63bda8f
 . . . . [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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