andreaslydemann.com

Issued by R3

About this certificate

This digital certificate with serial number 04:f5:86:31:25:dc:1f:e2:9a:1c:c0:0f:2e:23:9d:d1:84:72 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=andreaslydemann.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:f5:86:31:25:dc:1f:e2:9a:1c:c0:0f:2e:23:9d:d1:84:72
Serial Number (int): 431996695364541376137109726058163146425458
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: db:12:b1:42:79:7d:dd:51:6f:07:e5:c8:dd:cc:5a:ca:72:87:44:72
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 7f:c8:99:40:f4:ed:e6:0b:41:c5:08:4f:9f:47:2e:a1:1c:0f:31:7d
Fingerprint (sha256): 49:1c:88:51:37:f1:18:c7:e1:59:e6:29:02:8c:31:3b:96:8d:d2:ba:21:ad:de:6d:82:d1:7d:59:1d:f9:f4:61

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

Revocation information

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

Check the revocation status for certificate andreaslydemann.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for andreaslydemann.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

andreaslydemann.com
www.andreaslydemann.com

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Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3LT5ZCOoQa0VuihDRi0s
HzaOZubw7EtFqlMaQgpW123lbUAEeIcMPAVDqqxMLTB8RNtSdPKyLdkBTvBL1Lts
hqgMLpOsmTrBGR+8Z/MfM1T96IdwOp96oYO8hYC5wikCg1hD3hIoT2R31Ay6BHlE
UwZtQFLx6/PGqBnVyzZ7fjYKwdd6UxwJ3P3utCJ8MtGfwronMg7IvUKHudehIYkS
tSfx5Rhy05VmakhFSi/lK9wGoJkk8AHxuwfH59NxS8HuLRYy9HRiqJp/PTHuJ28L
3DGB+Apnwu7tgkjSjvq5NGnVYAVgq4pJX4vOAUkXW7u6zXbPncV24dCde//zSt3Y
NwIDAQAB
-----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 431996695364541376137109726058163146425458
 . . . . . . . . [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 2023-11-14 04:01:14 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-12 04:01:13 +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 'andreaslydemann.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 27861668788872236550450951455634502319820792916412817048331423635033477160528662390053039846442363355748072026401203338333556707795892030495181873243284459789232624201685237429868707990245867275638039119358053351192961355887072968057678681946326215273717186739513702471114775926498925463886662976936967137533576870958240153747968348085944646183104233464580950610166585513185935582125062371487968343745127859392418949574603658201093085688747363567433928185590417184132894297692677498097630616343301497223946685953662999639058842834041774619812201769471352975756148054774307508666661315683844306949540080747093937739831
 . . . . . . . . . . . . . . . . . . . . [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)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:3|t:27|false]  
 . . . . . . . . . . . . . . . . [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 (48 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'andreaslydemann.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.andreaslydemann.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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f20077003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018bcc34806e0000040300483046022100e06c2cdd7fc9be3bdf04a27a042350dfa2d7eb47917cc0a393c95fb9b8210015022100ec7be009a8b0e793473f7780b24be0429273032163125fbe10b5521287e2d8c500770048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018bcc3480740000040300483046022100eeb311acd24c93b960022596d27037e9d531790ad4709172514bdd0e44faf46d022100865f1ab30868e59aca3ca746cfa307fa61665352b84b4f6279cc557188722929
 . . . . [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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