halvar.at

Issued by R3

About this certificate

This digital certificate with serial number 03:f4:54:db:22:f4:40:b2:cc:2e:d0:d8:54:4d:fc:10:9f:e3 was issued on by Let's Encrypt.

This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com. 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=halvar.at

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 03:f4:54:db:22:f4:40:b2:cc:2e:d0:d8:54:4d:fc:10:9f:e3
Serial Number (int): 344478548297601298456797782571778869075939
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 69:22:a3:d7:82:0e:e1:5c:86:e9:c3:6d:62:c7:be:69:d8:37:69:26
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 95:cf:a4:c5:e5:20:27:b2:05:a2:80:5c:26:5c:51:27:19:5f:9d:08
Fingerprint (sha256): 31:a9:76:7d:e3:30:d9:29:eb:94:aa:c8:6b:9b:71:ee:6e:f6:15:8f:f6:72:59:bb:05:ad:6e:1f:10:40:a7:1c

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

Revocation information

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

Check the revocation status for certificate halvar.at

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for halvar.at

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

halvar.at

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Certificate

The complete raw certificate details for halvar.at in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEApuqr3Ry9jySpdmJqEIAx
QJPMcDmn1bvzhulhT8zKEb12kcYmu6yiTA/RX2PpTY/wuqi7M+9z7ipHeeDYR16A
Rolu5yLg9v88s3F8yyVmjFCM6u+1qOsIi3E3v5pvvhSiBc5lB5Cs698SQUZjCPJU
hxGyx1u8oFf3yERvbpiFUlh1QzCADux1Nrqj8Nz7ANMJfvIXZBU/FH9YLHhYYAZ5
YlKbqoAT5gHR1eAnuTKWpUYe1EZ6yWfDBzMg97kubcnKJQ36dAnbVNDOuKjmIYCS
BzOvSTBaqqnHQCdyP3+hf5EcrZM6fRYQeMNCQnkEVmfsBGfLwSn2Z6nz9wSyGORI
ZwIDAQAB
-----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 344478548297601298456797782571778869075939
 . . . . . . . . [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 2024-04-06 14:53:35 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-07-05 14:53:34 +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 'halvar.at'
 . . . . . . . . [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 21071279376400625404526991473873153603227519873190925303415074615959801298875254525424985988848335044917720517551475709444829492384049541397696712200378441808316694218157254453394084184390807461150048578696408154432787594512048238437761182223533927242162145560502896771795692589456515809083223114261618673209805767258247072263211979364216983328862659026889494927797506170029310175309883231415637750424721936701531435775411850822487006373645618202910388422120250518674547796321123116094254646780898508270921890819519109749481759079874013737904277015751590342105959361271093527564460316906281007381561315368571064567911
 . . . . . . . . . . . . . . . . . . . . [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)
							6922a3d7820ee15c86e9c36d62c7be69d8376926
 . . . . . . . . . . . . . . . . [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 (13 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'halvar.at'
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef0075001998107109f0d6522e3080d29e3f64bb836e28ccf90f528eeedfce4a3f16b4ca0000018eb41d7d4a000004030046304402202e7079b70da4cc66c46c22150f5a1edced3c871055e585eaee83f245ae5a4a1202206f9cc7a9f703e3a9b091885b44d95a018a506839eea8ad78fa4b853ab7bb267f00760076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018eb41d7d800000040300473045022005dd95fd51e21c6fd9631abeddc925f29074382622bb0ad2e4631ec24e3bf148022100df3f8ea4ee846b249b3a1beb772f6ad8d9300c134d47daafd37eb8e9b96ef7df
 . . . . [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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