ktartconcert.hu

Issued by R3

About this certificate

This digital certificate with serial number 03:1d:b0:ee:4f:c6:05:87:30:ce:f0:2f:84:d1:c5:80:f4:a3 was issued on by Let's Encrypt.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. 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=ktartconcert.hu

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 03:1d:b0:ee:4f:c6:05:87:30:ce:f0:2f:84:d1:c5:80:f4:a3
Serial Number (int): 271440227947897677589748207114348365149347
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: ed:4d:b6:21:47:20:59:92:ce:29:47:56:1a:e7:38:49:58:e5:a2:50
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 3a:f6:1c:59:cd:2d:86:33:e1:ba:5c:48:73:4b:7e:4d:56:60:a0:ff
Fingerprint (sha256): 3f:67:74:3f:2b:cd:c8:47:ea:86:1b:65:04:0c:02:a1:40:8a:7e:5b:e1:ed:7b:88:27:64:54:f3:68:bd:7f:3f

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

Revocation information

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

Check the revocation status for certificate ktartconcert.hu

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for ktartconcert.hu

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

ktartconcert.hu
www.ktartconcert.hu

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Certificate

The complete raw certificate details for ktartconcert.hu in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2VnZyFzL7JhSrdCz0soq
/hTyxwvfznIANz0chk+nRqtN3VUzc3PokD4Crb7ZywsKWo6ynF1HtvQM3gCq0UbR
lJeUY6xkbvSW20os6XKsRKGVm2NMDU3omH6vYTpuEnIEB9WddnwlfsPXcFXT4l10
eo9GCnOGQQxXXiFDlmjuk3A3BV8OdyR36ehK1xm8DvFgd9JW3qr+dVCBbxHCoiYE
1XQrk3Q878CWATdAVPuXQPY0vBj2BzqvHXmFzyD5pIDwAGG5BX8piWoUYaMBVYwH
fhl1Vm+F2iVBZ0FE5AkQ3foh5P1oU4LnMgzSqlxq9S6VEC6cgliC0iRSaeqjdzQm
rwIDAQAB
-----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 271440227947897677589748207114348365149347
 . . . . . . . . [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 2024-04-08 05:45:04 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-07-07 05:45:03 +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 'ktartconcert.hu'
 . . . . . . . . [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 27438019215826690202532241354606010550842710277518147911996879907399858798917210589842085643550252364070172382784096616113401018287034712438452680230824043166130304428108264934223972302437130226072197536038271819783305776530393112855626978782124284718296663694436362015300741861516557229973244852405801908811737963602138115213687327011435888986905974844185656806845125526944516960328525377913205895679629124339370580501149989304447049559336898948076596014396247247673381989512242599790390835504975473585546524526368440950886013535366350906966345522232950349953388453910292829179126782049874838781598047886767654446767
 . . . . . . . . . . . . . . . . . . . . [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)
							ed4db62147205992ce2947561ae7384958e5a250
 . . . . . . . . . . . . . . . . [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 (40 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ktartconcert.hu'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.ktartconcert.hu'
 . . . . . . . . . . . . . . . . [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)
							00ef00750048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018ebc7406e4000004030046304402207bd49fe048b95837c028f3178e063c0380aab0265294c634e29f51b371bedc8c022076ec14a524bc2c77291191cf4401af90e967fc5ab84f4b2ac72828f77c9d36870076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018ebc7406f80000040300473045022100996aa8cc438124e2699febb7e16d3b8a7268aef0c90ca125ccc924f1ceb9b18e02203fc37845ef64ad686cc7df255a54db98906776443fc84d71ddc7349ba2a9318a
 . . . . [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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