DV SSL/TLS Certificate for jrtstudio.hu

Certificate is witin its validity period

Issued by Let's Encrypt (R11)

About the jrtstudio.hu DV SSL/TLS Certificate

This certificate with serial number 05:c7:d5:9a:38:f0:a4:19:6e:07:d7:31:ef:ef:14:f8:59:5f for jrtstudio.hu was issued on by Let's Encrypt.

With 2 subject alternative names, this certificate can be used to secure multiple FQDNs. This DV SSL/TLS Certificate is currently within its validity period but we haven't checked the revocation status of this certificate, you can do this simply on revocationcheck.com. We have found some issues with the compliance of this certificate, they are be shown below. We hope this DV SSL/TLS Certificate review for jrtstudio.hu provides you with the detailed information you were looking for.


We have identified some issues with this certificate:
  • 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)

Let's Encrypt

Organization: Let's Encrypt
Country: US

This X.509 certificate will expire on

Certificate Details

Serial Number (hex): 05:c7:d5:9a:38:f0:a4:19:6e:07:d7:31:ef:ef:14:f8:59:5f
Serial Number (int): 503561547007766871998992471475335531616607
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: 5b:e2:59:67:c0:e8:79:76:12:e1:3c:4d:b6:40:4d:45:1f:a1:61:dd
Authority Key Identifier: c5:cf:46:a4:ea:f4:c3:c0:7a:6c:95:c4:2d:b0:5e:92:2f:26:e3:b9

Fingerprint (SHA-1): c1:54:c0:31:63:cf:67:d6:0a:2c:b3:c6:6f:af:d7:0b:4f:d0:51:23
Fingerprint (SHA-256): b2:dd:92:be:3c:0e:65:3a:e8:7b:ec:14:cb:4d:3b:01:e2:f1:73:19:ed:8f:7e:01:d5:66:49:d0:5f:70:db:5e

Issuing Certificate URL: http://r11.i.lencr.org/

Revocation Information

CRL Distribution Point: http://r11.c.lencr.org/96.crl

Check the revocation status for certificate jrtstudio.hu
2
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for jrtstudio.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
10
CA Certificate
This is not a CA certificate

Subject Alternative Names

X.509 Certificate

The complete raw X.509 certificate details for jrtstudio.hu in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIFBjCCA+6gAwIBAgISBcfVmjjwpBluB9cx7+8U+FlfMA0GCSqGSIb3DQEBCwUA
MDMxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQwwCgYDVQQD
EwNSMTEwHhcNMjUwNjE2MTAzMDA3WhcNMjUwOTE0MTAzMDA2WjAXMRUwEwYDVQQD
EwxqcnRzdHVkaW8uaHUwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQC5
RyfxL8udTI5MWBps7LWQg7nM6ERUCJiyp+61/n7c+boK02TL5bBVRPah523axlw3
NjS8eRkj5hiJ5TIRH30f/g8OWNatRY5/mx4sRJO7nAKsU3MUMmOQz+sjQCTbejHW
1++OvTsyLHy5FkyPhBlwBSK5SDczo0erhtXUSxdETLzSsb1/GHMsCTb9R2EBjC8y
wf8G968/qAIPs7If8wB5j6U61KNqZ6M3Mh4q6zu4fpeUoqCNOcR4Vi2eNYWOI83D
HCXCc1bLfnpyeHJAsR8seS+gqq6RccciK6PSjYTLecZcfOeqcUwkISQfuIH2J67t
ZlihxK74Gh34eNcKMNcFAgMBAAGjggIuMIICKjAOBgNVHQ8BAf8EBAMCBaAwHQYD
VR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0O
BBYEFFviWWfA6Hl2EuE8TbZATUUfoWHdMB8GA1UdIwQYMBaAFMXPRqTq9MPAemyV
xC2wXpIvJuO5MDMGCCsGAQUFBwEBBCcwJTAjBggrBgEFBQcwAoYXaHR0cDovL3Ix
MS5pLmxlbmNyLm9yZy8wKQYDVR0RBCIwIIIManJ0c3R1ZGlvLmh1ghB3d3cuanJ0
c3R1ZGlvLmh1MBMGA1UdIAQMMAowCAYGZ4EMAQIBMC4GA1UdHwQnMCUwI6AhoB+G
HWh0dHA6Ly9yMTEuYy5sZW5jci5vcmcvOTYuY3JsMIIBBAYKKwYBBAHWeQIEAgSB
9QSB8gDwAHYAzPsPaoVxCWX+lZtTzumyfCLphVwNl422qX5UwP5MDbAAAAGXeH+a
mAAABAMARzBFAiEAxC0BgS6TNisPtYX4Nq8CKpSUeFmRN5P+NUAkGeKVINwCIDiJ
sS+58M8xFR45IUNK9Ugn+fKx5UNI/bVFk0WzQD4tAHYA3dzKNJXX4RYF55Uy+sef
+D0cUN/bADoUEnYKLKy7yCoAAAGXeH+ipwAABAMARzBFAiEA7zciALNK8hzr1cQk
PkyOOWGiOho0ulrkj1vRRRtyx4UCIDvCbyK+lTeLWJzQphrgO1bIdcLeXE/LwiT/
CkqWP7cuMA0GCSqGSIb3DQEBCwUAA4IBAQCG73fWB6RVgkKFuBVp3W6Eh9mW/+hf
T5j9FySN2Ct2mRNGUexVHTrOZWwZE7aQJenen+y1NvmYi2s5SUjAFOJkJ/eVkoTl
iOVVXBuiY+NBzei9GSVjU9Puxm33s3sNmojTy24Q97MQlttqLQorGTIeyMZVIPo4
monu12EAwcroU8LpvKpDaJ27iiQjU/fbFdYe0Jh43+ViCZwBdkpECXja9E2Vfwm2
6Q52e3L8EJVV1I/7AAyXPXUWN6T8Afs89JLB3pwCfAx9ocvDdBAol0+zIxV3QTzN
dTvN7XEER40a81HovzOkPLxWc6e/kEqX/4kpZY5/lIcaXjkbeLIWAxuV
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuUcn8S/LnUyOTFgabOy1
kIO5zOhEVAiYsqfutf5+3Pm6CtNky+WwVUT2oedt2sZcNzY0vHkZI+YYieUyER99
H/4PDljWrUWOf5seLESTu5wCrFNzFDJjkM/rI0Ak23ox1tfvjr07Mix8uRZMj4QZ
cAUiuUg3M6NHq4bV1EsXREy80rG9fxhzLAk2/UdhAYwvMsH/BvevP6gCD7OyH/MA
eY+lOtSjamejNzIeKus7uH6XlKKgjTnEeFYtnjWFjiPNwxwlwnNWy356cnhyQLEf
LHkvoKqukXHHIiuj0o2Ey3nGXHznqnFMJCEkH7iB9ieu7WZYocSu+Bod+HjXCjDX
BQIDAQAB
-----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 503561547007766871998992471475335531616607
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'R11'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-06-16 10:30:07 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-09-14 10:30:06 +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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'jrtstudio.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
 . . . . . . . . . . . . . . . . [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 23389174761899427410315931074695726418984933470707979498883242989413538369540027028866510792875620050653335070981681030858784433694524056482582555149611497498102636723216204131096605027460345848965746441007834100606562368272238596002723856855709057264967615103089080726048375787061034758144958779958059626150064828079094895533774444916374191413853276408494391178223553737801067760492736468232378550053836489388151683342514532002290635408617940469847735869724296902587600240535863945714767554289941253888896407228139293180317070984563865111258351577816345879198643647377217528670224168151736168398539816263332450588421
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							5be25967c0e8797612e13c4db6404d451fa161dd
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName c5cf46a4eaf4c3c07a6c95c42db05e922f26e3b9
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (39 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r11.i.lencr.org/'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (34 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'jrtstudio.hu'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.jrtstudio.hu'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.31
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (39 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r11.c.lencr.org/96.crl'
 . . . . . . . . . . . . . . . . [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)
							00f0007600ccfb0f6a85710965fe959b53cee9b27c22e9855c0d978db6a97e54c0fe4c0db000000197787f9a980000040300473045022100c42d01812e93362b0fb585f836af022a94947859913793fe35402419e29520dc02203889b12fb9f0cf31151e3921434af54827f9f2b1e54348fdb5459345b3403e2d007600dddcca3495d7e11605e79532fac79ff83d1c50dfdb003a1412760a2cacbbc82a00000197787fa2a70000040300473045022100ef372200b34af21cebd5c4243e4c8e3961a23a1a34ba5ae48f5bd1451b72c78502203bc26f22be95378b589cd0a61ae03b56c875c2de5c4fcbc224ff0a4a963fb72e
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . [c:0|t:5|false] NULL []
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		0086ef77d607a455824285b81569dd6e8487d996ffe85f4f98fd17248dd82b7699134651ec551d3ace656c1913b69025e9de9fecb536f9988b6b394948c014e26427f7959284e588e5555c1ba263e341cde8bd19256353d3eec66df7b37b0d9a88d3cb6e10f7b31096db6a2d0a2b19321ec8c65520fa389a89eed76100c1cae853c2e9bcaa43689dbb8a242353f7db15d61ed09878dfe562099c01764a440978daf44d957f09b6e90e767b72fc109555d48ffb000c973d751637a4fc01fb3cf492c1de9c027c0c7da1cbc3741028974fb3231577413ccd753bcded7104478d1af351e8bf33a43cbc5673a7bf904a97ff8929658e7f94871a5e391b78b216031b95