DV SSL/TLS Certificate for jongho.org

Certificate is witin its validity period

Issued by Let's Encrypt (R11)

About the jongho.org DV SSL/TLS Certificate

This certificate with serial number 06:b1:75:13:7e:8a:79:18:0e:92:89:d5:03:f7:d2:4e:3e:d6 for jongho.org was issued on by Let's Encrypt.

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 jongho.org 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): 06:b1:75:13:7e:8a:79:18:0e:92:89:d5:03:f7:d2:4e:3e:d6
Serial Number (int): 583059315431269308487918682789633403535062
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: 6a:00:bb:b4:8d:a8:38:ad:cd:3c:11:e5:1f:74:03:ca:b3:3e:0a:a4
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): 62:7c:8c:89:96:ae:f4:1a:35:af:87:7d:7a:94:b4:7a:4d:b8:ce:2a
Fingerprint (SHA-256): 39:a9:fd:d5:0a:fd:12:26:80:5b:90:5d:64:51:49:21:fa:4c:3e:b1:ed:13:9d:a9:b4:ab:8d:a8:9a:92:d8:bb

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

Revocation Information

CRL Distribution Point: http://r11.c.lencr.org/87.crl

Check the revocation status for certificate jongho.org
1
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for jongho.org

Public Key Algorithm
RSA
Key Size
2048
Signature Algorithm
SHA256 with RSA
Key Usage
Key Encipherment
Digital Signature
Extended Key Usages
Server Authentication
Client Authentication
Extensions
10
CA Certificate
This is not a CA certificate

Subject Alternative Names

jongho.org

X.509 Certificate

The complete raw X.509 certificate details for jongho.org in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvYBOIXiCfZQcNj94rmWU
TGNxnysdfpuf3Ecf4L6M45lRAVCWS6+dzOGXhJ1qv/i4Ika9KReRQhpXJW9Zr0CP
UkuC4c95kJIKTsmOssTN7sFycdZWotBk1lzkrZ22NR2dg1hJ8qYq4MqPqDqUvAcq
z1i68hGiLDwtk9dP5QtvLkP5setB1lExekk2jB7gGUmfiaYlx/zRiXVVew73U2pa
7GvHGGW/ERnw0Blw96Eco52xyPxI2gv+kfzmZMSON5DlXDwwYTB2eFd4cbvylQOk
9rnZUNyRbo2OVUmelfzvS1vBweN1FfnN4CB1ZkZ26T4A/d3lG2pgq2C+UOHToHUX
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 583059315431269308487918682789633403535062
 . . . . . . . . [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 2025-07-01 21:01:01 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-09-29 21:01:00 +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 'jongho.org'
 . . . . . . . . [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 23922309289921028746969158639872765737023500907975702455935459867106608513653631839115345822267594740344857569642443723269792299239155116359997844672765958127520260460416516208687186685861193261355850426130170622834186166086704245030629755273376912845558912275676082124456845890169436633759368078513354278339485570135494252838275888684958655174232910218739984976924823324694658576802160217759440391935198167144041620808838901061229660010609575558442898987094423681667012778507271807085495700231451987204293301513295860282414998788346746150667757855536806445538381939977774236917241998988181429279574476571748055979781
 . . . . . . . . . . . . . . . . . . . . [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)
							6a00bbb48da838adcd3c11e51f7403cab33e0aa4
 . . . . . . . . . . . . . . . . [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 (14 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'jongho.org'
 . . . . . . . . . . . . . . . . [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/87.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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007700dddcca3495d7e11605e79532fac79ff83d1c50dfdb003a1412760a2cacbbc82a00000197c80098100000040300483046022100fc240d960840595ac62de404de21004a457fce3de99d65bd8316744f9379ce51022100b5de9da6cacfdb4beaad9d7b7f1e7b65ecbd271c5c802e944eef3296438de90b0076000de1f2302bd30dc140621209ea552efc47747cb1d7e930ef0e421eb47e4eaa3400000197c8009fa0000004030047304502204736e75ead1ac0668a0437fa8f7be4e1f77719128a5df151cd9ddbde7e7df17c022100d8b9afbcb8f33bac290b247ee144dc741d5f4107cda0e238ce663d6654fd65e4
 . . . . [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)
		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