DV SSL/TLS Certificate for ypcf.or.kr

Certificate is witin its validity period

Issued by Sectigo Limited (Sectigo RSA Domain Validation Secure Server CA)

About the ypcf.or.kr DV SSL/TLS Certificate

This certificate with serial number 7f:fc:8b:1f:a5:38:a8:60:1e:71:f6:08:75:8d:58:aa for ypcf.or.kr was issued on by Sectigo Limited.

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 ypcf.or.kr 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)

Sectigo Limited

Organization: Sectigo Limited
State / Province: Greater Manchester
Locality: Salford
Country: GB

This X.509 certificate will expire on

Certificate Details

Serial Number (hex): 7f:fc:8b:1f:a5:38:a8:60:1e:71:f6:08:75:8d:58:aa
Serial Number (int): 170123236035176559542627289557942229162
Serial Number Length: 127 bits, 16 octets

Subject Key Identifier: 89:c9:4f:7e:ad:4f:0d:8b:c2:47:b1:fd:1d:1f:ff:7d:5b:f9:88:5b
Authority Key Identifier: 8d:8c:5e:c4:54:ad:8a:e1:77:e9:9b:f9:9b:05:e1:b8:01:8d:61:e1

Fingerprint (SHA-1): d0:52:79:76:0b:de:77:a1:07:2b:b5:a9:2f:d1:ad:42:2e:68:f1:76
Fingerprint (SHA-256): d1:16:fd:3c:bd:21:74:61:b4:b9:f3:e7:cc:fa:d5:82:a0:b8:69:ec:5b:6c:12:3a:7f:3c:8c:eb:c3:77:75:ed

Issuing Certificate URL: http://crt.sectigo.com/SectigoRSADomainValidationSecureServerCA.crt

Revocation Information

OCSP Server: http://ocsp.sectigo.com

Check the revocation status for certificate ypcf.or.kr
2
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for ypcf.or.kr

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
CA Certificate
This is not a CA certificate

Subject Alternative Names

X.509 Certificate

The complete raw X.509 certificate details for ypcf.or.kr in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIGLTCCBRWgAwIBAgIQf/yLH6U4qGAecfYIdY1YqjANBgkqhkiG9w0BAQsFADCB
jzELMAkGA1UEBhMCR0IxGzAZBgNVBAgTEkdyZWF0ZXIgTWFuY2hlc3RlcjEQMA4G
A1UEBxMHU2FsZm9yZDEYMBYGA1UEChMPU2VjdGlnbyBMaW1pdGVkMTcwNQYDVQQD
Ey5TZWN0aWdvIFJTQSBEb21haW4gVmFsaWRhdGlvbiBTZWN1cmUgU2VydmVyIENB
MB4XDTI0MTEyMTAwMDAwMFoXDTI1MTIwNTIzNTk1OVowFTETMBEGA1UEAxMKeXBj
Zi5vci5rcjCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBANHDRHR5uout
L9DjDYXyNk9r0iR7W90rKuCsf6epO7QrrCpBxPNPECCIkgzIRePTOeD4oo3YOWro
QkUxXIWB41afbqeoHwt1bTz+3vs/n1pLPVT5ZzH8CzIsSu8fwsZkXayFhRg5oWYI
BSxhDhZtfvdJ03zLVH+UqRNSbqRpwkRY+Lape1K/OWATSKwBewrL8scku798VAxT
i0orebt8m2y/i5U4wFSTLDGG+4VrgV8x+K0XZs4CM0SEubsuQ4TBtw3PUNmOF8Oi
thmUWZwvHaAHKUcjj6DLWYNK0oTUwNYOT9bQ8tE5INSAKHZEyVLFZomexkjke4Lq
pzMabT/7LKkCAwEAAaOCAvwwggL4MB8GA1UdIwQYMBaAFI2MXsRUrYrhd+mb+ZsF
4bgBjWHhMB0GA1UdDgQWBBSJyU9+rU8Ni8JHsf0dH/99W/mIWzAOBgNVHQ8BAf8E
BAMCBaAwDAYDVR0TAQH/BAIwADAdBgNVHSUEFjAUBggrBgEFBQcDAQYIKwYBBQUH
AwIwSQYDVR0gBEIwQDA0BgsrBgEEAbIxAQICBzAlMCMGCCsGAQUFBwIBFhdodHRw
czovL3NlY3RpZ28uY29tL0NQUzAIBgZngQwBAgEwgYQGCCsGAQUFBwEBBHgwdjBP
BggrBgEFBQcwAoZDaHR0cDovL2NydC5zZWN0aWdvLmNvbS9TZWN0aWdvUlNBRG9t
YWluVmFsaWRhdGlvblNlY3VyZVNlcnZlckNBLmNydDAjBggrBgEFBQcwAYYXaHR0
cDovL29jc3Auc2VjdGlnby5jb20wJQYDVR0RBB4wHIIKeXBjZi5vci5rcoIOd3d3
LnlwY2Yub3Iua3IwggF+BgorBgEEAdZ5AgQCBIIBbgSCAWoBaAB1AN3cyjSV1+EW
BeeVMvrHn/g9HFDf2wA6FBJ2Ciysu8gqAAABk0yOWkEAAAQDAEYwRAIgSreeMh5h
P3aHgmzxR/zoC8xizqCZ2rdk8MXT1Lw7beACICg/0I80qU4j4UvhAZqAIiy0ZH8/
l9bA8QlmTCTGek/9AHYAzPsPaoVxCWX+lZtTzumyfCLphVwNl422qX5UwP5MDbAA
AAGTTI5aFgAABAMARzBFAiEA9Rq/ov4h/zMAGm6e4btFT/eqbE3jMq8ov9Sdy0DF
ERoCIGi+Ivf9zUFzuFo4YrPyakOUjvk7ucWN6CIyhz1C8X+4AHcAEvFONL1TckyE
BhnDjz96E/jntWKHiJxtMAWE6+WGJjoAAAGTTI5Z7AAABAMASDBGAiEA360EzA7l
hPCnyTjWBZudiTQu0cn6p8nfXnr2+HGgAWQCIQDMAxiJgCfQLMxX7pFTk8UCe1Fa
MndTOQxpovPNnJIXNDANBgkqhkiG9w0BAQsFAAOCAQEAa1E0nAe0QINGDAm7NzhL
uPBWkO64A4gZyXbA+iSkRccTidTZHxEJ04VDBxaXd7Km3kIXk843IgMXiaAkMNbg
KCgV3EcyQDa6+kMObQlZn/sp/L9NcMvjsEJT6GKu/V5t2/AaYP/MaoUC0kXuAQx7
xqC2qK3QLKa9a0b0Orx69KGUUegRuFY26VoYJW606Gwxx461bE5ToJDx86d37hqR
mM5IxwmkJYIFW+p/i2jmS7PwAd/rR4PknfDC30bN8rUBpRsAt+3vyh3Zkw+dclOC
jm/VgYAzvxMggouuw/od/2H3nmuVdVcGYSQHVzbyzNwHMcuqnTqt3KRU4iilmlD8
dQ==
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0cNEdHm6i60v0OMNhfI2
T2vSJHtb3Ssq4Kx/p6k7tCusKkHE808QIIiSDMhF49M54Piijdg5auhCRTFchYHj
Vp9up6gfC3VtPP7e+z+fWks9VPlnMfwLMixK7x/CxmRdrIWFGDmhZggFLGEOFm1+
90nTfMtUf5SpE1JupGnCRFj4tql7Ur85YBNIrAF7CsvyxyS7v3xUDFOLSit5u3yb
bL+LlTjAVJMsMYb7hWuBXzH4rRdmzgIzRIS5uy5DhMG3Dc9Q2Y4Xw6K2GZRZnC8d
oAcpRyOPoMtZg0rShNTA1g5P1tDy0Tkg1IAodkTJUsVmiZ7GSOR7guqnMxptP/ss
qQIDAQAB
-----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 170123236035176559542627289557942229162
 . . . . . . . . [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 'GB'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.8
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Greater Manchester'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.7
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Salford'
 . . . . . . . . . . . . [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 'Sectigo Limited'
 . . . . . . . . . . . . [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 'Sectigo RSA Domain Validation Secure Server CA'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-11-21 00:00:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-12-05 23:59:59 +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 'ypcf.or.kr'
 . . . . . . . . [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 26480095682743507939097513112459409941723363075922757595583820514738577657034418907977617510033473457461668562495320557097073019131743140011724064982492456534786312792976352743859868345791235031801402456843462704798982195210875485929995317079684371629420319470057785562218592352322202207978750618260491442286660371969957474436364090292511551395517748985750580504032805083086642001474194867162281776191227160318951545656547994453383263418239521855130833015066380942250677767901322368175986435442821491891715972969896677066870184251922460700590681154885275327237825964738577783712392303551910034196989657866717634440361
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.35
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName 8d8c5ec454ad8ae177e99bf99b05e1b8018d61e1
 . . . . . . . . . . . . . . . . [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)
							89c94f7ead4f0d8bc247b1fd1d1fff7d5bf9885b
 . . . . . . . . . . . . . . . . [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 2.5.29.19
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.37
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.32
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (66 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.6449.1.2.2.7
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'https://sectigo.com/CPS'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 1.3.6.1.5.5.7.1.1
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (120 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://crt.sectigo.com/SectigoRSADomainValidationSecureServerCA.crt'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://ocsp.sectigo.com'
 . . . . . . . . . . . . . . . . [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 (30 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ypcf.or.kr'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.ypcf.or.kr'
 . . . . . . . . . . . . . . . . [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 (366 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (362 bytes)
							0168007500dddcca3495d7e11605e79532fac79ff83d1c50dfdb003a1412760a2cacbbc82a000001934c8e5a41000004030046304402204ab79e321e613f7687826cf147fce80bcc62cea099dab764f0c5d3d4bc3b6de00220283fd08f34a94e23e14be1019a80222cb4647f3f97d6c0f109664c24c67a4ffd007600ccfb0f6a85710965fe959b53cee9b27c22e9855c0d978db6a97e54c0fe4c0db0000001934c8e5a160000040300473045022100f51abfa2fe21ff33001a6e9ee1bb454ff7aa6c4de332af28bfd49dcb40c5111a022068be22f7fdcd4173b85a3862b3f26a43948ef93bb9c58de82232873d42f17fb800770012f14e34bd53724c840619c38f3f7a13f8e7b56287889c6d300584ebe586263a000001934c8e59ec0000040300483046022100dfad04cc0ee584f0a7c938d6059b9d89342ed1c9faa7c9df5e7af6f871a00164022100cc0318898027d02ccc57ee915393c5027b515a327753390c69a2f3cd9c921734
 . . . . [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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