www.cotafa.co.kr

Issued by AlphaSSL CA - SHA256 - G4

About this certificate

This digital certificate with serial number 49:8a:6c:55:cd:9a:8b:d3:fe:af:9f:e1 was issued on by GlobalSign nv-sa.

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=www.cotafa.co.kr

GlobalSign nv-sa

Organization: GlobalSign nv-sa
Country: BE

This certificate will expire on

Certificate Details

Serial Number (hex): 49:8a:6c:55:cd:9a:8b:d3:fe:af:9f:e1
Serial Number (int): 22759749078433712696829386721
Serial Number lenght: 95 bits, 12 octets

SubjectKeyId: e3:a9:05:95:79:b7:3c:ee:5c:4f:77:0e:f5:32:a9:7b:75:f0:05:90
AuthorityKeyId: 4f:cb:ac:a8:c2:ef:ab:dd:83:6f:6b:bf:ce:98:3d:5c:58:25:76:15

Fingerprint (sha1): 9d:1f:a0:1d:80:bb:ab:dd:53:67:db:cc:67:20:8a:37:5e:ea:94:b8
Fingerprint (sha256): 9a:80:96:13:ab:d5:8b:2d:c7:2a:07:ce:5d:ed:a1:4b:10:2f:13:2d:41:7b:ac:f8:a3:bf:82:07:44:38:f9:f4

Issuing Certificate URL: http://secure.globalsign.com/cacert/alphasslcasha256g4.crt

Revocation information

OCSP Server: http://ocsp.globalsign.com/alphasslcasha256g4
CRL Distribution Point: http://crl.globalsign.com/alphasslcasha256g4.crl

Check the revocation status for certificate www.cotafa.co.kr

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.cotafa.co.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

10 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

www.cotafa.co.kr
cotafa.co.kr

Other certificates including the domain name cotafa.co.kr

(limited to 100 certificates)
www.cotafa.co.kr
www.cotafa.co.kr
www.cotafa.co.kr
www.cotafa.co.kr
www.cotafa.co.kr

Certificate

The complete raw certificate details for www.cotafa.co.kr in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAujqEGXQ+C8s2qkyxuyki
ASuzbl8e6s7VqCp8ETfe0VPYHA4RefnAfWM4ShCDK3SIJHix+HXRRMWnWatbbfU2
VK0WdW/HB9HCw5Rkq/apU3Rm2FHBf6utN+diNLCUpHBcl/3nnDMm+3+wibNlH3cS
QIX3MDv0U4OVkq65uxJXIOizQYPLC0d3cXf/9FvX+DpEfGl+Jdc+ERsnIY079Xze
QWGzFfs1BGIWoyf6AGguEZ8HmQ6SN/I5Ogj2a2rpcu85oPpyxpP6VOegPw9HEIY0
OeeMl20RCfSIEldQKN4/XK/OvcvzlzITbwBM6ovseDmmQu2pJClbPQoXRx0Q0UGf
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 22759749078433712696829386721
 . . . . . . . . [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 'BE'
 . . . . . . . . . . . . [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 'GlobalSign nv-sa'
 . . . . . . . . . . . . [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 'AlphaSSL CA - SHA256 - G4'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-13 01:42:10 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-01-13 01:42:09 +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 'www.cotafa.co.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 (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 23509180045346177296435487631484609855582453569447247039838143397856479612567599390218094411234096959716667300350368950790895317385651404851337424133597404499405224716186209211844400757476537322131608633800627728093469329105373268005822406045586065816899639049462045116767170078612052837739344828804160384849613730504555119751315149135961166605880539104705519915323433443821137827587247979156519965522114210381493376754240670703939142614601214150600345913252264022235930977850591593987236298887621976141682579217417124544726597143298479846811009279665613186549854955989319025249895758023774087642417744092526786223877
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.19 (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 1.3.6.1.5.5.7.1.1 (authorityInfoAccess)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (134 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 (caIssuers)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://secure.globalsign.com/cacert/alphasslcasha256g4.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 (ocsp)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://ocsp.globalsign.com/alphasslcasha256g4'
 . . . . . . . . . . . . . . . . [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 (80 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 1.3.6.1.4.1.4146.10.1.3
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 (cps)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'https://www.globalsign.com/repository/'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.31 (cRLDistributionPoints)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (58 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://crl.globalsign.com/alphasslcasha256g4.crl'
 . . . . . . . . . . . . . . . . [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 (34 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.cotafa.co.kr'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cotafa.co.kr'
 . . . . . . . . . . . . . . . . [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 2.5.29.35 (authorityKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName 4fcbaca8c2efabdd836f6bbfce983d5c58257615
 . . . . . . . . . . . . . . . . [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)
							e3a9059579b73cee5c4f770ef532a97b75f00590
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.11129.2.4.3 (CT Precertificate Poison)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [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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