www.cotafa.co.kr

Issued by AlphaSSL CA - SHA256 - G4

About this certificate

This digital certificate with serial number 64:82:55:e2:73:de:9f:9f:92:9e:1b:81 was issued on by GlobalSign nv-sa.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate has already expired and will cause a warning or error message in the browser it's still listed on this site to allow you to look back on previously issued certificates. 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=www.cotafa.co.kr

GlobalSign nv-sa

Organization: GlobalSign nv-sa
Country: BE

This certificate has expire since

Certificate Details

Serial Number (hex): 64:82:55:e2:73:de:9f:9f:92:9e:1b:81
Serial Number (int): 31106066917148899510291667841
Serial Number lenght: 95 bits, 12 octets

SubjectKeyId: ed:58:07:02:7a:88:cf:e2:a9:a6:27:9c:92:25:b1:69:9a:d8:39:88
AuthorityKeyId: 4f:cb:ac:a8:c2:ef:ab:dd:83:6f:6b:bf:ce:98:3d:5c:58:25:76:15

Fingerprint (sha1): 5b:28:44:b5:bf:75:a3:32:51:7f:10:c6:c5:cf:38:29:3a:12:fe:f5
Fingerprint (sha256): 1b:65:cf:17:b3:b3:cd:d3:d3:7a:22:6d:2b:0d:40:9e:d4:6b:24:e9:54:da:85:88:ba:94:ae:a0:e3:b0:be:3f

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuB6u6sP8IBhb4Unm8hTM
C+uC8kcHgHT9ICjG/PnBGa7L8+mhIIkGstwNRGyhll6PTjbZw2lva4jK1XM4G+zO
TUn6QRb+M6yyNdHYi3rMazqGVw2TetwPppp+eeyKQ80DJi4dIAzoN/Kv/XrTaJfx
EF1ieOT9guHkoda3VIVgxiAv2SjegKHjgPpW+4xaik6e8C4zCtjOq7OfeYoIQ3Ll
swbi111iOpQhHe3N+QCSJ3paomIB8sNFcjiKpbt/h6AFIjH/LSuoMILnjFklBL0R
wmXcxS4Tg84zmRv6v+jdmsbRajO9HSmwhPBRKMwyWsLeuxnFujp1dFlMoQ3aVNbU
lQIDAQAB
-----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 31106066917148899510291667841
 . . . . . . . . [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 2022-12-09 08:17:52 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-10 08:17:51 +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 23242978597983586881817714110525607024795112520836239454062681927213579692968308108158782753848097055934412352804552345195778216140309825532945863836278008361591024690386927095497625254434253038694544093381412295833534998857906801945737399874275658139817473164006356795916889439112224053728173370781963225093233648993082204368144707832770077349596420720863289865207081810205986386805898678822455991952521700845641306025053436516332517338551486307826774108940650700052008332943125229324828134667577675453011266095628399200839093518170516343742823808480633517944169330677481641757680792977419330153658998701686663861397
 . . . . . . . . . . . . . . . . . . . . [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 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 2.5.29.19 (basicConstraints)
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.31 (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)
							ed5807027a88cfe2a9a6279c9225b1699ad83988
 . . . . . . . . . . . . . . . . [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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