www.didimdolmath.co.kr

Issued by RapidSSL SHA256 CA - G3

About this certificate

This digital certificate with serial number 09:af:39 was issued on by GeoTrust Inc..

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)
  • Sub certificates SHOULD include Subject Key Identifier in end entity certs (RFC 5280: 4.2 & 4.2.1.2)

Certificate Subject

CN=www.didimdolmath.co.kr

GeoTrust Inc.

Organization: GeoTrust Inc.
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 09:af:39
Serial Number (int): 634681
Serial Number lenght: 20 bits, 3 octets

SubjectKeyId:
AuthorityKeyId: c3:9c:f3:fc:d3:46:08:34:bb:ce:46:7f:a0:7c:5b:f3:e2:08:cb:59

Fingerprint (sha1): d2:64:b7:b6:32:ec:71:6a:d4:1b:e5:44:98:47:64:1b:c6:bc:aa:ed
Fingerprint (sha256): 65:f8:4c:4a:65:7c:24:e2:59:6e:9e:2f:34:15:8f:5f:17:67:48:4e:d4:40:fb:17:4b:db:78:95:53:30:fc:ef

Issuing Certificate URL: http://gv.symcb.com/gv.crt

Revocation information

OCSP Server: http://gv.symcd.com
CRL Distribution Point: http://gv.symcb.com/gv.crl

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

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.didimdolmath.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

8 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

www.didimdolmath.co.kr
didimdolmath.co.kr

Other certificates including the domain name didimdolmath.co.kr

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

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA04OsFaJN/xsYImFfw+CY
tLzvYvHvpr8Zebxw8vZ2EG5v2h611BROoj1agAPRbauDC0E9Y2cXkGlPkgo6SoDl
c+bAYP+3j8rd8KipvtIsEXCBmLWjRCyA03D1Sb+T0fEfkO9zJMmCH+lw//lRfzo9
TFIIo+2vGcgd39ev0KeYn/91wS/JoGavUoOc09XLAv3IpBwa71HgI7k/yANW/GJY
VQPL358x0f4ooAHaKFdEYVoLrQI9nUJ4dHWWpS7sJ03mQ479UhXw3DtQO3cwV2z2
Ppa6YckbCqPhf8rlbf5uqg2SwAA026LNhBo9xhusKsWKKrzjWPQaZfps8gaharqn
pQIDAQAB
-----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 634681
 . . . . . . . . [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 '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 (organizationName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'GeoTrust Inc.'
 . . . . . . . . . . . . [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 'RapidSSL SHA256 CA - G3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-01-19 22:42:32 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-04-21 05:58:45 +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.didimdolmath.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 26701212332151116619804255156952690380107787645675970535663609411775445692969592172203994780518578842977713556494829875379231629309735613532771095096317503199587321880583261135631398604517893821263638625678272677495029904411847169349317451624297009933045557725280501295690250575019967241669306092814112393212863989873806605848917444466692425042292102842195571452544064866144271014923975116875572733764747218620157795017393246017367140013796604252240159522194619729196184758996425296673483609594436832837170607809007918260875431676762450579777830367973059197175099141202688415147163117318111990903193500611635157051301
 . . . . . . . . . . . . . . . . . . . . [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 (authorityKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName c39cf3fcd3460834bbce467fa07c5bf3e208cb59
 . . . . . . . . . . . . . . . . [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 (75 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.1 (ocsp)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://gv.symcd.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://gv.symcb.com/gv.crt'
 . . . . . . . . . . . . . . . . [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 2.5.29.37 (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 2.5.29.17 (subjectAltName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (46 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.didimdolmath.co.kr'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'didimdolmath.co.kr'
 . . . . . . . . . . . . . . . . [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 (36 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://gv.symcb.com/gv.crl'
 . . . . . . . . . . . . . . . . [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 2.5.29.32 (certificatePolicies)
 . . . . . . . . . . . . . . . . . . . . [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: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: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.rapidssl.com/legal'
 . . . . [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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