woodongsu.com

Issued by R3

About this certificate

This digital certificate with serial number 03:a8:e2:53:18:34:7d:d1:be:e9:ba:11:e4:86:aa:1b:9f:2e was issued on by Let's Encrypt.

With 12 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:
  • 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=woodongsu.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:a8:e2:53:18:34:7d:d1:be:e9:ba:11:e4:86:aa:1b:9f:2e
Serial Number (int): 318805132416621685311354995166879762063150
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: cb:7d:83:38:fc:73:1b:8e:71:49:c5:9a:64:15:68:7b:ca:b0:6e:e4
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): e4:c7:2b:1e:73:b4:bc:32:f9:bd:0e:33:3f:00:6c:55:b4:68:b0:fd
Fingerprint (sha256): 9d:c6:e1:01:f0:9f:cd:8c:3a:b6:bd:44:df:88:9d:07:82:1d:b1:12:e4:f4:1a:91:40:4e:68:c6:aa:a4:de:81

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate woodongsu.com

12

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for woodongsu.com

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 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

admin.woodongsu.com
affiliate.woodongsu.com
dev-admin.woodongsu.com
dev-affiliate.woodongsu.com
dev-event.woodongsu.com
dev-term.woodongsu.com
dev.woodongsu.com
event.woodongsu.com
static.woodongsu.com
term.woodongsu.com
woodongsu.com
www.woodongsu.com

Other certificates including the domain name woodongsu.com

(limited to 100 certificates)
link.woodongsu.com
multistreamers.com
api.woodongsu.com
www.cfsyardarms.com
alan-henry.co.uk
*.woodongsu.com
woodongsu.com
woodongsu.com
miladegroups.com
signin.statusfy.com
woodongsu.com
one-education-advisors-stage-8.ischoolconnect.com
www.kapota.in
novaizolace.cz
api.woodongsu.com

Certificate

The complete raw certificate details for woodongsu.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAkTcZBCVIgUTBtXVPbNA3
vNkqCcyIfB/uLG3A8nL8Hizvd3riUNbx75+QmsexaM5dw+LvgPJnCKPD+mgt7kAL
t1MyBqTxp/X7k0cqoTdbe+9c4XXoVarrC3HdAdIc4IgoLUCxjo8kmshVIS24FRUO
S9CwvVIGInlDyZHeQIpzU5dxRfbsQW5XArh++oHGO174tkW8ntizJ7D96GwnbVFF
PusTpJACn/HZInMV3JNZSfP+t5rzv+DAg7+5qQduuhVVDrl0qkcOPIYWM4+ejdVc
UpCfTKpVREqfkmxcRhrWhHYx6nmbzZuH4HuwjA8u7rEy7O1MjjoADwpzvqlrF3VW
RQIDAQAB
-----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 318805132416621685311354995166879762063150
 . . . . . . . . [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 '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 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-29 07:55:40 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-06-27 07:55:39 +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 'woodongsu.com'
 . . . . . . . . [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 18331723918196120211162876184648314582324618107572135989640628355400830276505544979762512363090072041142776748328544710186126075156108467279413965867546146439382626755822215164943881574295509630751673034943135242121634647123030904545793354387267183973095980141182445222968725091488630389361528658975054502109465196907011622904721473558802444265687725295817372380310703788901093449932963762014212034708170063257134360197191083183903406885358567709437647054394541868599627953756808155281993500115738218006660061566767434494858271956129086089718794852392145384390405230856575413028453143834394984589936444651450630755909
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.37 (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 2.5.29.19 (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 2.5.29.14 (subjectKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							cb7d8338fc731b8e7149c59a6415687bcab06ee4
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://r3.i.lencr.org/'
 . . . . . . . . . . . . . . . . [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 (269 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'admin.woodongsu.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'affiliate.woodongsu.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'dev-admin.woodongsu.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'dev-affiliate.woodongsu.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'dev-event.woodongsu.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'dev-term.woodongsu.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'dev.woodongsu.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'event.woodongsu.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'static.woodongsu.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'term.woodongsu.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'woodongsu.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.woodongsu.com'
 . . . . . . . . . . . . . . . . [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 (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 (Domain Validation Certificates Policy)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f00076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018e896c01d70000040300473045022100e9bd777badb6b65be4d34ef69f47c5febfd2f4d0ff2510e0c7afae1c8a12d83402200aeb0acc9d588ade2bff0e27301d18585bd967b9bfafc6e6e41effe3379fe39300760076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018e896c021a000004030047304502206401c2fe00113fae36fe1cb64c9386aa0b2cba8668b3a240dabad62a032db0cd022100852b8d3eebeefe234e996765b7c7e56088aba5e474344c2166fa2c3d065a2fab
 . . . . [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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