woodongsu.com

Issued by R3

About this certificate

This digital certificate with serial number 04:72:a2:38:ee:34:17:60:eb:d0:5f:d9:6b:2a:45:9f:2b:bd 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): 04:72:a2:38:ee:34:17:60:eb:d0:5f:d9:6b:2a:45:9f:2b:bd
Serial Number (int): 387456964091309791188621751015234672208829
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 78:c2:f4:83:15:c3:b0:b8:db:00:a0:85:43:cf:ca:37:ff:61:7b:a7
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 50:bf:50:97:c4:53:d1:64:ba:f9:42:ab:3b:e6:a4:e0:c2:51:e8:c4
Fingerprint (sha256): 68:db:0d:f1:2f:29:7d:c2:ca:82:7d:5f:0d:79:56:c8:bb:b4:11:48:85:f0:76:20:05:9c:da:c2:f1:3d:3a:6b

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAnMJhkVUX9Vl0mbtwTqUY
0dPFjNuFY62rh0/6pu0gPJf3U9tE8fRHk+NI6iOIXTh9mEWw2wUgHnsp8ytnxLWW
slNyprFVL/Hhb7Rn4lsZNDM8wjjVWwo9St5DkUfAneKaZk890Hn3ZylWukgfchec
4wmgeynehQ5WKNI8TniWsJyeM99kzzt/qJ06DgpCWJOw493UYXn0S77Vc9MAsFS3
PrnSqiVRcSl8Vlt7MPK/8T7OfWSvfNQMyepml4RqKywNsht79hHoDtZ31cJyGN1p
xydnnmIKQ9g6qD6fSXl4lOukdSuLtZd4r54YEMqQJhSePCIsdru5hknipRULRFLD
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 387456964091309791188621751015234672208829
 . . . . . . . . [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 2023-09-30 19:05:06 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-29 19:05:05 +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 19789028479360478772716157380921754118474952666992747580740200419985849764461256583556852839849722452785322877175139324037536126067082683095278456327206991644174093845012251162522988998325986691074896637560530394610169287002649668652500728951274509434856927667800497062267619051985601402501975398356739674139235705390637863994070672548490292989010021200645898439610019205087982107142476635667149925794190213708339157606827363746968006472615810149672723403072967799071437080684373287476183348871046351999258754016151161949392998340556634324601751043264936994680951398382513666000619804844075636624817127244060270183341
 . . . . . . . . . . . . . . . . . . . . [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)
							78c2f48315c3b0b8db00a08543cfca37ff617ba7
 . . . . . . . . . . . . . . . . [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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f2007700b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018ae7b1d7c100000403004830460221008ca88a20bf478b23e96e5c9a6c37ab992e49b1a9b40263ebf4ffc8811b06623a02210080195e69a635883a9b63811bc66585ef7a1ef3225787bc9b83f9f04e31a107d7007700e83ed0da3ef5063532e75728bc896bc903d3cbd1116beceb69e1777d6d06bd6e0000018ae7b1d7ca0000040300483046022100cf17c19196e7d77973b9e65c2c78bedf2aec7172d15d3ee289c3d18a90d49fe6022100c909dc87f55c05c224b5b3ccada53eddc3e82aba27ff57cf3502ef566baddbf2
 . . . . [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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