woodongsu.com

Issued by R3

About this certificate

This digital certificate with serial number 04:3d:47:29:49:d8:27:1a:13:2c:11:8b:c4:c3:ad:6f:19:2b 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): 04:3d:47:29:49:d8:27:1a:13:2c:11:8b:c4:c3:ad:6f:19:2b
Serial Number (int): 369300957678831447420315653655723152185643
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 9d:c5:70:2e:b9:1d:ad:47:be:2e:ed:df:1f:64:7a:5e:2c:4b:cc:e3
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): cd:25:d1:ae:48:20:5c:85:33:cc:61:12:ad:eb:83:fb:92:d7:6c:80
Fingerprint (sha256): 59:90:c4:da:25:c7:df:01:9d:95:0e:75:0c:eb:03:73:bc:3a:6a:aa:b5:44:d8:4f:54:2d:71:74:7f:73:7b:d6

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwA+AEe2pQibN6nyNm1AQ
hNfXZPObC7nFh0sHjqsL00YC+NcAzYu6Rab6a0XWprv2dlHcT3p24wnvWrZEgDgJ
P3rgrPryBT3g0qtbJnQgmHAgKe7Tqec38mNoeZshFwIq+r/GB0kd98cWlmmLOKpM
7urIvYYoKQyvd44AVyDgSi7aDMnO52YAiPRTV3GlseiliS5hcNV3lLslJ64YgXbQ
I6Oqw9ELy6++xHBCkjYOlKcimw+ebM4BXN1j5yXAlUq72aDzJo9ZW7L5DqABBEGj
QaefE1jAQD+1I9jxjyKD6MZc0q6XrHNcKmTae1J/hh+bk8vksaZQNPQwKVX3LCHM
QwIDAQAB
-----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 369300957678831447420315653655723152185643
 . . . . . . . . [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 2023-11-30 02:01:01 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-28 02:01:00 +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 24245398023254237454864604009773169319288729781031642730931191807910287072422216782216552751756347520945882034787265424380853506900147522314906088865540199789284199115198959466579464125976434852660216540845275356087324483555914896678303693669912573082874726011165851544502938725611334920360184268943683774736382494685973846645644581680078674773387158659256273755433560281887375287216035944222236898466022587487340936375555561354342015197344060185683094057735250936482779626664195024887624574494226321244166723168859985050318600674398293476672664337334394535004095020586082715915152993521523919286991448195515214318659
 . . . . . . . . . . . . . . . . . . . . [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)
							9dc5702eb91dad47be2eeddf1f647a5e2c4bcce3
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f10076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018c1e2c32a5000004030047304502202c8f46cd17ae4130513cc3e5d0ee21b8f2ef20c64585a484ebb259ecfe2b1bef022100d799b0448c241dbcebfd057be2876084510692ac7a9a0aa52487d5878f195d12007700eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018c1e2c328a0000040300483046022100dcb3674ece80d29bf9ec8f6afd73663fae77d986e70d251f5c54e406358c346a0221008e95c902d2282cc5298c8d80b5e150e073770847af26e3da8eeb314cc3a892bd
 . . . . [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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