1011.co.kr

Issued by R3

About this certificate

This digital certificate with serial number 04:07:d5:e4:97:e1:0a:62:61:0d:99:3f:3a:5e:c7:65:30:a9 was issued on by Let's Encrypt.

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=1011.co.kr

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:07:d5:e4:97:e1:0a:62:61:0d:99:3f:3a:5e:c7:65:30:a9
Serial Number (int): 351115432782746889352627680898388395897001
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 2c:c4:04:15:9c:0a:39:62:89:8c:4c:b7:81:e0:a0:17:47:f5:8a:66
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): b4:08:6a:93:ea:94:12:dc:e6:68:6e:06:a4:66:e3:54:37:d6:44:e2
Fingerprint (sha256): 53:40:48:69:df:d2:a3:9a:84:d1:bd:d7:f2:76:3c:98:0a:a7:a8:73:23:63:86:7b:af:9d:d7:b5:20:c7:50:17

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

Revocation information

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

Check the revocation status for certificate 1011.co.kr

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for 1011.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

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

1011.co.kr

Other certificates including the domain name 1011.co.kr

(limited to 100 certificates)
1011.co.kr
www.1011.co.kr
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erp.1011.co.kr
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1011.co.kr
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1011.co.kr
ajaytech.co
www.optionparent.com
sabayadmin.tk
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erp.test.1011.co.kr
erp.1011.co.kr
www.1011.co.kr
itsolver.net.au
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sk-fa.1011.co.kr
www.1011.co.kr
erp.1011.co.kr
www.1011.co.kr
erp.1011.co.kr
erp.1011.co.kr
jira.1011.co.kr
erp.1011.co.kr
1011.co.kr
1011.co.kr
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www.sociedadedourso.com.br
platform-tools.1011.co.kr
erp.1011.co.kr
1011.co.kr
1011.co.kr
erp.dev.1011.co.kr
bug.1011.co.kr
www.1011.co.kr

Certificate

The complete raw certificate details for 1011.co.kr in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0TjJ2mJUtY9u6DbNNR+a
yK7xzuCzSwA0/EawPt+8WkoFGGa5PCiirQqbKaQYi6/xiitDQXORyggEWl3/aC5E
uySJOwydk8TweqjMj5JZD/RRS9lEPNj3LLxLKDo2+xpauGC1mfPZ4cs6K/qH+JZI
OULaG+R5bDGaecuXSnAEMx5BvyFX+HhYwqgJoCTc5B7vPv/oih90SW2iStJMSQL/
dzaJ31oX3xmKWXSDedB9ocQraCUh8v8q48Yy66QB8AlFPf+R9ywtcJ9fganj9/bh
y0umeD1HDYOfFXLjfqpCqm5Gok+aSVYMcTleDJHyi/P3yMXpNTRpbFRE5+GXMZdL
bwIDAQAB
-----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 351115432782746889352627680898388395897001
 . . . . . . . . [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 2023-03-29 05:21:59 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-06-27 05:21:58 +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 '1011.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 26411809185301690154916622113418694138634597461691335957600492462067881138253148629934440680551147345261751095475049085628126964830104097374314633317924928702634138855916260348669184145164523301376361889960664573644329204869527005502171783309811311549249605841179143529316235474324586052249951362754724637544968362271009818872706496361386983434963344524489269878236522860420414304951575858244016761746121670347874737594751812958344349796734247402395900220826986970964418246603964474422350188310378914652073665351585408360362494968538993282689243074428608850212486282293349348595121904834868296598709038379592739933039
 . . . . . . . . . . . . . . . . . . . . [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)
							2cc404159c0a3962898c4cb781e0a01747f58a66
 . . . . . . . . . . . . . . . . [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 (14 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '1011.co.kr'
 . . . . . . . . . . . . . . . . [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 (69 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 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 'http://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . [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)
							00f10076007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb52000001872c07c78b0000040300473045022100fc6b81fd20aa15ef680095fda88b6368af34786f4bbcd65035728f6f43ec19f8022025bf5bb1b4a87616d4217c99382d43335d1d9941409c34b4caeb7636c6d432e1007700e83ed0da3ef5063532e75728bc896bc903d3cbd1116beceb69e1777d6d06bd6e000001872c07c7890000040300483046022100dcd885ac81c3d9c4bbce2b86f0b4ed703fb062790bb2ebc4ab4f2e225f3ab3ac022100b3ba416a1a0e5e06b5762596bc8379fed133c90847f6f968a75f170db4d69320
 . . . . [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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