1011.co.kr

Issued by R3

About this certificate

This digital certificate with serial number 04:0a:f3:57:03:03:41:39:e7:be:96:5c:23:e1:c2:85:66:f7 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): 04:0a:f3:57:03:03:41:39:e7:be:96:5c:23:e1:c2:85:66:f7
Serial Number (int): 352175421590157898135538934592378495133431
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 06:aa:10:a7:e9:00:60:d1:49:33:dc:ec:3b:07:6f:85:c6:0b:c3:02
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): fe:c0:bc:c1:c4:dd:2e:01:36:58:c8:2a:93:d0:96:27:5e:26:4e:07
Fingerprint (sha256): 22:3e:2c:d3:03:db:7b:0b:60:f4:ba:26:2d:20:8f:1a:02:24:27:08:23:8a:66:17:7d:9a:c5:6a:f2:1f:b4:96

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
erp.dev.1011.co.kr
erp.1011.co.kr
erp.1011.co.kr
1011.co.kr
erp.1011.co.kr
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
erp.1011.co.kr
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
erp.1011.co.kr
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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwvM9RTqj/QT+kpicPgyh
hO4Tox8V2PeJoG1kwLCNlBH8okECnLjsrjtwI2gtczx0guN2ba6qAvVKMELd0uZp
gd9g5LVz2D5U4/uZK7TY82dWgtmO11r4+a1Vk4EM5XbnTQ/zTVtlsCaueq0tLh9j
AGS5lDI6daXxRNsjoJkIrCKwvFHfJTF5dTmalF3d1lpRyTkFOiNEWyFf7/UjXqA6
ceTXEe5A30gsp4F3Bt3ZYMO9lRnul1uT7uaCuX7QfVpnb3ZpnsKwSEZoHdCl55vf
5+T1OXrovbWPQpdBktoUW7S2snCmPdtubsA429f62ZSOGylsGAsxStBE/u/Pymo9
QQIDAQAB
-----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 352175421590157898135538934592378495133431
 . . . . . . . . [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 2023-07-28 03:56:29 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-10-26 03:56:28 +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 24610176951227501697583716783522437695650707640791297662243446606573210525530875015693727534801345587555133561800922611479148674094887061806556877506833824328998196050441214527154976713882583518550510087769468380926839181742905058540243031070319831027457222093540414906078142965561078579375354883887308454758254935274550603988016385246722534806913159462253350852177100941610943972123754210052953660580538040348355352577924200461223967472389875318595784551437474462330387142504692419478081431088503607817743695121125183452529396894044843661170689561778932461128401925900630385583276608831086336337202409641012657536321
 . . . . . . . . . . . . . . . . . . . . [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)
							06aa10a7e90060d14933dcec3b076f85c60bc302
 . . . . . . . . . . . . . . . . [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 (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)
							00f00076007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb52000001899adafc9d000004030047304502204c060af6c6515a055a6bbac5bbd1dc2c6bade216bd1864fc54f483aa8943391d022100f7cea2e4af8bf72abfa1de99ddf2b1459aefec0b2f8afe619eda1e9ddcc30932007600e83ed0da3ef5063532e75728bc896bc903d3cbd1116beceb69e1777d6d06bd6e000001899adafcbd0000040300473045022100c4af410f3b955c606fe972d0fc5ef77dbba1d0df934cbad944ce1a6d8c7c020002205b9921e2122895867f4fa3c03c22f07eb2c58ed7a6595a82503500fc1b1716a4
 . . . . [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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