lrc.cn

Issued by R3

About this certificate

This digital certificate with serial number 03:b8:70:4d:08:b0:0a:18:e3:58:ed:14:9a:8b:33:da:08:a7 was issued on by Let's Encrypt.

With 4 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=lrc.cn

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:b8:70:4d:08:b0:0a:18:e3:58:ed:14:9a:8b:33:da:08:a7
Serial Number (int): 324098086827325993346284609062946360395943
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 22:38:2d:dc:db:60:bb:4f:28:e1:91:0d:a6:78:8a:e7:58:61:4a:ef
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 8e:3a:b2:a6:26:e0:5e:20:02:18:4b:43:70:7b:c8:45:ed:3c:a6:e5
Fingerprint (sha256): e8:ba:8f:f4:1e:50:9a:39:43:ba:a9:c7:6c:64:f1:e2:4f:e4:a5:74:d0:44:ed:de:3c:03:21:16:34:51:3c:3e

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

Revocation information

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

Check the revocation status for certificate lrc.cn

4

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for lrc.cn

Public Key Algorithm

RSA

Key Size

3072

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

en.lrc.cn
lrc.cn
sso.lrc.cn
www.lrc.cn

Other certificates including the domain name lrc.cn

(limited to 100 certificates)
lrc.cn
lrc.cn
lrc.cn
meetings.lrc.cn
lrc.cn
*.lrc.cn
lrc.cn
lrc.cn
lrc.cn

Certificate

The complete raw certificate details for lrc.cn in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 324098086827325993346284609062946360395943
 . . . . . . . . [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 2022-12-18 03:22:38 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-03-18 03:22:37 +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 'lrc.cn'
 . . . . . . . . [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 (3184 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 4315509149695881039996314578350205573563230202949226025808862733936183055450253930463954110420987050754218317118539660818900709756538876282561945503237090047008558302761117136519458787822269311272637347050800415013864413796868951836596757671789489825080600861347683098333169608518023134992509493142762890134016490255709505691789624558111492918223177019281825765354822795421526608301446009608078221536830195175585501550328759326960310827683230050987756485023378160490299495271511780059580525866409229100663614858470644985350512215823884104738064581045082404819670856721785374944058071925213697434241588654573789514847674352793094533861029489143164084403867528103859573857284174148167498553452673408368862642685778520152859361235817510593090255548453427254130482036746576031648945789336243824380595867504356166649969262752415835798361618787116697238568766618567137647848029436841847363814196817778131031386226880172696419700041
 . . . . . . . . . . . . . . . . . . . . [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)
							22382ddcdb60bb4f28e1910da6788ae758614aef
 . . . . . . . . . . . . . . . . [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 (45 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'en.lrc.cn'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'lrc.cn'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'sso.lrc.cn'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.lrc.cn'
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb49900000185237833bf0000040300473045022054e5b92e6196167677479e301d4d7cba894b9018353abac5c0712d95de7b1d700221009deb57c363d9e876f4c76a6e3a7fbb4b472721bf462eea12bb9c6c5f9097336e0075006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d913000001852378346e000004030046304402205d56950b2d76087a73f63bef9a205a2d0a9dbbea37cd218a22ff9e9b39755c830220587c63b52144ec365f479754f16c96e786413a78644a73634cee2f68b75be8bb
 . . . . [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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