lrc.cn

Issued by R3

About this certificate

This digital certificate with serial number 04:37:22:fa:79:63:84:77:26:8e:e9:25:bf:82:6a:a8:16:d2 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): 04:37:22:fa:79:63:84:77:26:8e:e9:25:bf:82:6a:a8:16:d2
Serial Number (int): 367211168195820069119886469944396560733906
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 9e:a8:52:21:8a:36:07:5f:f1:3f:d2:dc:c1:8e:9f:48:c1:d0:b5:72
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 02:51:ba:93:a0:c0:c8:3a:cd:b5:2a:84:2c:72:45:9f:fe:60:b3:7b
Fingerprint (sha256): a9:d4:29:99:32:78:e5:a4:eb:2c:95:4f:48:9c:ba:f5:67:87:a9:87:01:19:3f:29:c9:26:21:22:69:31:ed:ec

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-----
MIIFtjCCBJ6gAwIBAgISBDci+nljhHcmjuklv4JqqBbSMA0GCSqGSIb3DQEBCwUA
MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD
EwJSMzAeFw0yMzA0MDgwMTM3NTZaFw0yMzA3MDcwMTM3NTVaMBExDzANBgNVBAMT
BmxyYy5jbjCCAaIwDQYJKoZIhvcNAQEBBQADggGPADCCAYoCggGBALOZaAnXLAYE
GDgYaT8PlSw17epnY02VB1i82briVc4ZY5ob7EPRk72ROvDRjemDuA3Opn2C+IdF
UcxQYQN/LfECKp51H6ZnpWLg3xmaxBd55jfpoEYxw5amp/ePAlqdRmYxlRoT0J4/
TsQ1mW4PBGuYj0qQJfvDK3Z3M6+S1+VwPbwqQ6ANPq2vH5aQ/rAtNJiMaXtx94hr
waImslBe5/8hAOFHVeIPkCojEN9avI+j+OiQsgohMqCaWk2SwCIJhrNuLK1Ugo5K
S7yVQuWdzE5vtBi+5P6I2YPTg4glrIOJjeilxtKh6O8UO27gghA93QtoSLK+9vFK
KDP1pkPzQQ4mdlQ3Zr7wxpgAOCoU+e1+mF1AItDiYSXZshYXW4FdddlKn9OzGMSw
ePUXUw/pdNv3XW4NEdraaiQCFwiNK/ZsF29V2Rd0IGckksDk/dXs99Dk3PY1LGwR
w6PXsYorgMwlAlgGALsKOv5ozSm7CRGR7t4O1/ILKI5516Bv0thB6wIDAQABo4IC
ZTCCAmEwDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEF
BQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBSeqFIhijYHX/E/0tzBjp9IwdC1
cjAfBgNVHSMEGDAWgBQULrMXt1hWy65QCUDmH6+dixTCxjBVBggrBgEFBQcBAQRJ
MEcwIQYIKwYBBQUHMAGGFWh0dHA6Ly9yMy5vLmxlbmNyLm9yZzAiBggrBgEFBQcw
AoYWaHR0cDovL3IzLmkubGVuY3Iub3JnLzA0BgNVHREELTArggllbi5scmMuY26C
BmxyYy5jboIKc3NvLmxyYy5jboIKd3d3LmxyYy5jbjBMBgNVHSAERTBDMAgGBmeB
DAECATA3BgsrBgEEAYLfEwEBATAoMCYGCCsGAQUFBwIBFhpodHRwOi8vY3BzLmxl
dHNlbmNyeXB0Lm9yZzCCAQUGCisGAQQB1nkCBAIEgfYEgfMA8QB2ALc++yTfnE26
dfI5xbpY9Gxd/ELPep81xJ4dCYEl7bSZAAABh166PtEAAAQDAEcwRQIhAJ5MvHtg
WFpJseIUWuXmfC8tFTz4oECxBaKao5kKbTvjAiAxUO+yTMnfxv3a3QyQJfrX2gRP
QQUvCfQBazl02Gt8mgB3AK33vvp8/xDIi509nB4+GGq0Zyldz7EMJMqFhjTr3IKK
AAABh166PwcAAAQDAEgwRgIhAKoEXsuaIp4U2CzqtGtTuQeoTW0b5hzzwaqwVHFY
AWnNAiEAtgZace2HhPMM125RYUAB0RfXxqUpm2TsJmmb+7wFpn4wDQYJKoZIhvcN
AQELBQADggEBALIDFbUotTFe2QpdyNNBinqhGvfjL41O1y/KnVC0mLuuxi9qakrq
MSCtwtrj+KQ8HBIzHZ/rhoxzVrvOmJEk+TIDZET5qtMBG2kQ0J7WDd0TiwTleNwK
YCQQUiRtjNJ3elccO7/xYhbcFz4Ya/Y8b1II8WvE0gaKEOrnJjazMb5YLcFl0RGI
O/T2NgEfCBisGqN1mcGNm/chGSFSwYKSotH4Gvcx3T0oWtVH6kx0NiWGt4YiZ2Gv
wBnA1A4/u82dSaLIM6+CoJzDo6GPBLx7QoRccgvmclxQS1eBnhgutHaluN3XaITq
zQElSBdCTyGbo8rhRPYH2qlJnUCh7QhNlDU=
-----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 367211168195820069119886469944396560733906
 . . . . . . . . [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 2023-04-08 01:37:56 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-07-07 01:37:55 +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 4075784543974270539961274919885956485838656875308772831398965740868702201625045953007245797435759154158221370668342267605722622042714761886768535693585628947594556085206567138675297103277223800357231504480712856942715100858384914796291566868499781786839114174975681489666837594742873970831346679831325056746067420493716096954592464946424735881787156607313370516774864916996169211920019717084784797713433218693919913022060466481638394472296484599912079274357278892465937116994248972283344291388369125015860685803063120389146204605385331582573786357408790573272110863308164282264159106082342147873894664474730956130246410459558981398899087431962336860214350573529828092723271871096346451420419206201574742084602951419824329314294966632057599653049165470689960197338553467095345357566153684164911779737135794836023326318541476994130559645462156412169267866211615386276387829445604787463450822796636040321135548900924000734560747
 . . . . . . . . . . . . . . . . . . . . [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)
							9ea852218a36075ff13fd2dcc18e9f48c1d0b572
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb499000001875eba3ed100000403004730450221009e4cbc7b60585a49b1e2145ae5e67c2f2d153cf8a040b105a29aa3990a6d3be302203150efb24cc9dfc6fddadd0c9025fad7da044f41052f09f4016b3974d86b7c9a007700adf7befa7cff10c88b9d3d9c1e3e186ab467295dcfb10c24ca858634ebdc828a000001875eba3f070000040300483046022100aa045ecb9a229e14d82ceab46b53b907a84d6d1be61cf3c1aab05471580169cd022100b6065a71ed8784f30cd76e51614001d117d7c6a5299b64ec26699bfbbc05a67e
 . . . . [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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