tsingtaohouse.com

Issued by R3

About this certificate

This digital certificate with serial number 03:5a:db:68:53:1c:37:57:1d:0c:8b:a4:39:4c:c4:89:a5:60 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:
  • 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=tsingtaohouse.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:5a:db:68:53:1c:37:57:1d:0c:8b:a4:39:4c:c4:89:a5:60
Serial Number (int): 292253913433790898492569292348609465525600
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 4a:4f:16:52:ca:13:2c:98:ae:d1:f8:70:23:51:ff:71:19:85:48:28
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): f7:17:d7:f1:ca:7d:67:bd:ea:7e:cc:1a:7b:4e:15:35:f4:38:d8:02
Fingerprint (sha256): 69:ec:6f:ea:14:72:c1:ea:1e:d7:fb:6e:8b:e2:bd:b5:d7:19:7e:d2:40:61:b0:17:2c:2f:e5:a8:55:97:4a:32

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

Revocation information

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

Check the revocation status for certificate tsingtaohouse.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for tsingtaohouse.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

tsingtaohouse.com

Other certificates including the domain name tsingtaohouse.com

(limited to 100 certificates)
salihalan.space
app.preprod.shopcall.io
alanclan.org
www.campingberlin.co
info.hayabusa.io
www.launchpadframe.com
tsingtaohouse.com
tsingtaohouse.com
www.campingberlin.co
app-vitalii.investico.com
ordernow.tsingtaohouse.com
apollustech.com
dev.zeaeye.com
stage.team.showlog.me
link.gesundessen.at
factory-control.aiko-1959.net

Certificate

The complete raw certificate details for tsingtaohouse.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtWTDaaRvTE+k9iWOKvvI
Hyx58wB592Fy4wLBM4sG2+RV1ia+7kxxDGfJQw1z7SiD/2JNtkpT434omXW+OHjE
x69Nmno9zC9ijTsY2MzdcvB9TzpGjTeCgjmcuyaMlheVCnPiTlqbljM+fy1i+12h
p5YrnV1wJvODRP2xsD3VM7FKT61kqpiPH6vOvfpzatKzXFkQRThRji8P8R37etD6
wGtEiOPXu/EgV/IwYY5mNE5StUd7QBSbl4mxWsFLhZ8ftPiyB9wioo0hEcXxPK9H
XrCVPm86x5H3eZXlWLa4jYBAnVat1m79rKbUni+6MQcKj6xcPOmZP47nqp3UwUQT
7wIDAQAB
-----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 292253913433790898492569292348609465525600
 . . . . . . . . [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 2023-12-22 11:13:58 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-21 11:13:57 +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 'tsingtaohouse.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 22898821449143028247780178651059633126829334730906655406210704983200490043175053549553851082120317341233898867782111729541834882714758905848342616398959517975926874953852036510733014437203971745352930228458970929770550515747468157738976684314198052128405695346659710374895670821455904989735518397568746960308247643073176267792928222030823028008056666856150837876578311429262142947352240639703691000035262270097492622908148505177977050925820633685775334007456207634055140981859320430738457998420005399856933911075268983545955272289777545484272005718471571200769743695512329437678741658779221260321306291102549515965423
 . . . . . . . . . . . . . . . . . . . . [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)
							4a4f1652ca132c98aed1f8702351ff7119854828
 . . . . . . . . . . . . . . . . [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 (21 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'tsingtaohouse.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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f200770048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018c9172563f00000403004830460221009d157e7639cfffa16b9eecce3cabb2e565de9eb9554facd4b3a6c3373eab1be4022100f93bace87680853473894fcd9f8f9be21f3e9067c433a901b13df41eebc5280c007700eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018c917256440000040300483046022100e2842cc4ab3fa0a8286d0134ca9c73bda8c51d7a33115bc8694352c74577ef50022100fb73893d9efd67c988a39e7e6b1e35914ea1d1f675e1610d7a801f942892d987
 . . . . [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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