tsingtaohouse.com

Issued by R3

About this certificate

This digital certificate with serial number 04:32:20:ef:cc:5a:9d:5c:97:26:c1:4c:32:e9:73:07:72:39 was issued on by Let's Encrypt.

This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com. 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 will expire on

Certificate Details

Serial Number (hex): 04:32:20:ef:cc:5a:9d:5c:97:26:c1:4c:32:e9:73:07:72:39
Serial Number (int): 365507042472693011744134625338445974172217
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: aa:06:70:d2:4d:a1:5c:1b:18:49:08:81:30:28:69:f8:e9:87:26:f6
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): ea:45:ab:68:dc:09:47:92:15:f3:db:e2:45:09:9c:93:3a:d8:bf:47
Fingerprint (sha256): 70:14:59:32:81:7f:52:d6:1a:57:d9:ee:d3:b2:0a:c1:b2:ab:b0:24:d2:b9:98:63:9a:63:aa:25:5f:40:5e:57

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

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(limited to 100 certificates)
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tsingtaohouse.com
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app-vitalii.investico.com
ordernow.tsingtaohouse.com
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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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsEYJ1Wj9mYZI3G4FdBzt
DCrlkb6eBafSL0ZyHC6XXmeTSB45J1cSqz5v5fuZth6LN0dQKe6Dt6qJykdwVbsU
OM3wEd81Q5GSTztdk2ha2TXjSaaMLJAwvWbWv3b0WxQOVrhkGlFKhaYiDQz+8WW+
FvCyxGdshqpWnD0GlxoYcnB++kxuoDxRth8U8i+4aO2lxaudcusexQRoYutDYGfq
jVhT5+ht7tEq/qO1tdQLo9b4U6KUEB6K6CiO61JBsTicuPIHVMraWkHUWMxo6oBI
l9SWBS+3C8hJ+D4Tz4mwgR/pSgvYgHvks4+BLp9ulmyv/l42jC7Jw575L9HZ8peO
IwIDAQAB
-----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 365507042472693011744134625338445974172217
 . . . . . . . . [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 2024-04-26 01:27:40 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-07-25 01:27:39 +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 22252478902514303788184691093159008406776451314728106999538386011088509091687228823363171023903608959311158907892106007534327960106032205637958070475859531696384973089731654779948232208727934813112324554595537649704091669505759205002433537783770490584106266087273548911441790452511010751909817963473360369476649033772194073117600815981813336038595702929170765202664087824033760331147473334935525256378773763509945943066936000782347153902408316050450361944003714813843545273437639694285378439948552328194668379679364247602634205005571109664898808398938639169131375798171048589230556729813713396737774515781632513248803
 . . . . . . . . . . . . . . . . . . . . [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)
							aa0670d24da15c1b18490881302869f8e98726f6
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef00750076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018f183ad71c000004030046304402202419dda4c7590bbc4d3161dcb686c34f08803ac11eb4e055f5a810d106d1aa9502203057149b64ea661e4c36a0b4d40c872458c28e720313bc3914e1b70b0b14ee780076001998107109f0d6522e3080d29e3f64bb836e28ccf90f528eeedfce4a3f16b4ca0000018f183ad7040000040300473045022100f2f1e4ae3e130f06c7467cb4b38f5d675961a9eca5ba1086a190c1623767552402201afb59f4a8e74c9d8123f8066900a9ef0a6c3d8bf8b8ac2d5b787f6a85de2ddf
 . . . . [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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