www.cuspt.tk

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:af:fb:94:16:51:1d:b4:29:64:24:27:14:0c:9f:e3:61:05 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=www.cuspt.tk

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:af:fb:94:16:51:1d:b4:29:64:24:27:14:0c:9f:e3:61:05
Serial Number (int): 408332963077721980042562847986418551316741
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: ca:93:ac:9f:48:3f:76:70:e2:b1:ab:0b:1e:9b:52:04:03:4e:4c:fa
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 24:5b:6b:61:00:eb:55:af:c5:d0:3e:15:61:34:ce:b5:44:6b:02:78
Fingerprint (sha256): 4c:2e:6c:3c:a3:b6:91:ef:49:ec:e7:41:67:81:8a:b8:37:0e:8e:8d:28:25:9e:16:57:bb:b6:1e:ce:90:f7:2f

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate www.cuspt.tk

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.cuspt.tk

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

www.cuspt.tk

Other certificates including the domain name cuspt.tk

(limited to 100 certificates)
www.cuspt.tk
www.cuspt.tk
www.cuspt.tk
upload.cuspt.tk
www.cuspt.tk
www.cuspt.tk
www.cuspt.tk
www.cuspt.tk
upload.cuspt.tk

Certificate

The complete raw certificate details for www.cuspt.tk in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA9XJrEd+Eemb+8l/zuTby
uDuMR77o4ssB/89sGE/E2WMpy6OHRxgRKOLIT4hRUC5nKbZmgf+TFP3SFa3GbIhM
USfOzuIi5m0WROfIb6sxl1RScO5prb4KsABgS+c+QdVOJUuPZIZXNp+TTd5ye/nk
Zc2H1mMTB3XiPOL8lIN+BYOhuNU73pFY9IoSTpQbOqiVbwN8bxf+XOa48OIoOYSX
8DlBFQxx/Z/LkTYaDB3UHrpULDFaDW+IypDf17qV+lmM6qkbF7z6z1x0C6gGeg2V
tgAyWzmeqKG0rmpNWYR0HBQn9l85MmRkOudVfiHJ98eIRgHf53ZjltSMymgkhzsH
FQIDAQAB
-----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 408332963077721980042562847986418551316741
 . . . . . . . . [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 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-01-19 10:01:08 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-04-19 10:01:08 +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 'www.cuspt.tk'
 . . . . . . . . [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 30984806454421215743649398993107005635296096136071795957642506373489025861136258767605417179171503632537998932761399919815073988071286183601866767402648243951990104224192957524028761110592542006873112195523317117391310065897662476456136014687059795466549150966191443003809846842018584616810946911393690771462996082328746865495600526329256980801911822760908223009868620462451067312748905081201233313178492044879285870426350737675768362683118828633114677938648579383777842173264302421731219555956524914603748963943027798631213549564794707106055501295683961377922769259113783984208627778681835643752586373112042645817109
 . . . . . . . . . . . . . . . . . . . . [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)
							ca93ac9f483f7670e2b1ab0b1e9b5204034e4cfa
 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [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 (99 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://ocsp.int-x3.letsencrypt.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://cert.int-x3.letsencrypt.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 (16 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.cuspt.tk'
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007700e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016865c57db90000040300483046022100c461c08ba12bca271909219d1669606471f5b329e84fe80f3a6d0d28fc7d0967022100d17b03d52e27627dba02c4507096cfcbd101030e23841175fce3862317721f5a007500293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016865c57dbe0000040300463044022077c06b195e4db10461508b62625bd69a5f858ef83a190e868a4433624028082d02200d53f66980beb329a7e6cf2f7b530ec0dc8b1e9dfcdf652f6f5bb800e1709d04
 . . . . [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)
		008d185d38d81acca40943c080a0d31eaddb6384d8d9a988d0753a7933f45447118c48badf6c80b8f478b061850252520288c79651ed2c475a49e5138e2a74a41775d83d91ee922a4212a2add5028ebee063c5846b477652abeaa3d9f9746b57c4b36461f2be52362b46149e07765fe0ff19377cc7a61932f676d206366ab99d555c271fd9c1833cbeb763132fdee1f006163c0bfcf5d3ac947518d5224bb8bf24fd61c751c87461687176c39d799a66434f145274bbf49a5607a4d8f3b6609fc4c06571f7951c8330739c97f5643ba0f6d874a8b86e6915de1d7fc39a3755e72a204ce61a8530b6dbb1fa1ce44297c6ea2de41cbd6b2721680e8589bfa7ca91f1