www.cuspt.tk

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:6c:ce:96:de:12:c2:a7:c2:31:82:80:bd:18:a2:4e:ef:d3 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): 03:6c:ce:96:de:12:c2:a7:c2:31:82:80:bd:18:a2:4e:ef:d3
Serial Number (int): 298361957738583848723375820578732836319187
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: f2:b0:9f:e1:76:a3:66:a9:5c:b7:c4:7c:8d:84:0d:c1:fa:ba:fd:6b
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): fc:1b:02:33:bc:ec:77:b9:89:29:be:43:36:ee:da:cc:42:7b:67:90
Fingerprint (sha256): 4f:40:d0:93:61:72:7b:ac:3b:ad:9e:ed:9c:d4:6f:92:a0:7f:af:78:32:35:6b:77:8f:91:3d:00:b7:af:9d:b8

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAnhBfiQYOdy04Ax/I2un3
ZCoI35udifLpx2jKgKPhJdawg2kXF9+M+o2iu1z6dOjS2YUpsqgWnVbzoxykxGt3
1e/OUOWWEVc/RH3TjhtVzBxB9xjyL+HUTEjUJpt41aZhlyAklIhFoirRI0wYeajY
b2ywdbYXiEHdGVFH+Bqp6X6VUqR24/ntSQ/4o4RETzS5NWBF30sBFaQFBXYpr/YS
QA8dHRcLjATUPB3MG05HQXncWdfVxHRiM+5Zl9L6T2hRI1YeibVHTzTSEG7r3ukA
ZKERG9AM0vVfpFzXmVmfwvIBp7IebOGk55XZoMft8BUcP00/IitsD7VtzFfOgpbf
bQIDAQAB
-----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 298361957738583848723375820578732836319187
 . . . . . . . . [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 2019-05-14 01:27:58 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-08-12 01:27:58 +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 19953726102865365192988012499142859659755032686707483618733494692026352558428426697902803838264483216082238409077306463810846782970603655982769337533755332027540110890885689166823749659885014548903859358902765998398043847187748096043388295696231593645373356928422923402574056178167733674074680219712012744504887473754760374150094275878117629646966078459184536651824272839675985839465943530580916777395693072891794547908726406523832333740484163666812006239583095346606243444928329055160849458843727290563522959222531855596162300005722521603360669990770932093767720369877194359559551075910501241288333912457277473218413
 . . . . . . . . . . . . . . . . . . . . [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)
							f2b09fe176a366a95cb7c47c8d840dc1fabafd6b
 . . . . . . . . . . . . . . . . [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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f2007700e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016ab42b04fe0000040300483046022100d647d2bd134038291f536025cbb2f41dcd530e74064759ba73b3c43e18993af902210082f6e8efbff75a05d00617a70fa0654140b936b38da639328fff96cba96c5503007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016ab42b02fc00000403004830460221008cc60f76c204fc795d1dd13fc4bbdde1136f7f8f6e24010ff5d9798d17017c450221008f425ea8715541ee409a250421db3c6362640ba92dad0c82868298958944bc91
 . . . . [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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