www.thamtuhuythu.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:a1:f9:9b:a7:c7:a3:a9:1e:33:0f:f4:d7:97:1c:f9:30:ef 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.thamtuhuythu.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:a1:f9:9b:a7:c7:a3:a9:1e:33:0f:f4:d7:97:1c:f9:30:ef
Serial Number (int): 316454104849494808165955366802589834883311
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 93:dd:b1:4d:01:3b:1c:68:f0:85:e9:da:67:4f:01:cc:db:c5:75:c9
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 66:da:a6:f7:04:ed:b3:ca:34:55:79:b2:b3:76:ff:93:52:db:63:18
Fingerprint (sha256): 83:34:86:96:14:b7:c6:84:40:9d:c7:a9:7c:3f:a2:c5:06:f2:5d:35:d8:0e:72:c4:74:1d:cc:40:ff:15:9a:83

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.thamtuhuythu.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.thamtuhuythu.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

www.thamtuhuythu.com

Other certificates including the domain name thamtuhuythu.com

(limited to 100 certificates)
www.thamtuhuythu.com
thamtuhuythu.com
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thamtuhuythu.com
chungkhoan.ihappy.asia
www.thamtuhuythu.com
thamtuhuythu.com
www.thamtuhuythu.com
thamtuhuythu.com
thamtuhuythu.com

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwHR/NhY9Gr6GHysEJGmI
ubwa7qL5BLkfF3T5tlF1pXei6VZSfEHH/fqTe9vWd6k71kCgKlJZ9H/JNwePp3X6
pnP0sC9iPRs19yDgvqs5qf0A2TL+fak304+Poa+Osjn562gpogMwudk0rG7pHo+L
9ay26Q96aRY7pDgsASm8Epn4gRYC12db5AkrjECNLsf229JJaAMddp1hSjMV5DKI
goFLcSWYeUYIfuNXoqaeYKcYLD2N5LB7FkVmk549wk+sd6L2BvCOXACZimHQ8ytI
RUoFZ33Y8PrhfPBw0CCXRz3/P+zjFMF33UnUI+SLAizbOfWenD35Y2W0/YxFvAfS
eQIDAQAB
-----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 316454104849494808165955366802589834883311
 . . . . . . . . [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 2020-02-11 13:35:14 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-11 13:35:14 +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.thamtuhuythu.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 24295201325337386862331005824572490599351768173907429977193618637929117409813906718072447401889984889768427854013127178745918019476812856202624298521789789453616395152717713587190711402598337391591499812706967525062749631044173083020831065513215687878873102166698477678439822275583445049089216242725107242187161079825689721851319147233054898084585581773839235618268857577435847194283179632980801688088376335425405208341282450811740896157471907567002115131042528283774800967805632536099792340366331643519496642973295587636969700987993237205385300640232361907299567166443612598376943275615893066961572486788898101908089
 . . . . . . . . . . . . . . . . . . . . [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)
							93ddb14d013b1c68f085e9da674f01ccdbc575c9
 . . . . . . . . . . . . . . . . [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 (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.thamtuhuythu.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 (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)
							00f20077005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000017034acf2ad0000040300483046022100fd8310552d922fcb7e5b1632846179542684df239ccb8f6765ab5bf640ac183f022100ca0d0cff98ed5fc3ab66b387d51d0d15f09ef9febb8681bf8043313cc84e8f5200770007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000017034acf2ca0000040300483046022100da1a3aed6c1c563a053ac62fb6753645017672c8cd0a592250ac4d8f2c10cffc022100834efe72d263a824f5f22e8456b748507050b66bb28ed91287be9a5201992bdd
 . . . . [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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