andytruong.dev

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:93:91:3d:1c:6e:00:95:c7:4e:30:b1:68:79:8f:0a:e5:9a was issued on by Let's Encrypt.

With 3 subject alternative names this certificate can be used to secure multiple fqdn's. 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=andytruong.dev

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:93:91:3d:1c:6e:00:95:c7:4e:30:b1:68:79:8f:0a:e5:9a
Serial Number (int): 398663707030538871991624314101441950836122
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 89:88:e3:1f:d5:68:ec:9c:c2:a0:48:f4:09:7f:ac:2b:7c:63:d4:8e
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): cc:42:81:ca:5b:ac:2c:1d:d5:ec:c8:55:a5:ac:f8:7a:ec:e6:4b:f6
Fingerprint (sha256): 36:96:63:98:21:12:2b:7b:52:04:04:4c:0f:f3:c2:0e:e4:75:99:ad:a5:b7:92:5d:f4:a8:54:59:fc:a2:ae:6c

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 andytruong.dev

3

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for andytruong.dev

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

andytruong.dev
www.andy-truong.me
www.andytruong.dev

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Certificate

The complete raw certificate details for andytruong.dev in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAz8aaT88KR/B8YNXxPvJt
K6APPQZF6AgIUv10yn5ekrtjbuZ8eKbMGLeMg8W2ui22eq+tzZ/Na3PcEbnsfvXG
c0MarwzC2PtKFdMmqpQMVobVNR09foQ806isPgVTFt4Iuonwx8aHAUNPpOMmcf7U
KKlVFyxSFyCoURyf8sIy/UMP59yoWXUcKmPAJkMmuvK6oquN77UlqMyDLo8xi1hF
O9grNuepPCxyC4vIYdWjE769nZhqxErE56fB3lbLXX3IAB4xujRAg2a/Sgbacnfr
8aVe0FJNFFoW7CREtqmNN0D/Y41s7PJrtcByWmeR5X+RIjixZSX9I6so12+nWyGO
6QIDAQAB
-----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 398663707030538871991624314101441950836122
 . . . . . . . . [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 2019-11-14 16:28:34 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-02-12 16:28:34 +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 'andytruong.dev'
 . . . . . . . . [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 26229263809008163023461030921717782410792889973970359830409800908696641034119256891190807412005377529594446266424335425681206302066042250320147719985189590593191052239784287766692779486229893730174055473032056928451919213742714836219237242562826188275124414167070467215510368925897356282105764822710984346706019981987833052517177359642521393093433170714782401683605639807242899478919729287327300302203027825959266726327974883831096440323861050577117394366209997628843294354291505675802491260861005228855747954829247744740243933453550796469453471979303934717579188631389129024040040624759099326897782262965800032898793
 . . . . . . . . . . . . . . . . . . . . [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)
							8988e31fd568ec9cc2a048f4097fac2b7c63d48e
 . . . . . . . . . . . . . . . . [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 (58 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'andytruong.dev'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.andy-truong.me'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.andytruong.dev'
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016e6af5a7aa000004030047304502204e3935897aeb3fa261c9eb7b98099e5db2382311f0ffa2f2d6114b667535ba65022100e665689b859a738b3d6256de5ff114a20773ab73d6b9980345b9ca7d6804adf60075006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016e6af5a7dd00000403004630440220650225f4d2f27bd4eb771cfcbd151cf3aed9d68fdc9e2b3af9ab92790644899802202141f3083766c1ed70007c3316515bcc69b66a58846a4913cc416613c328d627
 . . . . [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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