www.andy-truong.me

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:ed:4e:88:d8:71:05:38:36:72:a3:23:98:2b:04:d4:7c:53 was issued on by Let's Encrypt.

With 2 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=www.andy-truong.me

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:ed:4e:88:d8:71:05:38:36:72:a3:23:98:2b:04:d4:7c:53
Serial Number (int): 429200455013302258736849518241043136674899
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: d6:28:94:64:ac:60:f4:a7:0d:93:de:bd:49:61:72:ab:dc:bc:80:3e
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 66:9a:bd:c2:79:71:17:29:b7:17:6d:72:5a:25:9b:b0:12:12:b4:95
Fingerprint (sha256): 15:92:ce:b0:43:69:dd:1c:ad:fd:a5:f2:85:0f:3f:2e:60:45:fc:74:ae:ee:52:d3:05:66:33:cd:14:14:6e:a7

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.andy-truong.me

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.andy-truong.me

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.andy-truong.me
www.andytruong.dev

Other certificates including the domain name andy-truong.me

(limited to 100 certificates)
www.andy-truong.me
andytruong.dev
www.andy-truong.me
andytruong.dev

Certificate

The complete raw certificate details for www.andy-truong.me in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA40BesiNEh+RiTqTOElp5
ypOshBOulWkRZfDtKEPL3vnRV/bU4AzYKvc82hOPqIZ4DdgiXT8QPS1XUH5g3wd5
Z+jWvToSqsjps1nhU0rYCkngb/OKpZpcvfDI3SVOZoisIZorPrp+noWnQrhirtfO
xj+4q0UOXwuzLbTy0QJmJTc8RgPoglsOjekIWEsdcpVNV5tshfq3lp367p02/DHg
cAsBc83Cp7lGINuDFq0JrMZn0hVJKIr50DophwmjHbOEa1Tu0gKAUce+WpL1xK6q
HiobKo4IC/GvMaMijNYM7ybyNkxtwt4jicTYXT+PalukSX5bDw/MSUciHnniV5tN
lwIDAQAB
-----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 429200455013302258736849518241043136674899
 . . . . . . . . [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 2019-03-19 17:11:43 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-06-17 17:11:43 +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.andy-truong.me'
 . . . . . . . . [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 28687837210819420973704553839167421252583272510971288742928506397856883355616948276592107921174422030314590327342560117020561003551573190296871818658824415103063248519280293362923376375959189126126860896940712210419847630195710608356052021122326332511534249351807544861804266150839593388311622944083347660440926333421925598406019905811631895460435083874038454735469693475211285739353576418441631034422660793295396104284292399427536150063954599182116822014081305335922868914164277245640590823924181799710369222820308973778376518418057115177408220981902668569859022515985772355009276093966218891553165999197053618179479
 . . . . . . . . . . . . . . . . . . . . [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)
							d6289464ac60f4a70d93debd496172abdcbc803e
 . . . . . . . . . . . . . . . . [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 (42 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f00076005581d4c2169036014aea0b9b573c53f0c0e43878702508172fa3aa1d0713d30c000001699726e87a000004030047304502204880e60b2eca6b2c26ce151b5196dbc4f3a076349017f31321af5b50f37a4fea022100f38d4ef05c536fef655e243237d10a1d4498bb1fca06832f0560503945173ddd00760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d000001699726e8630000040300473045022100fdceb0415b33b12466afeef61868e1edcfa542fd8378877f565b6247fdb5c1cd0220080b364c8c74f707c128fa2487a2950b16d6d71f1462ef52c6fe5d10d0073d28
 . . . . [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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