learnvietnamese.com.vn
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 04:b7:3b:a4:42:58:5b:27:e4:ea:7e:ab:21:51:08:70:3c:a6 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=learnvietnamese.com.vn
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 04:b7:3b:a4:42:58:5b:27:e4:ea:7e:ab:21:51:08:70:3c:a6Serial Number (int): 410800094207648158655816995481869842660518
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: d1:be:76:ca:83:82:fb:2a:87:4f:ba:39:2b:55:46:ac:cc:bf:1e:13
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 20:a7:1b:30:a0:d4:85:ac:eb:53:e4:0b:a5:06:93:79:45:c3:52:4c
Fingerprint (sha256): da:d3:6b:50:81:d3:fc:7e:38:56:66:9d:ef:d9:7b:41:d2:11:61:7d:f1:7f:e5:9d:c8:7d:48:dc:53:f2:5c:68
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate learnvietnamese.com.vn
2
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for learnvietnamese.com.vn
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
learnvietnamese.com.vn
www.learnvietnamese.com.vn
www.learnvietnamese.com.vn
Other certificates including the domain name learnvietnamese.com.vn
(limited to 100 certificates)
learnvietnamese.com.vn
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
learnvietnamese.com.vn
learnvietnamese.com.vn
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
learnvietnamese.com.vn
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
learnvietnamese.com.vn
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
learnvietnamese.com.vn
sni89897.cloudflaressl.com
learnvietnamese.com.vn
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
learnvietnamese.com.vn
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
learnvietnamese.com.vn
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
learnvietnamese.com.vn
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
learnvietnamese.com.vn
learnvietnamese.com.vn
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
learnvietnamese.com.vn
learnvietnamese.com.vn
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
learnvietnamese.com.vn
sni89897.cloudflaressl.com
learnvietnamese.com.vn
sni89897.cloudflaressl.com
learnvietnamese.com.vn
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
learnvietnamese.com.vn
learnvietnamese.com.vn
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
learnvietnamese.com.vn
learnvietnamese.com.vn
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
learnvietnamese.com.vn
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
learnvietnamese.com.vn
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
learnvietnamese.com.vn
sni89897.cloudflaressl.com
learnvietnamese.com.vn
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
learnvietnamese.com.vn
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
learnvietnamese.com.vn
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
learnvietnamese.com.vn
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
learnvietnamese.com.vn
learnvietnamese.com.vn
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
learnvietnamese.com.vn
learnvietnamese.com.vn
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
learnvietnamese.com.vn
sni89897.cloudflaressl.com
learnvietnamese.com.vn
sni89897.cloudflaressl.com
learnvietnamese.com.vn
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
learnvietnamese.com.vn
learnvietnamese.com.vn
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
sni89897.cloudflaressl.com
Certificate
The complete raw certificate details for learnvietnamese.com.vn in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFgTCCBGmgAwIBAgISBLc7pEJYWyfk6n6rIVEIcDymMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTAxMjgxNjEzMDdaFw0x OTA0MjgxNjEzMDdaMCExHzAdBgNVBAMTFmxlYXJudmlldG5hbWVzZS5jb20udm4w ggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDk8wYhcZ5KYO4GH7W16a34 e9i/zkIdpu1m5Cz6PMoCvP/VxtPEJrMM6jDxllU5ns1/1NfTYG/Fck8KARXr9dmo qXuVTeeDMoRVyJk2FXMVgYGQhzkS57UQlAcRMfd0PhyMIcF4L9yezZAYjYx50EVd sG0GyUBngFLY5k6pAD37R/yVllLgbHV+cxxCKGqgmEqo4hiPqtUQ2yEKc2LkFfnI 0tNtjZoDjxqqRgvACHcq6MaIY+aD0uz7pdjn4G6hz9nCLt/G5d1pdK1jHXsrSoQ1 0OEhIvKklsaM+9+vxVQwtmY2zfvF/Sz/BAsFdisAl7LJyoJ+HocTZhGvQ/vTZrgv AgMBAAGjggKIMIIChDAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYBBQUH AwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFNG+dsqDgvsqh0+6 OStVRqzMvx4TMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8GCCsG AQUFBwEBBGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxldHNl bmNyeXB0Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxldHNl bmNyeXB0Lm9yZy8wPQYDVR0RBDYwNIIWbGVhcm52aWV0bmFtZXNlLmNvbS52boIa d3d3LmxlYXJudmlldG5hbWVzZS5jb20udm4wTAYDVR0gBEUwQzAIBgZngQwBAgEw NwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYaaHR0cDovL2Nwcy5sZXRzZW5j cnlwdC5vcmcwggEFBgorBgEEAdZ5AgQCBIH2BIHzAPEAdgBVgdTCFpA2AUrqC5tX PFPwwOQ4eHAlCBcvo6odBxPTDAAAAWiVc0woAAAEAwBHMEUCIQDPitIjMqb68F5h Y3VS1xbxPWRhZEves36dRIKdO8rvKAIgVgViMhqMNgn84gLoWzYJyb8YmApBXGrV NvSu5cmAL5YAdwBj8tvN6DvMLM8LcoQnV2szpI1hd4+9daY4scdoVEvYjQAAAWiV c0t9AAAEAwBIMEYCIQDlVVS8bmP8XxWvjMm1z8/gfX00nTpMMO0+fmdw0pZiwQIh AKARxSPTo8GucYkmhyKW9a8GmQglRfb1A1qg9DWT7oT3MA0GCSqGSIb3DQEBCwUA A4IBAQAg7jnlirECtiopcNgtfQVX1X5sLJGvUZ7VVG61ATvvj5EXncIX2FJqNwWN anRU6L4XjRTdjdS0i0CUhL4S8b/ezQvfhTks3x1RBUZ6aTPHL674KJVdjBTm9mPF VjQbjaWQc02H3YZtc4ZZA6mgwvu/paGal3qo7JlvlRTJ2rQVUpAcyk4H9jquWCIV ERKqiCvhvTX5xchStZf+p1qB7GucBfIiU1nH6Caq3//wushT1gyng2pqfbdm8ig9 mzvFsIoWQwy34w2OyuutvsZXGBPDavmavMzPSvT7FAYFMFyNAIUk4TDPHEvloc1t PS5VMcEUi7Z3ORV729XEQGA+UYWO -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA5PMGIXGeSmDuBh+1temt +HvYv85CHabtZuQs+jzKArz/1cbTxCazDOow8ZZVOZ7Nf9TX02BvxXJPCgEV6/XZ qKl7lU3ngzKEVciZNhVzFYGBkIc5Eue1EJQHETH3dD4cjCHBeC/cns2QGI2MedBF XbBtBslAZ4BS2OZOqQA9+0f8lZZS4Gx1fnMcQihqoJhKqOIYj6rVENshCnNi5BX5 yNLTbY2aA48aqkYLwAh3KujGiGPmg9Ls+6XY5+Buoc/Zwi7fxuXdaXStYx17K0qE NdDhISLypJbGjPvfr8VUMLZmNs37xf0s/wQLBXYrAJeyycqCfh6HE2YRr0P702a4 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 410800094207648158655816995481869842660518 . . . . . . . . [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 2019-01-28 16:13:07 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-04-28 16:13:07 +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 'learnvietnamese.com.vn' . . . . . . . . [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 28902173107409703351232373880551189955701194918703676852070929580752380645462105396483561477709053901270714679470720953869033305591418684170823275299839802650375864422725923829559005613188764210213493732696930864305782172380730158275074796491129069077799310687113187844227271612976193818110646840410436104390272781623091138575087596450565484252437217398949640172734319511006212251463982635761591055848396067197575834335143061587555874260024645036187352571459049656627453427134683090381481935066642998382697558408155020562921748433321426590542761600565132163587306926291701854107667474740133722069160191983202465134639 . . . . . . . . . . . . . . . . . . . . [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) d1be76ca8382fb2a874fba392b5546acccbf1e13 . . . . . . . . . . . . . . . . [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 (54 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'learnvietnamese.com.vn' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.learnvietnamese.com.vn' . . . . . . . . . . . . . . . . [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 (246 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes) 00f10076005581d4c2169036014aea0b9b573c53f0c0e43878702508172fa3aa1d0713d30c0000016895734c280000040300473045022100cf8ad22332a6faf05e61637552d716f13d6461644bdeb37e9d44829d3bcaef280220560562321a8c3609fce202e85b3609c9bf18980a415c6ad536f4aee5c9802f9600770063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016895734b7d0000040300483046022100e55554bc6e63fc5f15af8cc9b5cfcfe07d7d349d3a4c30ed3e7e6770d29662c1022100a011c523d3a3c1ae718926872296f5af0699082545f6f5035aa0f43593ee84f7 . . . . [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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