www.travel.haitech.co.samdi.vn

Issued by R3

About this certificate

This digital certificate with serial number 03:92:74:01:14:c9:33:e8:31:6a:c6:ac:dc:cb:b4:13:ea:50 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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Certificate Subject

CN=www.travel.haitech.co.samdi.vn

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:92:74:01:14:c9:33:e8:31:6a:c6:ac:dc:cb:b4:13:ea:50
Serial Number (int): 311172279427134781559666069462354639448656
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: ea:a2:0c:57:48:d4:01:b7:c2:6a:25:d1:b5:76:a0:67:b2:76:d6:0e
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 8f:eb:e1:ea:58:c3:6e:c7:8b:4f:df:f9:c9:4d:b1:b4:72:41:5c:1b
Fingerprint (sha256): 51:01:2a:b9:50:40:fd:2c:16:8a:cd:02:40:e1:f1:16:bf:97:ad:dd:56:25:d2:62:52:05:a0:bf:cb:a8:48:7a

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate www.travel.haitech.co.samdi.vn

3

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.travel.haitech.co.samdi.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

*.haitech.co.samdi.vn
travel.haitech.co
www.travel.haitech.co.samdi.vn

Other certificates including the domain name samdi.vn

(limited to 100 certificates)
www.homlam.com
www.daiphatlac.com.samdi.vn
www.daiphatlac.com
www.docsachhumi.vn.samdi.vn
www.travel.haitech.co.samdi.vn
*.vn.samdi.vn
samdi.vn

Certificate

The complete raw certificate details for www.travel.haitech.co.samdi.vn in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEApscWWUb+cm0LC6aohlfz
udZogYZTelDD24LzMvkpp0mN3NS7qnpVK38xzFYQVMcVXOavFZcOocyyf9yhZoYr
R0rZVEQpg+XO86O+31hCX1cAv1QUIuTuuQoB18avHNMk3Ivj/jeRbVcFA0oPXg25
AbLjj7GnS7sDDTcjnpYcJItSFZ36iU3oQjCFPdUjB8HMT4FK7fXr/W0eLBxsrfzA
SrhAcnSWnlANSFRxhGsPYLPPqR0MIDTTxBiGv8ufL0OGcbqfrTFhH9yRZ652J1i8
wx9uwdNP7AOppXF1FAiv4woOdzeuIyk3y8mwvpWkXAelGfqNEjoBg+/SXG/KuBxt
CwIDAQAB
-----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 311172279427134781559666069462354639448656
 . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-09 13:27:52 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-05-09 13:27:51 +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.travel.haitech.co.samdi.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 21053732230859680719888136041903269202572817556773625888804673198829675066634239986782068727378871115277859330313440745478564634698668883667562379925772727079453627539482220541161854205366972908720730871101524268085330831932691454220109375290964621624626415536437656184989312442144255567106503391987595218280326937861967932720135367576915810636634350016872252964355952090321290324221856080035125602118619389623033935003558691789596530304643692454539571418577545976727371134170256508572789155058548357696732876066304860194266904810196077996627853049702464970551336838135379444636016471482397464414276396749434186919179
 . . . . . . . . . . . . . . . . . . . . [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)
							eaa20c5748d401b7c26a25d1b576a067b276d60e
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.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://r3.i.lencr.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 (76 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.haitech.co.samdi.vn'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'travel.haitech.co'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.travel.haitech.co.samdi.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 (12 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f000750048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018d8e44893f0000040300463044022027df665f6ac61c609664da2203c64cdff4ac345890800299bade4ad9e31315e502206af8d0889c7c349562071af349ad6aec1a4241b71badf61f27dcfd085b6fdc22007700eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018d8e4489420000040300483046022100a34d2c3d9470b7a9af746e0f3afd1f6dc4d5bf66f97bdd40b548ea5dbcc9e6b6022100c4f10d18a213efc7b8eabf48d825e8d7e511a85bdab7fb7949894b768fcf32c6
 . . . . [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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