DV SSL/TLS Certificate for mail.giaophanvinhlong.net

Certificate is witin its validity period

Issued by Let's Encrypt (R10)

About the mail.giaophanvinhlong.net DV SSL/TLS Certificate

This certificate with serial number 06:56:e8:ca:ac:fd:35:18:a3:72:be:f4:73:aa:37:20:c1:10 for mail.giaophanvinhlong.net was issued on by Let's Encrypt.

With 9 subject alternative names, this certificate can be used to secure multiple FQDNs. This DV SSL/TLS Certificate is currently within its validity period but we haven't checked the revocation status of this certificate, you can do this simply on revocationcheck.com. We have found some issues with the compliance of this certificate, they are be shown below. We hope this DV SSL/TLS Certificate review for mail.giaophanvinhlong.net provides you with the detailed information you were looking for.


We have identified some issues with this certificate:
  • 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)

Let's Encrypt

Organization: Let's Encrypt
Country: US

This X.509 certificate will expire on

Certificate Details

Serial Number (hex): 06:56:e8:ca:ac:fd:35:18:a3:72:be:f4:73:aa:37:20:c1:10
Serial Number (int): 552247432393385321691087077304499517309200
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: f4:68:9e:ab:36:bf:09:07:43:dc:7f:ed:52:be:8a:53:32:72:c6:d1
Authority Key Identifier: bb:bc:c3:47:a5:e4:bc:a9:c6:c3:a4:72:0c:10:8d:a2:35:e1:c8:e8

Fingerprint (SHA-1): e6:af:d4:dd:94:0b:a3:ad:a9:c0:8d:9b:3f:30:dc:f6:ca:9b:c4:36
Fingerprint (SHA-256): 9f:5c:4d:12:34:3a:c1:29:55:1e:63:f1:aa:fa:f4:75:20:76:70:ca:1a:96:52:e8:b9:7a:30:9c:d2:86:6d:eb

Issuing Certificate URL: http://r10.i.lencr.org/

Revocation Information

CRL Distribution Point: http://r10.c.lencr.org/17.crl

Check the revocation status for certificate mail.giaophanvinhlong.net
9
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for mail.giaophanvinhlong.net

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
10
CA Certificate
This is not a CA certificate

Subject Alternative Names

autodiscover.giaophanvinhlong.net
cpanel.giaophanvinhlong.net
cpcalendars.giaophanvinhlong.net
cpcontacts.giaophanvinhlong.net
giaophanvinhlong.net
mail.giaophanvinhlong.net
webdisk.giaophanvinhlong.net
webmail.giaophanvinhlong.net
www.giaophanvinhlong.net

X.509 Certificate

The complete raw X.509 certificate details for mail.giaophanvinhlong.net in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvRzmP91HbgS9uInPHKVD
M5lzC4OrQKDSeQ9tvAJ/8oCKGKzStCEA+vkyikUT40F5X75aC3lBtozzGdr7z17h
bmOod0j/MuY5NpVI5NyyRrbGeJooC9JgvyDoZfh0+buSSP4DW8VP7iPy9OG/JTq2
WlbYEJxjEddrvysOBYxq6N1xNZ2JUF5HnvH7x5IsWYZaMqlu5xrMdpj5hruWHHdj
vkC12ZNNs5jWi0NDWk6ZLil5qQZ5bxbj71x8+4tWpl6WJsVc8FUx3mIYyLiL6lOW
LkH48LvzlOGrkxSLGci6vr6lwUFGL1cZV1yV7lGAikIfjdvNzftU4x1urDhT7ZzF
/wIDAQAB
-----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 552247432393385321691087077304499517309200
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'R10'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-06-12 02:44:35 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-09-10 02:44:34 +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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'mail.giaophanvinhlong.net'
 . . . . . . . . [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
 . . . . . . . . . . . . . . . . [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 23873290469774564474707710308810711839133230551216347285893806607852743475807722013761592387950716697226352769974118220621942028054171576396020556336862015360132567432068955921481260858510034047288999354996744953365229358617839960297022907804153378303934418311871165595369215822173689338598380367640631423958404867838612452712759808584130323890127387250889399226420604176226763370849439127175662789929718745261596551355197924655277562496659283455774040892454684963402912377941846968595978557096488599536477977398985160320833778346298565483325537745904666274785469358889881726291850408173474768359836404512132964337151
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							f4689eab36bf090743dc7fed52be8a533272c6d1
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName bbbcc347a5e4bca9c6c3a4720c108da235e1c8e8
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (39 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r10.i.lencr.org/'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (270 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'autodiscover.giaophanvinhlong.net'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cpanel.giaophanvinhlong.net'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cpcalendars.giaophanvinhlong.net'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cpcontacts.giaophanvinhlong.net'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'giaophanvinhlong.net'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.giaophanvinhlong.net'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webdisk.giaophanvinhlong.net'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webmail.giaophanvinhlong.net'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.giaophanvinhlong.net'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.31
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (39 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r10.c.lencr.org/17.crl'
 . . . . . . . . . . . . . . . . [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)
							00f000750012f14e34bd53724c840619c38f3f7a13f8e7b56287889c6d300584ebe586263a00000197623bf498000004030046304402204005708a469c87e31f7c80c64460bae10a458b2905e1e078134d735f9cfda4ad0220465c68bfc63fda9094c2d807f70c6cc5762f380dc8f59bc991813dacaf1eba5b0077000de1f2302bd30dc140621209ea552efc47747cb1d7e930ef0e421eb47e4eaa3400000197623c042e0000040300483046022100c2edeeb313a69cc18c5591ab591bab77e31ca1b7bbba1352bc89bc06b750afa202210084587274debd3b5efe458d0ae12cce5ea1cccb08fcc1123ba1e5da3b556c516d
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . [c:0|t:5|false] NULL []
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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