DV SSL/TLS Certificate for mail.tnt2u.biz

Certificate is witin its validity period

Issued by Let's Encrypt (R10)

About the mail.tnt2u.biz DV SSL/TLS Certificate

This certificate with serial number 05:d3:35:bd:30:01:52:e9:cb:01:d1:55:6e:f1:6a:22:a2:72 for mail.tnt2u.biz was issued on by Let's Encrypt.

With 13 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.tnt2u.biz 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): 05:d3:35:bd:30:01:52:e9:cb:01:d1:55:6e:f1:6a:22:a2:72
Serial Number (int): 507432440480662662194566925761184010510962
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: 33:62:00:41:66:eb:98:31:b1:57:1f:a3:9f:1e:e2:10:97:4b:ea:47
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): 06:d9:54:03:da:4b:85:2b:80:cb:d8:0f:62:56:05:5d:6f:57:ad:6d
Fingerprint (SHA-256): 0a:ab:87:34:d7:40:2a:54:88:cd:ee:6d:84:d1:13:d9:19:27:1d:1f:41:18:49:22:1a:e3:da:ec:fd:ea:7a:e0

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

Revocation Information

CRL Distribution Point: http://r10.c.lencr.org/115.crl

Check the revocation status for certificate mail.tnt2u.biz
13
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for mail.tnt2u.biz

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

*.alphaaim.com.my
alphaaim.com.my
alphaaim.tnt2u.biz
autodiscover.tnt2u.biz
cpanel.tnt2u.biz
cpcalendars.tnt2u.biz
cpcontacts.tnt2u.biz
mail.tnt2u.biz
tnt2u.biz
webdisk.tnt2u.biz
webmail.tnt2u.biz
www.alphaaim.tnt2u.biz
www.tnt2u.biz

X.509 Certificate

The complete raw X.509 certificate details for mail.tnt2u.biz in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAt4bR6EntWUAB27lyO8lB
6yU68Yj4pWfbSK/o/6IugoXcKzrfGR5puK9zy0SzqGQRSZEE8BNEEfUYZiBdou6n
c4oodqC6anT4aPIcBGRi1BZXaMM6Xw0wcFAafXLgafiBenEq6a0lzgHKPHBE+vWl
z9P8zvp47M3LjmvC2Z7/CEa5AKVeAYKOEXH2O2NAJy8SjfEklmuSOzt+GrFjGqJy
gitglVrv1rTEjtk4R5XUMzC8dcT+FmePU1j1TWv9sRjpVGs4A0bysHNRn/DWy7ym
tCSAryTdAwldzfMQkDZyVy651W+GAOaHSNfusvyYD508JWw2oaPFdLJAd1VynfEg
zQIDAQAB
-----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 507432440480662662194566925761184010510962
 . . . . . . . . [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 2025-05-27 07:39:05 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-08-25 07:39:04 +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.tnt2u.biz'
 . . . . . . . . [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 23168092004302020537747335628574194463862240907180111087228336465354627475227623255525172220234092362761996357741593441678910519804557705429017357477095168808412787742016177716640322878627135689986496556402186354703841140933043338837769202068200897303625345206603549608937171391211040185797677953130227830660852466888752791874707595981163145033822200571098431629277974345957693727107661733356690238244706007163010628062397834891749652319042559306584517361776805712007120956255920114051405399554300343955113223299660412235795429312887503639181711678686825996626232339419376854650574516621602286587406125008806990651597
 . . . . . . . . . . . . . . . . . . . . [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)
							3362004166eb9831b1571fa39f1ee210974bea47
 . . . . . . . . . . . . . . . . [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 (250 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.alphaaim.com.my'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'alphaaim.com.my'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'alphaaim.tnt2u.biz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'autodiscover.tnt2u.biz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cpanel.tnt2u.biz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cpcalendars.tnt2u.biz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cpcontacts.tnt2u.biz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.tnt2u.biz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'tnt2u.biz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webdisk.tnt2u.biz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webmail.tnt2u.biz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.alphaaim.tnt2u.biz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.tnt2u.biz'
 . . . . . . . . . . . . . . . . [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 (40 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/115.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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007600a442c506496061548f0fd4ea9cfb7a2d26454d87a97f2fdf4559f6274f3a84540000019710e3d1fe0000040300473045022100b1e9cc7a08c893526447b45590e058077b6cd31c1396c37fbb372e1aa01a166d02207cc643b2362d91935e267d239f4c49ebe5cc168a32b9116ca4c1fabab2eaa24d007500dddcca3495d7e11605e79532fac79ff83d1c50dfdb003a1412760a2cacbbc82a0000019710e3d244000004030046304402205661e3342d017a3becee9b45e3cd79411d881e74d7d3673cf9133a25c37f928e0220586ef585e7502b8be0372825c2d8408402027611fcf6c604b5b4aa3c1af444a2
 . . . . [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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