DV SSL/TLS Certificate for mail.palmarchi.vn

Certificate is witin its validity period

Issued by Sectigo Limited (Sectigo RSA Domain Validation Secure Server CA)

About the mail.palmarchi.vn DV SSL/TLS Certificate

This certificate with serial number e1:1a:5f:2f:d0:40:47:4f:01:16:83:79:7a:28:00:0d for mail.palmarchi.vn was issued on by Sectigo Limited.

With 2 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.palmarchi.vn 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)

Sectigo Limited

Organization: Sectigo Limited
State / Province: Greater Manchester
Locality: Salford
Country: GB

This X.509 certificate will expire on

Certificate Details

Serial Number (hex): e1:1a:5f:2f:d0:40:47:4f:01:16:83:79:7a:28:00:0d
Serial Number (int): 299213229387014552041499094084164780045
Serial Number Length: 128 bits, 16 octets

Subject Key Identifier: 34:0a:95:86:52:51:68:a0:37:3f:b7:bb:40:59:16:87:c9:4b:82:89
Authority Key Identifier: 8d:8c:5e:c4:54:ad:8a:e1:77:e9:9b:f9:9b:05:e1:b8:01:8d:61:e1

Fingerprint (SHA-1): c8:e9:61:89:46:61:8f:c5:e6:20:2a:c3:e5:68:82:1f:2e:ea:43:3e
Fingerprint (SHA-256): 3c:80:78:94:47:27:e6:a6:59:78:c9:27:57:98:3f:9d:cd:fa:fb:55:22:91:64:0f:4d:ca:0e:25:a0:91:51:d6

Issuing Certificate URL: http://crt.sectigo.com/SectigoRSADomainValidationSecureServerCA.crt

Revocation Information

OCSP Server: http://ocsp.sectigo.com

Check the revocation status for certificate mail.palmarchi.vn
2
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for mail.palmarchi.vn

Public Key Algorithm
RSA
Key Size
2048
Signature Algorithm
SHA256 with RSA
Key Usage
Key Encipherment
Digital Signature
Extended Key Usages
Server Authentication
Client Authentication
Extensions
9
CA Certificate
This is not a CA certificate

Subject Alternative Names

X.509 Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAw6RilSZgYv7k83rImi1y
WcGEb9kDV3pgo0E43KqEgvsgub8GvbWw43fMRaUmH+dwvTwzot8lBBgkwenXIPlj
T3sEoJXgCFtT1dQaM6QO6BZ/w33Q5u7ksxi1xlOMkFCHxgeHmWru/JjxkZusyIMk
8uxyym76vSq154hh3scVgG12pmJ97jz6zeXTQzQ3jB20Lay+tmyPYTjz0X/5yljs
zEK2GlYVKvpXozlqmMcVhUsE/LSGvrPzd9oy+CF6n5BWJ5zJf0nRHJJUlmQ0yV/q
i2RmPgmEuM9x/Q1+HyPfVyoxPtg5Wiq2S/gQTDEtKuIKRX/njsbV04xTRNBm4fe1
6wIDAQAB
-----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 299213229387014552041499094084164780045
 . . . . . . . . [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 'GB'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.8
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Greater Manchester'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.7
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Salford'
 . . . . . . . . . . . . [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 'Sectigo Limited'
 . . . . . . . . . . . . [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 'Sectigo RSA Domain Validation Secure Server CA'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-06-14 00:00:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2026-07-03 23:59:59 +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.palmarchi.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
 . . . . . . . . . . . . . . . . [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 24697530776641664292757514150000179997961791895669223232205821782702229024450293424340495416600723051393078844071574802780038291447437647454082669017644401379096817114258964698747691193560715300766149406591269056693944540927339729013481119589951548242698489453789877405779095377505981794155251886043772165538122145252959079737200497344629599159620337502120185406194370917370251103332464598537537045207128208313969706557214266255979203174860966199407302766997476203448132663621112864136283184776747727479106119046227740826358868557152535760715506452693386294469509006979410009288782115837701305325330915118546188482027
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.35
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName 8d8c5ec454ad8ae177e99bf99b05e1b8018d61e1
 . . . . . . . . . . . . . . . . [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)
							340a9586525168a0373fb7bb40591687c94b8289
 . . . . . . . . . . . . . . . . [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 2.5.29.19
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.37
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.32
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (66 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.6449.1.2.2.7
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'https://sectigo.com/CPS'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 1.3.6.1.5.5.7.1.1
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (120 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://crt.sectigo.com/SectigoRSADomainValidationSecureServerCA.crt'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://ocsp.sectigo.com'
 . . . . . . . . . . . . . . . . [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 (44 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.palmarchi.vn'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.mail.palmarchi.vn'
 . . . . . . . . . . . . . . . . [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 (364 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (360 bytes)
							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
 . . . . [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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