DNS Report for acb.com.vn

• ns1.dns.net.vn

  • IPv4: 210.211.108.160
  • IPv6: 2401:5f80:4001:2::5
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• ns2.dns.net.vn

  • IPv4: 103.45.229.100
  • IPv6: 2403:6000:3:3::
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

Nameserver Count - OK

• ns1.dns.net.vn

  • Status: Responded
  • IP(s): 202.59.252.13
  • TTL: 3600 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• ns2.dns.net.vn

  • Status: Responded
  • IP(s): 202.59.252.13
  • TTL: 3600 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

ns1.dns.net.vn

• Serial: 1725002641
• Refresh: 7200
• Retry: 1800
• Expire: 1209600
• Minimum TTL: 3600

ns2.dns.net.vn

• Serial: 1725002641
• Refresh: 7200
• Retry: 1800
• Expire: 1209600
• Minimum TTL: 3600

Serial: 1725002641 - OK

REFRESH: 7200 - OK

RETRY: 1800 - OK

EXPIRE: 1209600 - OK

MINIMUM TTL: 3600 - OK

ns1.dns.net.vn

• 10 acb-com-vn.mail.protection.outlook.com ( 52.101.132.28 )

ns2.dns.net.vn

• 10 acb-com-vn.mail.protection.outlook.com ( 52.101.137.0 )

MX Record Consistency - Warning: Inconsistencies found

MX Record Count - Warning: Only one MX record

• 0.137.101.52.in-addr.arpa -> mail-sg2pr03cu00500.inbound.protection.outlook.com
• 28.132.101.52.in-addr.arpa -> mail-hk2pr02cu00104.inbound.protection.outlook.com

PTR Records - OK

• Signed: No
• Validation: Failed
• DNSKEY Records: None
• DS Records in parent zone: None
• DS at Parent: None

DNSSEC - Note: Domain is not signed with DNSSEC

Error: No DNSSEC records found

SPF Record Published: Passed

Multiple SPF Records: Passed

SPF Record 1:

• Record: v=spf1 mx ip4:202.59.252.155 ip4:202.59.252.156 ip4:202.59.252.157 ip4:202.59.252.158 ip4:202.59.252.113 ip4:202.59.252.138 ip4:202.59.253.113 include:spf.protection.outlook.com -all
• SPF Syntax: Failed
• Deprecated Elements: Passed
• IP Addresses: 202.59.252.155, 202.59.252.156, 202.59.252.157, 202.59.252.158, 202.59.252.113, 202.59.252.138, 202.59.253.113
• Includes: spf.protection.outlook.com
• DNS Lookups: 3
• Void Lookups: Passed
• Escaping Chars: Not Present
• All Mechanism: -all

Errors:

• SPF record syntax is invalid

• DKIM Records Found: Yes
• Selectors Found: s1
• Selector 's1':
  Record: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArAiXwMzyEtm0wXE1BHxQS2UmQfG5D54YdhjAeVPPcu7gFXJO+RhPFx6ZN4br4sVOW9NP0YyZhhJsO/urtlE78m4x//EvtHq3ehZyWF4d9/Oy6E8Xno8L833Is5/M2ug7pDMsMOpX4I6K30a
• Valid Syntax: Yes

• Record: v=DMARC1;p=none;sp=none;rua=mailto:[email protected];ruf=mailto:[email protected];fo=1
• Syntax: Valid
• Policy: none
• Subdomain Policy: none
• RUA (Aggregate Reports): mailto:[email protected]
• RUF (Forensic Reports): mailto:[email protected]
• Failure Options (fo): 1

DMARC External Validation:

• All external domains in your DMARC record are giving permission to send them DMARC reports.