DNS Report for fpt.vn

• dns-a.fpt.vn

  • IPv4: 210.245.86.239
  • IPv6: 2405:4800:103:2::4
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• dns-b.fpt.vn

  • IPv4: 118.69.166.10
  • IPv6: 2405:4800:103:1::4
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

Nameserver Count - OK

• dns-a.fpt.vn

  • Status: Responded
  • IP(s): 210.245.86.245
  • TTL: 3600 seconds
  • Recursive Queries: Allows recursive queries
  • TCP Connectivity: Allows TCP connections

• dns-b.fpt.vn

  • Status: Responded
  • IP(s): 210.245.86.245
  • TTL: 3600 seconds
  • Recursive Queries: Allows recursive queries
  • TCP Connectivity: Allows TCP connections

dns-a.fpt.vn

• Serial: 1957
• Refresh: 3600
• Retry: 600
• Expire: 10800
• Minimum TTL: 3600

dns-b.fpt.vn

• Serial: 1957
• Refresh: 3600
• Retry: 600
• Expire: 10800
• Minimum TTL: 3600

Serial: 1957 - OK

REFRESH: 3600 - OK

RETRY: 600 - OK

EXPIRE: 10800 - OK

MINIMUM TTL: 3600 - OK

dns-a.fpt.vn

• 10 isp-mta1.fpt.vn ( 210.245.0.172 )
• 20 isp-mta4.fpt.vn ( 210.245.0.168 )
• 30 tarbaby.junkemailfilter.com ( 184.105.182.219 )

dns-b.fpt.vn

• 10 isp-mta1.fpt.vn ( 210.245.0.172 )
• 20 isp-mta4.fpt.vn ( 210.245.0.168 )
• 30 tarbaby.junkemailfilter.com ( 184.105.182.229 )

MX Record Consistency - Warning: Inconsistencies found

MX Record Count - OK

• 219.182.105.184.in-addr.arpa -> No PTR record found: The DNS query name does not exist: 219.182.105.184.in-addr.arpa.
• 168.0.245.210.in-addr.arpa -> isp-mta4.fpt.vn
• 229.182.105.184.in-addr.arpa -> No PTR record found: The DNS query name does not exist: 229.182.105.184.in-addr.arpa.
• 172.0.245.210.in-addr.arpa -> isp-mta1.fpt.vn

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 ip4:210.245.0.0/27 ip4:210.245.0.128/26 ip4:118.71.228.93 ip4:118.69.190.10 a:isp-fcmail.fpt.net a:isp-mta4.fpt.net a:isp-mta4.fpt.vn a:isp-mta5.fpt.net a:mbx-zimbra.fpt.vn a:isp-man1.fpt.vn a:isp-exch1.fpt.vn a:isp-exch2.fpt.vn mx:fpt.net -all
• SPF Syntax: Failed
• Deprecated Elements: Passed
• IP Addresses: 210.245.0.0/27, 210.245.0.128/26, 118.71.228.93, 118.69.190.10
• Includes:
• DNS Lookups: 17 (Warning: Exceeds limit)
• Void Lookups: Passed
• Escaping Chars: Not Present
• All Mechanism: -all

Warnings:

• SPF record has more than 10 DNS lookups, which may cause lookup limits

Errors:

• SPF record syntax is invalid

• DKIM Records Found: No

Warnings:

• No DKIM records found for common selectors

• Record: None
• Syntax: Invalid
• Policy: None
• RUA (Aggregate Reports):

DMARC External Validation:

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

Errors:

• DMARC record does not exist