DNS Report for io.vn

• g.dns-servers.vn

  • IPv4: 204.61.216.115
  • IPv6: 2001:500:14:6115:ad::1
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• c.dns-servers.vn

  • IPv4: 203.119.38.105
  • IPv6: 2001:dc8:c000:7::105
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• d.dns-servers.vn

  • IPv4: 203.119.44.105
  • IPv6: 2001:dc8:8000:2::105
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• h.dns-servers.vn

  • IPv4: 202.47.142.105
  • IPv6: 2001:dc8:6000::105
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• f.dns-servers.vn

  • IPv4: 203.119.68.105
  • IPv6: 2001:dc8:d000:2::105
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• e.dns-servers.vn

  • IPv4: 203.119.60.105
  • IPv6: 2001:dc8:1000:2::105
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• a.dns-servers.vn

  • IPv4: 194.0.1.18
  • IPv6: 2001:678:4::12
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• b.dns-servers.vn

  • IPv4: 203.119.73.105
  • IPv6: 2001:dc8:1:2::105
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

Nameserver Count - Note: 8 nameservers (recommended: 2-7)

• g.dns-servers.vn

  • Status: Failed: The DNS response does not contain an answer to the question: io.vn. IN A
  • IP(s):
  • TTL: N/A seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• c.dns-servers.vn

  • Status: Failed: The DNS response does not contain an answer to the question: io.vn. IN A
  • IP(s):
  • TTL: N/A seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• d.dns-servers.vn

  • Status: Failed: The DNS response does not contain an answer to the question: io.vn. IN A
  • IP(s):
  • TTL: N/A seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• h.dns-servers.vn

  • Status: Failed: The DNS response does not contain an answer to the question: io.vn. IN A
  • IP(s):
  • TTL: N/A seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• f.dns-servers.vn

  • Status: Failed: The DNS response does not contain an answer to the question: io.vn. IN A
  • IP(s):
  • TTL: N/A seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• e.dns-servers.vn

  • Status: Failed: The DNS response does not contain an answer to the question: io.vn. IN A
  • IP(s):
  • TTL: N/A seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• a.dns-servers.vn

  • Status: Failed: The DNS response does not contain an answer to the question: io.vn. IN A
  • IP(s):
  • TTL: N/A seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• b.dns-servers.vn

  • Status: Failed: The DNS response does not contain an answer to the question: io.vn. IN A
  • IP(s):
  • TTL: N/A seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

g.dns-servers.vn

• Serial: 2023189000
• Refresh: 3600
• Retry: 1800
• Expire: 604800
• Minimum TTL: 5400

c.dns-servers.vn

• Serial: 2023189000
• Refresh: 3600
• Retry: 1800
• Expire: 604800
• Minimum TTL: 5400

d.dns-servers.vn

• Serial: 2023189000
• Refresh: 3600
• Retry: 1800
• Expire: 604800
• Minimum TTL: 5400

h.dns-servers.vn

• Serial: 2023189000
• Refresh: 3600
• Retry: 1800
• Expire: 604800
• Minimum TTL: 5400

f.dns-servers.vn

• Serial: 2023189000
• Refresh: 3600
• Retry: 1800
• Expire: 604800
• Minimum TTL: 5400

e.dns-servers.vn

• Serial: 2023189000
• Refresh: 3600
• Retry: 1800
• Expire: 604800
• Minimum TTL: 5400

a.dns-servers.vn

• Serial: 2023189000
• Refresh: 3600
• Retry: 1800
• Expire: 604800
• Minimum TTL: 5400

b.dns-servers.vn

• Serial: 2023189000
• Refresh: 3600
• Retry: 1800
• Expire: 604800
• Minimum TTL: 5400

Serial: 2023189000 - OK

REFRESH: 3600 - OK

RETRY: 1800 - OK

EXPIRE: 604800 - OK

MINIMUM TTL: 5400 - OK

g.dns-servers.vn

Error: The DNS response does not contain an answer to the question: io.vn. IN MX

c.dns-servers.vn

Error: The DNS response does not contain an answer to the question: io.vn. IN MX

d.dns-servers.vn

Error: The DNS response does not contain an answer to the question: io.vn. IN MX

h.dns-servers.vn

Error: The DNS response does not contain an answer to the question: io.vn. IN MX

f.dns-servers.vn

Error: The DNS response does not contain an answer to the question: io.vn. IN MX

e.dns-servers.vn

Error: The DNS response does not contain an answer to the question: io.vn. IN MX

a.dns-servers.vn

Error: The DNS response does not contain an answer to the question: io.vn. IN MX

b.dns-servers.vn

Error: The DNS response does not contain an answer to the question: io.vn. IN MX

MX Record Consistency - OK

MX Record Count - OK

No PTR records data available.

• Signed: Yes
• Validation: Successful
• DNSKEY Records: 2
• DS Records in parent zone: 0
• DS at Parent: None

DNSSEC - OK

SPF Record Published: Failed

Multiple SPF Records: Passed

Errors:

• No TXT records found

• 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