DNS Report for a.co

• pdns5.ultradns.info

  • IPv4: 204.74.114.1
  • IPv6: 2610:a1:1016::1
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• pdns6.ultradns.co.uk

  • IPv4: 204.74.115.1
  • IPv6: 2610:a1:1017::1
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• pdns1.ultradns.net

  • IPv4: 204.74.108.1
  • IPv6: 2001:502:f3ff::1
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• pdns2.ultradns.net

  • IPv4: 204.74.109.1
  • IPv6: 2610:a1:1014::1
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• pdns4.ultradns.org

  • IPv4: 199.7.69.1
  • IPv6: 2001:502:4612::1
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• pdns3.ultradns.org

  • IPv4: 199.7.68.1
  • IPv6: 2610:a1:1015::1
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

Nameserver Count - OK

• pdns5.ultradns.info

  • Status: Responded
  • IP(s): 54.239.16.179, 54.239.21.27, 54.239.20.248
  • TTL: 900 seconds
  • Recursive Queries: Allows recursive queries
  • TCP Connectivity: Allows TCP connections

• pdns6.ultradns.co.uk

  • Status: Responded
  • IP(s): 54.239.16.179, 54.239.20.248, 54.239.21.27
  • TTL: 900 seconds
  • Recursive Queries: Allows recursive queries
  • TCP Connectivity: Allows TCP connections

• pdns1.ultradns.net

  • Status: Responded
  • IP(s): 54.239.20.248, 54.239.16.179, 54.239.21.27
  • TTL: 900 seconds
  • Recursive Queries: Allows recursive queries
  • TCP Connectivity: Allows TCP connections

• pdns2.ultradns.net

  • Status: Responded
  • IP(s): 54.239.16.179, 54.239.20.248, 54.239.21.27
  • TTL: 900 seconds
  • Recursive Queries: Allows recursive queries
  • TCP Connectivity: Allows TCP connections

• pdns4.ultradns.org

  • Status: Responded
  • IP(s): 54.239.16.179, 54.239.20.248, 54.239.21.27
  • TTL: 900 seconds
  • Recursive Queries: Allows recursive queries
  • TCP Connectivity: Allows TCP connections

• pdns3.ultradns.org

  • Status: Responded
  • IP(s): 54.239.21.27, 54.239.16.179, 54.239.20.248
  • TTL: 900 seconds
  • Recursive Queries: Allows recursive queries
  • TCP Connectivity: Allows TCP connections

pdns5.ultradns.info

• Serial: 16
• Refresh: 28800
• Retry: 900
• Expire: 604800
• Minimum TTL: 900

pdns6.ultradns.co.uk

• Serial: 16
• Refresh: 28800
• Retry: 900
• Expire: 604800
• Minimum TTL: 900

pdns1.ultradns.net

• Serial: 16
• Refresh: 28800
• Retry: 900
• Expire: 604800
• Minimum TTL: 900

pdns2.ultradns.net

• Serial: 16
• Refresh: 28800
• Retry: 900
• Expire: 604800
• Minimum TTL: 900

pdns4.ultradns.org

• Serial: 16
• Refresh: 28800
• Retry: 900
• Expire: 604800
• Minimum TTL: 900

pdns3.ultradns.org

• Serial: 16
• Refresh: 28800
• Retry: 900
• Expire: 604800
• Minimum TTL: 900

Serial: 16 - OK

REFRESH: 28800 - OK

RETRY: 900 - OK

EXPIRE: 604800 - OK

MINIMUM TTL: 900 - Note: Outside recommended range (1-3 hours)

pdns5.ultradns.info

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

pdns6.ultradns.co.uk

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

pdns1.ultradns.net

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

pdns2.ultradns.net

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

pdns4.ultradns.org

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

pdns3.ultradns.org

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

MX Record Consistency - OK

MX Record Count - OK

No PTR records data available.

• 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 -all
• SPF Syntax: Passed
• Deprecated Elements: Passed
• IP Addresses:
• Includes:
• DNS Lookups: 1
• Void Lookups: Passed
• Escaping Chars: Not Present
• All Mechanism: -all

• DKIM Records Found: No

Warnings:

• No DKIM records found for common selectors

• Record: v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]
• Syntax: Valid
• Policy: reject
• RUA (Aggregate Reports): mailto:[email protected]
• RUF (Forensic Reports): mailto:[email protected]

DMARC External Validation:

• Invalid external domains: dmarc.amazon.com, dmarc.amazon.com

Warnings:

• Some external domains are not properly configured to receive DMARC reports: dmarc.amazon.com, dmarc.amazon.com