DNS Report for amazon-adsystem.com

• ns2.amzndns.org

  • IPv4: 156.154.150.1
  • IPv6: 2610:a1:31d1::53
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• ns1.amzndns.com

  • IPv4: 156.154.64.10
  • IPv6: 2001:502:f3ff::10
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• ns2.amzndns.co.uk

  • IPv4: 204.74.120.1
  • IPv6: 2610:a1:32d1::53
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• ns1.amzndns.co.uk

  • IPv4: 156.154.67.10
  • IPv6: 2001:502:4612::10
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• ns2.amzndns.net

  • IPv4: 156.154.69.10
  • IPv6: 2610:a1:1017::10
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• ns2.amzndns.com

  • IPv4: 156.154.68.10
  • IPv6: 2610:a1:1016::10
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• ns1.amzndns.net

  • IPv4: 156.154.65.10
  • IPv6: 2610:a1:1014::10
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• ns1.amzndns.org

  • IPv4: 156.154.66.10
  • IPv6: 2610:a1:1015::10
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

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

• ns2.amzndns.org

  • Status: Responded
  • IP(s): 52.200.46.40, 52.205.243.115, 54.145.59.57
  • TTL: 900 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• ns1.amzndns.com

  • Status: Responded
  • IP(s): 52.200.46.40, 54.145.59.57, 52.205.243.115
  • TTL: 900 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• ns2.amzndns.co.uk

  • Status: Responded
  • IP(s): 52.205.243.115, 54.145.59.57, 52.200.46.40
  • TTL: 900 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• ns1.amzndns.co.uk

  • Status: Responded
  • IP(s): 54.145.59.57, 52.200.46.40, 52.205.243.115
  • TTL: 900 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• ns2.amzndns.net

  • Status: Responded
  • IP(s): 52.205.243.115, 52.200.46.40, 54.145.59.57
  • TTL: 900 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• ns2.amzndns.com

  • Status: Responded
  • IP(s): 52.200.46.40, 52.205.243.115, 54.145.59.57
  • TTL: 900 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• ns1.amzndns.net

  • Status: Responded
  • IP(s): 54.145.59.57, 52.200.46.40, 52.205.243.115
  • TTL: 900 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• ns1.amzndns.org

  • Status: Responded
  • IP(s): 52.205.243.115, 54.145.59.57, 52.200.46.40
  • TTL: 900 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

ns2.amzndns.org

• Serial: 603
• Refresh: 600
• Retry: 300
• Expire: 604800
• Minimum TTL: 900

ns1.amzndns.com

• Serial: 603
• Refresh: 600
• Retry: 300
• Expire: 604800
• Minimum TTL: 900

ns2.amzndns.co.uk

• Serial: 603
• Refresh: 600
• Retry: 300
• Expire: 604800
• Minimum TTL: 900

ns1.amzndns.co.uk

• Serial: 603
• Refresh: 600
• Retry: 300
• Expire: 604800
• Minimum TTL: 900

ns2.amzndns.net

• Serial: 603
• Refresh: 600
• Retry: 300
• Expire: 604800
• Minimum TTL: 900

ns2.amzndns.com

• Serial: 603
• Refresh: 600
• Retry: 300
• Expire: 604800
• Minimum TTL: 900

ns1.amzndns.net

• Serial: 603
• Refresh: 600
• Retry: 300
• Expire: 604800
• Minimum TTL: 900

ns1.amzndns.org

• Serial: 603
• Refresh: 600
• Retry: 300
• Expire: 604800
• Minimum TTL: 900

Serial: 603 - OK

REFRESH: 600 - OK

RETRY: 300 - OK

EXPIRE: 604800 - OK

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

ns2.amzndns.org

Error: The DNS response does not contain an answer to the question: amazon-adsystem.com. IN MX

ns1.amzndns.com

Error: The DNS response does not contain an answer to the question: amazon-adsystem.com. IN MX

ns2.amzndns.co.uk

Error: The DNS response does not contain an answer to the question: amazon-adsystem.com. IN MX

ns1.amzndns.co.uk

Error: The DNS response does not contain an answer to the question: amazon-adsystem.com. IN MX

ns2.amzndns.net

Error: The DNS response does not contain an answer to the question: amazon-adsystem.com. IN MX

ns2.amzndns.com

Error: The DNS response does not contain an answer to the question: amazon-adsystem.com. IN MX

ns1.amzndns.net

Error: The DNS response does not contain an answer to the question: amazon-adsystem.com. IN MX

ns1.amzndns.org

Error: The DNS response does not contain an answer to the question: amazon-adsystem.com. 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