DNS Report for amazon.com

• ns1.amzndns.co.uk

  • IPv4: 156.154.67.10
  • IPv6: 2001:502:4612::10
  • TTL (IPv4): 591 seconds
  • TTL (IPv6): 464 seconds
  • Recursive: N/A

• ns1.amzndns.com

  • IPv4: 156.154.64.10
  • IPv6: 2001:502:f3ff::10
  • TTL (IPv4): 1635 seconds
  • TTL (IPv6): 1570 seconds
  • Recursive: N/A

• ns1.amzndns.net

  • IPv4: 156.154.65.10
  • IPv6: 2610:a1:1014::10
  • TTL (IPv4): 1634 seconds
  • TTL (IPv6): 1609 seconds
  • Recursive: N/A

• ns1.amzndns.org

  • IPv4: 156.154.66.10
  • IPv6: 2610:a1:1015::10
  • TTL (IPv4): 3600 seconds
  • TTL (IPv6): 1610 seconds
  • Recursive: N/A

• ns2.amzndns.co.uk

  • IPv4: 204.74.120.1
  • IPv6: 2610:a1:32d1::53
  • TTL (IPv4): 1616 seconds
  • TTL (IPv6): 1608 seconds
  • Recursive: N/A

• ns2.amzndns.com

  • IPv4: 156.154.68.10
  • IPv6: 2610:a1:1016::10
  • TTL (IPv4): 1636 seconds
  • TTL (IPv6): 3450 seconds
  • Recursive: N/A

• ns2.amzndns.net

  • IPv4: 156.154.69.10
  • IPv6: 2610:a1:1017::10
  • TTL (IPv4): 1632 seconds
  • TTL (IPv6): 1378 seconds
  • Recursive: N/A

• ns2.amzndns.org

  • IPv4: 156.154.150.1
  • IPv6: 2610:a1:31d1::53
  • TTL (IPv4): 3000 seconds
  • TTL (IPv6): 1610 seconds
  • Recursive: N/A

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

• ns1.amzndns.co.uk

  • Status: Responded
  • IP(s): 54.239.28.85, 205.251.242.103, 52.94.236.248
  • 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): 205.251.242.103, 52.94.236.248, 54.239.28.85
  • 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): 54.239.28.85, 205.251.242.103, 52.94.236.248
  • 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): 52.94.236.248, 205.251.242.103, 54.239.28.85
  • 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): 54.239.28.85, 205.251.242.103, 52.94.236.248
  • 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): 52.94.236.248, 205.251.242.103, 54.239.28.85
  • 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): 205.251.242.103, 52.94.236.248, 54.239.28.85
  • TTL: 900 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• ns2.amzndns.org

  • Status: Responded
  • IP(s): 52.94.236.248, 54.239.28.85, 205.251.242.103
  • TTL: 900 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

ns1.amzndns.co.uk

• Serial: 2010187193
• Refresh: 180
• Retry: 60
• Expire: 604800
• Minimum TTL: 900

ns1.amzndns.com

• Serial: 2010187193
• Refresh: 180
• Retry: 60
• Expire: 604800
• Minimum TTL: 900

ns1.amzndns.net

• Serial: 2010187193
• Refresh: 180
• Retry: 60
• Expire: 604800
• Minimum TTL: 900

ns1.amzndns.org

• Serial: 2010187193
• Refresh: 180
• Retry: 60
• Expire: 604800
• Minimum TTL: 900

ns2.amzndns.co.uk

• Serial: 2010187193
• Refresh: 180
• Retry: 60
• Expire: 604800
• Minimum TTL: 900

ns2.amzndns.com

• Serial: 2010187193
• Refresh: 180
• Retry: 60
• Expire: 604800
• Minimum TTL: 900

ns2.amzndns.net

• Serial: 2010187193
• Refresh: 180
• Retry: 60
• Expire: 604800
• Minimum TTL: 900

ns2.amzndns.org

• Serial: 2010187193
• Refresh: 180
• Retry: 60
• Expire: 604800
• Minimum TTL: 900

Serial: 2010187193 - OK

REFRESH: 180 - OK

RETRY: 60 - OK

EXPIRE: 604800 - OK

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

ns1.amzndns.co.uk

• 5 amazon-smtp.amazon.com ( 34.250.55.103 )

ns1.amzndns.com

• 5 amazon-smtp.amazon.com ( 34.250.55.103 )

ns1.amzndns.net

• 5 amazon-smtp.amazon.com ( 34.250.55.103 )

ns1.amzndns.org

• 5 amazon-smtp.amazon.com ( 34.250.55.103 )

ns2.amzndns.co.uk

• 5 amazon-smtp.amazon.com ( 34.250.55.103 )

ns2.amzndns.com

• 5 amazon-smtp.amazon.com ( 34.250.55.103 )

ns2.amzndns.net

• 5 amazon-smtp.amazon.com ( 34.250.55.103 )

ns2.amzndns.org

• 5 amazon-smtp.amazon.com ( 34.250.55.103 )

MX Record Consistency - OK

MX Record Count - Warning: Only one MX record

• 103.55.250.34.in-addr.arpa -> smtp01.eu-west-1.mail-perimeter.amazon.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 include:spf1.amazon.com include:spf2.amazon.com include:amazonses.com -all
• SPF Syntax: Passed
• Deprecated Elements: Passed
• IP Addresses:
• Includes: spf1.amazon.com, spf2.amazon.com, amazonses.com
• DNS Lookups: 10
• Void Lookups: Passed
• Escaping Chars: Not Present
• All Mechanism: -all

• DKIM Records Found: Yes
• Selectors Found: mail
• Selector 'mail':
  Record: v=DKIM1; p=
• Valid Syntax: No

Warnings:

• DKIM record for selector 'mail' may be incomplete

• Record: v=DMARC1;
• Syntax: Valid
• Policy: None
• RUA (Aggregate Reports):

DMARC External Validation:

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

Warnings:

• Invalid policy: None