DNS Report for firefox.com

• ns4-64.akam.net

  • IPv4: 84.53.139.64
  • IPv6: No IPv6 found
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): N/A seconds
  • Recursive: N/A

• ns1-240.akam.net

  • IPv4: 193.108.91.240
  • IPv6: 2600:1401:2::f0
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• ns5-65.akam.net

  • IPv4: 184.85.248.65
  • IPv6: No IPv6 found
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): N/A seconds
  • Recursive: N/A

• ns7-66.akam.net

  • IPv4: 96.7.49.66
  • IPv6: No IPv6 found
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): N/A seconds
  • Recursive: N/A

Nameserver Count - OK

• ns4-64.akam.net

  • Status: Responded
  • IP(s): 35.190.14.201
  • TTL: 600 seconds
  • Recursive Queries: Unclear (Response code: NXDOMAIN)
  • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)

• ns1-240.akam.net

  • Status: Responded
  • IP(s): 35.190.14.201
  • TTL: 600 seconds
  • Recursive Queries: Unclear (Response code: NXDOMAIN)
  • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)

• ns5-65.akam.net

  • Status: Responded
  • IP(s): 35.190.14.201
  • TTL: 600 seconds
  • Recursive Queries: Unclear (Response code: NXDOMAIN)
  • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)

• ns7-66.akam.net

  • Status: Responded
  • IP(s): 35.190.14.201
  • TTL: 600 seconds
  • Recursive Queries: Unclear (Response code: NXDOMAIN)
  • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)

ns4-64.akam.net

• Serial: 2018042978
• Refresh: 180
• Retry: 180
• Expire: 1209600
• Minimum TTL: 3600

ns1-240.akam.net

• Serial: 2018042978
• Refresh: 180
• Retry: 180
• Expire: 1209600
• Minimum TTL: 3600

ns5-65.akam.net

• Serial: 2018042978
• Refresh: 180
• Retry: 180
• Expire: 1209600
• Minimum TTL: 3600

ns7-66.akam.net

• Serial: 2018042978
• Refresh: 180
• Retry: 180
• Expire: 1209600
• Minimum TTL: 3600

Serial: 2018042978 - OK

REFRESH: 180 - OK

RETRY: 180 - OK

EXPIRE: 1209600 - OK

MINIMUM TTL: 3600 - OK

ns4-64.akam.net

• 10 smtp1.mdc1.mozilla.com ( 63.245.208.103 )

ns1-240.akam.net

• 10 smtp1.mdc1.mozilla.com ( 63.245.208.103 )

ns5-65.akam.net

• 10 smtp1.mdc1.mozilla.com ( 63.245.208.103 )

ns7-66.akam.net

• 10 smtp1.mdc1.mozilla.com ( 63.245.208.103 )

MX Record Consistency - OK

MX Record Count - Warning: Only one MX record

• 103.208.245.63.in-addr.arpa -> smtp1.mdc1.mozilla.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 mx a include:amazonses.com include:mail.zendesk.com -all
• SPF Syntax: Failed
• Deprecated Elements: Passed
• IP Addresses:
• Includes: amazonses.com, mail.zendesk.com
• DNS Lookups: 8
• Void Lookups: Passed
• Escaping Chars: Not Present
• All Mechanism: -all

Errors:

• SPF record syntax is invalid

• DKIM Records Found: No

Warnings:

• No DKIM records found for common selectors

• Record: v=DMARC1;p=reject;adkim=r;aspf=r;rua=mailto:[email protected];
• Syntax: Valid
• Policy: reject
• RUA (Aggregate Reports): mailto:[email protected]
• DKIM Alignment (adkim): Relaxed
• SPF Alignment (aspf): Relaxed

DMARC External Validation:

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