DNS Report for backlog.com

• ns-1404.awsdns-47.org

  • IPv4: 205.251.197.124
  • IPv6: 2600:9000:5305:7c00::1
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• ns-1778.awsdns-30.co.uk

  • IPv4: 205.251.198.242
  • IPv6: 2600:9000:5306:f200::1
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• ns-230.awsdns-28.com

  • IPv4: 205.251.192.230
  • IPv6: 2600:9000:5300:e600::1
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• ns-731.awsdns-27.net

  • IPv4: 205.251.194.219
  • IPv6: 2600:9000:5302:db00::1
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

Nameserver Count - OK

• ns-1404.awsdns-47.org

  • Status: Responded
  • IP(s): 108.138.85.26, 108.138.85.80, 108.138.85.53, 108.138.85.51
  • TTL: 60 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• ns-1778.awsdns-30.co.uk

  • Status: Responded
  • IP(s): 108.138.85.51, 108.138.85.80, 108.138.85.26, 108.138.85.53
  • TTL: 60 seconds
  • Recursive Queries: Unclear (Response code: NXDOMAIN)
  • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)

• ns-230.awsdns-28.com

  • Status: Responded
  • IP(s): 108.138.85.80, 108.138.85.53, 108.138.85.51, 108.138.85.26
  • TTL: 60 seconds
  • Recursive Queries: Unclear (Response code: NOERROR)
  • TCP Connectivity: Allows TCP connections

• ns-731.awsdns-27.net

  • Status: Responded
  • IP(s): 108.138.85.80, 108.138.85.26, 108.138.85.51, 108.138.85.53
  • TTL: 60 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

ns-1404.awsdns-47.org

• Serial: 1
• Refresh: 7200
• Retry: 900
• Expire: 1209600
• Minimum TTL: 86400

ns-1778.awsdns-30.co.uk

• Serial: 1
• Refresh: 7200
• Retry: 900
• Expire: 1209600
• Minimum TTL: 86400

ns-230.awsdns-28.com

• Serial: 1
• Refresh: 7200
• Retry: 900
• Expire: 1209600
• Minimum TTL: 86400

ns-731.awsdns-27.net

• Serial: 1
• Refresh: 7200
• Retry: 900
• Expire: 1209600
• Minimum TTL: 86400

Serial: 1 - OK

REFRESH: 7200 - OK

RETRY: 900 - OK

EXPIRE: 1209600 - OK

MINIMUM TTL: 86400 - Note: Outside recommended range (1-3 hours)

ns-1404.awsdns-47.org

• 10 mta01.nulab-inc.com ( 96.126.108.103 )
• 10 mta02.nulab-inc.com ( 139.162.22.126 )

ns-1778.awsdns-30.co.uk

• 10 mta01.nulab-inc.com ( 96.126.108.103 )
• 10 mta02.nulab-inc.com ( 139.162.22.126 )

ns-230.awsdns-28.com

• 10 mta01.nulab-inc.com ( 96.126.108.103 )
• 10 mta02.nulab-inc.com ( 139.162.22.126 )

ns-731.awsdns-27.net

• 10 mta01.nulab-inc.com ( 96.126.108.103 )
• 10 mta02.nulab-inc.com ( 139.162.22.126 )

MX Record Consistency - OK

MX Record Count - OK

• 103.108.126.96.in-addr.arpa -> mta01.nulab-inc.com
• 126.22.162.139.in-addr.arpa -> mta02.nulab-inc.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:_spf.google.com include:jp.spf.backlog.com include:us.spf.backlog.com include:mktomail.com include:spf.tapfiliate.com ~all
• SPF Syntax: Passed
• Deprecated Elements: Passed
• IP Addresses:
• Includes: _spf.google.com, jp.spf.backlog.com, us.spf.backlog.com, mktomail.com, spf.tapfiliate.com
• DNS Lookups: 11 (Warning: Exceeds limit)
• Void Lookups: Passed
• Escaping Chars: Not Present
• All Mechanism: ~all

Warnings:

• SPF record has more than 10 DNS lookups, which may cause lookup limits

• DKIM Records Found: No

Warnings:

• No DKIM records found for common selectors

• Record: v=DMARC1; p=none; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected];
• Syntax: Valid
• Policy: none
• RUA (Aggregate Reports): mailto:[email protected]
• RUF (Forensic Reports): mailto:[email protected]
• Failure Options (fo): 1

DMARC External Validation:

• Valid external domains: mxtoolbox.dmarc-report.com, forensics.dmarc-report.com
• All external domains in your DMARC record are giving permission to send them DMARC reports.