DNS Report for brother.co.jp

• ns1.cdnetdns.net

  • IPv4: 174.35.49.33, 66.114.55.22, 138.113.24.63, 157.185.171.185
  • IPv6: No IPv6 found
  • TTL (IPv4): 28 seconds
  • TTL (IPv6): N/A seconds
  • Recursive: N/A

• ns2.cdnetdns.net

  • IPv4: 157.185.171.185, 174.35.6.50, 138.113.24.63, 163.171.252.10
  • IPv6: No IPv6 found
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): N/A seconds
  • Recursive: N/A

Nameserver Count - OK

• ns1.cdnetdns.net

  • Status: Responded
  • IP(s): 76.223.21.81, 13.248.151.157
  • TTL: 3600 seconds
  • Recursive Queries: Unclear (Response code: NXDOMAIN)
  • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)

• ns2.cdnetdns.net

  • Status: Responded
  • IP(s): 76.223.21.81, 13.248.151.157
  • TTL: 3600 seconds
  • Recursive Queries: Unclear (Response code: NXDOMAIN)
  • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)

ns1.cdnetdns.net

• Serial: 2017032201
• Refresh: 3600
• Retry: 1800
• Expire: 1209600
• Minimum TTL: 3600

ns2.cdnetdns.net

• Serial: 2017032201
• Refresh: 3600
• Retry: 1800
• Expire: 1209600
• Minimum TTL: 3600

Serial: 2017032201 - OK

REFRESH: 3600 - OK

RETRY: 1800 - OK

EXPIRE: 1209600 - OK

MINIMUM TTL: 3600 - OK

ns1.cdnetdns.net

• 100 brother-co-jp.mail.protection.outlook.com ( 52.101.41.0 )

ns2.cdnetdns.net

• 100 brother-co-jp.mail.protection.outlook.com ( 52.101.41.3 )

MX Record Consistency - Warning: Inconsistencies found

MX Record Count - Warning: Only one MX record

• 3.41.101.52.in-addr.arpa -> mail-sj2pr05cu00103.inbound.protection.outlook.com
• 0.41.101.52.in-addr.arpa -> mail-byapr05cu00400.inbound.protection.outlook.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.brother.co.jp include:amazonses.com include:crmstyle.com include:spf.protection.outlook.com include:spf.list-finder.jp include:custhelp.com ip4:210.148.173.1 ip4:118.67.69.0/24 ip4:184.72.229.31 ip4:113.39.72.110 ip4:211.8.26.108 ip4:2
• SPF Syntax: Passed
• Deprecated Elements: Passed
• IP Addresses: 210.148.173.1, 118.67.69.0/24, 184.72.229.31, 113.39.72.110, 211.8.26.108, 2
• Includes: _spf.brother.co.jp, amazonses.com, crmstyle.com, spf.protection.outlook.com, spf.list-finder.jp, custhelp.com
• DNS Lookups: 8
• Void Lookups: Passed
• Escaping Chars: Not Present
• All Mechanism: Not Present

Warnings:

• SPF record doesn't contain an 'all' mechanism

• DKIM Records Found: Yes
• Selectors Found: default
• Selector 'default':
  Record: v=DKIM1; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAnDIBTucv1lLrz1tjYRZIU23mqU1ITobrvQ9n18p/JggdDrwb8faWKewCVx65rhY2lKnyQqTK1Z7V2KOJ3KGIB1R+SKOygn6E7zboMT4/hIp8hk5EX+8XGt0SZXekQ+ELlJzzhmBQbfDpyMhFrKDagBJIsMacMsEsw3LfF5e4GEufEqAbkeWWU/lP2Fzsl2LaWLWESkUO
• Valid Syntax: No

Warnings:

• DKIM record for selector 'default' may be incomplete

• 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: emaildefense.proofpoint.com, emaildefense.proofpoint.com
• All external domains in your DMARC record are giving permission to send them DMARC reports.