DNS Report for mathtag.com

• dns3.p01.nsone.net

  • IPv4: 198.51.44.65
  • IPv6: 2620:4d:4000:6259:7:1:0:3
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• dns2.p01.nsone.net

  • IPv4: 198.51.45.1
  • IPv6: 2a00:edc0:6259:7:1::2
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• dns4.p01.nsone.net

  • IPv4: 198.51.45.65
  • IPv6: 2a00:edc0:6259:7:1::4
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• dns1.p01.nsone.net

  • IPv4: 198.51.44.1
  • IPv6: 2620:4d:4000:6259:7:1:0:1
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

Nameserver Count - OK

• dns3.p01.nsone.net

  • Status: Responded
  • IP(s): 74.121.140.207
  • TTL: 300 seconds
  • Recursive Queries: Unclear (Response code: NXDOMAIN)
  • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)

• dns2.p01.nsone.net

  • Status: Responded
  • IP(s): 74.121.140.207
  • TTL: 300 seconds
  • Recursive Queries: Unclear (Response code: NXDOMAIN)
  • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)

• dns4.p01.nsone.net

  • Status: Responded
  • IP(s): 74.121.140.207
  • TTL: 300 seconds
  • Recursive Queries: Unclear (Response code: NXDOMAIN)
  • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)

• dns1.p01.nsone.net

  • Status: Responded
  • IP(s): 74.121.140.207
  • TTL: 300 seconds
  • Recursive Queries: Unclear (Response code: NXDOMAIN)
  • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)

dns3.p01.nsone.net

• Serial: 1680551232
• Refresh: 3600
• Retry: 600
• Expire: 604800
• Minimum TTL: 120

dns2.p01.nsone.net

• Serial: 1680551232
• Refresh: 3600
• Retry: 600
• Expire: 604800
• Minimum TTL: 120

dns4.p01.nsone.net

• Serial: 1680551232
• Refresh: 3600
• Retry: 600
• Expire: 604800
• Minimum TTL: 120

dns1.p01.nsone.net

• Serial: 1680551232
• Refresh: 3600
• Retry: 600
• Expire: 604800
• Minimum TTL: 120

Serial: 1680551232 - OK

REFRESH: 3600 - OK

RETRY: 600 - OK

EXPIRE: 604800 - OK

MINIMUM TTL: 120 - Note: Outside recommended range (1-3 hours)

dns3.p01.nsone.net

• 10 mathtag-com.mail.protection.outlook.com ( 52.101.41.3 )

dns2.p01.nsone.net

• 10 mathtag-com.mail.protection.outlook.com ( 52.101.41.3 )

dns4.p01.nsone.net

• 10 mathtag-com.mail.protection.outlook.com ( 52.101.41.24 )

dns1.p01.nsone.net

• 10 mathtag-com.mail.protection.outlook.com ( 52.101.10.2 )

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
• 2.10.101.52.in-addr.arpa -> mail-bn8pr03cu00202.inbound.protection.outlook.com
• 24.41.101.52.in-addr.arpa -> mail-sj0pr03cu01600.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.protection.outlook.com -all
• SPF Syntax: Passed
• Deprecated Elements: Passed
• IP Addresses:
• Includes: spf.protection.outlook.com
• DNS Lookups: 2
• Void Lookups: Passed
• Escaping Chars: Not Present
• All Mechanism: -all

• DKIM Records Found: No

Warnings:

• No DKIM records found for common selectors

• Record: None
• Syntax: Invalid
• Policy: None
• RUA (Aggregate Reports):

DMARC External Validation:

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

Errors:

• DMARC record does not exist