DNS Report for lexmark.com

• 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

• 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

• 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

• 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

Nameserver Count - OK

• dns1.p01.nsone.net

  • Status: Responded
  • IP(s): 192.229.210.135
  • 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): 192.229.210.135
  • TTL: 300 seconds
  • Recursive Queries: Unclear (Response code: NXDOMAIN)
  • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)

• dns3.p01.nsone.net

  • Status: Responded
  • IP(s): 192.229.210.135
  • 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): 192.229.210.135
  • TTL: 300 seconds
  • Recursive Queries: Unclear (Response code: NXDOMAIN)
  • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)

dns1.p01.nsone.net

• Serial: 1655394017
• Refresh: 83000
• Retry: 10000
• Expire: 1209600
• Minimum TTL: 3600

dns2.p01.nsone.net

• Serial: 1655394017
• Refresh: 83000
• Retry: 10000
• Expire: 1209600
• Minimum TTL: 3600

dns3.p01.nsone.net

• Serial: 1655394017
• Refresh: 83000
• Retry: 10000
• Expire: 1209600
• Minimum TTL: 3600

dns4.p01.nsone.net

• Serial: 1655394017
• Refresh: 83000
• Retry: 10000
• Expire: 1209600
• Minimum TTL: 3600

Serial: 1655394017 - OK

REFRESH: 83000 - OK

RETRY: 10000 - OK

EXPIRE: 1209600 - OK

MINIMUM TTL: 3600 - OK

dns1.p01.nsone.net

• 1 lexmark-com.mail.protection.outlook.com ( 52.101.8.34 )

dns2.p01.nsone.net

• 1 lexmark-com.mail.protection.outlook.com ( 52.101.194.4 )

dns3.p01.nsone.net

• 1 lexmark-com.mail.protection.outlook.com ( 52.101.41.0 )

dns4.p01.nsone.net

• 1 lexmark-com.mail.protection.outlook.com ( 52.101.194.4 )

MX Record Consistency - Warning: Inconsistencies found

MX Record Count - Warning: Only one MX record

• 34.8.101.52.in-addr.arpa -> mail-dm2pr04cu00102.inbound.protection.outlook.com
• 0.41.101.52.in-addr.arpa -> mail-byapr05cu00400.inbound.protection.outlook.com
• 4.194.101.52.in-addr.arpa -> mail-ch4pr04cu00104.inbound.protection.outlook.com

PTR Records - OK

• Signed: Yes
• Validation: Successful
• DNSKEY Records: 2
• DS Records in parent zone: 0
• DS at Parent: False

DNSSEC - OK

SPF Record Published: Passed

Multiple SPF Records: Passed

SPF Record 1:

• Record: v=spf1 redirect=_spf.lexmark.com
• SPF Syntax: Failed
• Deprecated Elements: Passed
• IP Addresses:
• Includes:
• DNS Lookups: 1
• Void Lookups: Passed
• Escaping Chars: Not Present
• All Mechanism: Not Present

Warnings:

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

Errors:

• SPF record syntax is invalid

• DKIM Records Found: Yes
• Selectors Found: selector1
• Selector 'selector1':
  Record: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxEZk307DRRrXv/8FIVoYedGwFrhoT5stc/5vgOLIA7tCzBaBQEDdhRIsjSlI5qQRj7OxlL69kH9Huq5mz4qSVnLwaC+HEtfap6uuV2pOewgdJn5gIj00ZKpG00MJ0pFN0ja87IoTIxf1B4cVaSJk+ys6pnLsJpawdMlrrMMhG3dR2dTY6xG76zEtYw1kPzo3F
• Valid Syntax: Yes

• Record: v=DMARC1; p=reject; adkim=s; aspf=s; fo=1; rua=mailto:[email protected], mailto:[email protected]; ruf=mailto:[email protected]
• Syntax: Valid
• Policy: reject
• RUA (Aggregate Reports): mailto:[email protected],
• RUF (Forensic Reports): mailto:[email protected]
• Failure Options (fo): 1
• DKIM Alignment (adkim): Strict
• SPF Alignment (aspf): Strict

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.