DNS Report for usps.com

• dns141.usps.com

  • IPv4: 56.0.141.25
  • IPv6: 2610:68:3130:25:6010::25
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• dns082.usps.com

  • IPv4: 56.0.82.25
  • IPv6: 2610:68:5130:11:1410::25
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

Nameserver Count - OK

• dns141.usps.com

  • Status: Responded
  • IP(s): 56.0.134.100
  • TTL: 3600 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed: The DNS operation timed out.

• dns082.usps.com

  • Status: Responded
  • IP(s): 56.0.134.100
  • TTL: 3600 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed: The DNS operation timed out.

dns141.usps.com

• Serial: 711472907
• Refresh: 3600
• Retry: 1800
• Expire: 1209600
• Minimum TTL: 1800

dns082.usps.com

• Serial: 711472907
• Refresh: 3600
• Retry: 1800
• Expire: 1209600
• Minimum TTL: 1800

Serial: 711472907 - OK

REFRESH: 3600 - OK

RETRY: 1800 - OK

EXPIRE: 1209600 - OK

MINIMUM TTL: 1800 - Note: Outside recommended range (1-3 hours)

dns141.usps.com

• 10 usps-com.mail.protection.outlook.com ( 52.101.8.52 )

dns082.usps.com

• 10 usps-com.mail.protection.outlook.com ( 52.101.8.52 )

MX Record Consistency - OK

MX Record Count - Warning: Only one MX record

• 52.8.101.52.in-addr.arpa -> mail-ds0pr09cu00104.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 ip4:56.0.0.0/16 -all
• SPF Syntax: Passed
• Deprecated Elements: Passed
• IP Addresses: 56.0.0.0/16
• Includes:
• DNS Lookups: 1
• Void Lookups: Passed
• Escaping Chars: Not Present
• All Mechanism: -all

• DKIM Records Found: No

Warnings:

• No DKIM records found for common selectors

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

DMARC External Validation:

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