DNS Report for ibkr.com

• cdns.interactivebrokers.com

  • IPv4: 63.86.206.51
  • IPv6: No IPv6 found
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): N/A seconds
  • Recursive: N/A

• ndns.interactivebrokers.com

  • IPv4: 64.190.196.29
  • IPv6: No IPv6 found
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): N/A seconds
  • Recursive: N/A

Nameserver Count - OK

• cdns.interactivebrokers.com

  • Status: Responded
  • IP(s): 64.190.196.12, 63.86.206.37
  • TTL: 900 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed: [Errno 104] Connection reset by peer

• ndns.interactivebrokers.com

  • Status: Responded
  • IP(s): 63.86.206.37, 64.190.196.12
  • TTL: 900 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed: [Errno 111] Connection refused

cdns.interactivebrokers.com

• Serial: 2024081401
• Refresh: 43200
• Retry: 3600
• Expire: 2419200
• Minimum TTL: 900

ndns.interactivebrokers.com

• Serial: 2024081401
• Refresh: 43200
• Retry: 3600
• Expire: 2419200
• Minimum TTL: 900

Serial: 2024081401 - OK

REFRESH: 43200 - OK

RETRY: 3600 - OK

EXPIRE: 2419200 - OK

MINIMUM TTL: 900 - Note: Outside recommended range (1-3 hours)

cdns.interactivebrokers.com

• 10 primary.us.email.fireeyecloud.com ( 34.223.36.124 )
• 20 alt1.us.email.fireeyecloud.com ( 3.93.93.44 )
• 30 alt2.us.email.fireeyecloud.com ( 34.223.36.126 )
• 40 alt3.us.email.fireeyecloud.com ( 3.93.93.45 )

ndns.interactivebrokers.com

• 10 primary.us.email.fireeyecloud.com ( 34.223.36.125 )
• 20 alt1.us.email.fireeyecloud.com ( 3.93.93.45 )
• 30 alt2.us.email.fireeyecloud.com ( 34.223.36.124 )
• 40 alt3.us.email.fireeyecloud.com ( 3.93.93.44 )

MX Record Consistency - Warning: Inconsistencies found

MX Record Count - OK

• 45.93.93.3.in-addr.arpa -> mx.us.email.fireeyecloud.com
• 44.93.93.3.in-addr.arpa -> mx.us.email.fireeyecloud.com
• 124.36.223.34.in-addr.arpa -> mx.us.email.fireeyecloud.com
• 124.36.223.34.in-addr.arpa -> mx.us.email.fireeyecloud.com
• 45.93.93.3.in-addr.arpa -> mx.us.email.fireeyecloud.com
• 44.93.93.3.in-addr.arpa -> mx.us.email.fireeyecloud.com
• 125.36.223.34.in-addr.arpa -> mx.us.email.fireeyecloud.com
• 126.36.223.34.in-addr.arpa -> mx.us.email.fireeyecloud.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 mx include:spfch3.ibkr.com include:spfext1.ibkr.com include:spf.protection.outlook.com include:_spf.fireeyecloud.com -all
• SPF Syntax: Failed
• Deprecated Elements: Passed
• IP Addresses:
• Includes: spfch3.ibkr.com, spfext1.ibkr.com, spf.protection.outlook.com, _spf.fireeyecloud.com
• DNS Lookups: 6
• Void Lookups: Passed
• Escaping Chars: Not Present
• All Mechanism: -all

Errors:

• SPF record syntax is invalid

• DKIM Records Found: Yes
• Selectors Found: selector1
• Selector 'selector1':
  Record: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAw35SMWVzxou0sRzJnLF4vB0cFqpy/CZq3/ykmBDJNjEEXlsdvpm4Tj1OTMjChPuDWVoKfN2jBxWdVrjUjQlm6Xs9sqnHkFXeaJ/Y6BUff/EmznKFLMcnLiN/CSs/KOak/VRc+ByCED7YJr1Wu/zTQ9642xSBtdFk2xMGhCrl0nDjw7r8K8utxIOAePpCgkRK8
• Valid Syntax: Yes

• Record: v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; pct=100; adkim=r; aspf=r
• Syntax: Valid
• Policy: none
• Percent: 100%
• RUA (Aggregate Reports): mailto:[email protected]
• RUF (Forensic Reports): mailto:[email protected]
• Failure Options (fo): 1
• DKIM Alignment (adkim): Relaxed
• SPF Alignment (aspf): Relaxed

DMARC External Validation:

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