DNS Report for bbk.com

• dns30.hichina.com

  • IPv4: 47.118.199.221, 139.224.142.107, 120.76.107.62, 120.76.107.37, 47.118.199.197, 139.224.142.102, 39.96.153.37, 39.96.153.62
  • IPv6: 2408:4009:501::38
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• dns29.hichina.com

  • IPv4: 139.224.142.99, 120.76.107.39, 39.96.153.39, 47.118.199.199, 139.224.142.109, 120.76.107.59, 39.96.153.59, 47.118.199.219
  • IPv6: 2408:4009:501::37
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

Nameserver Count - OK

• dns30.hichina.com

  • Status: Failed: The DNS response does not contain an answer to the question: bbk.com. IN A
  • IP(s):
  • TTL: N/A seconds
  • Recursive Queries: Unclear (Response code: NXDOMAIN)
  • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)

• dns29.hichina.com

  • Status: Failed: The DNS response does not contain an answer to the question: bbk.com. IN A
  • IP(s):
  • TTL: N/A seconds
  • Recursive Queries: Unclear (Response code: NXDOMAIN)
  • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)

dns30.hichina.com

• Serial: 2024090313
• Refresh: 3600
• Retry: 1200
• Expire: 86400
• Minimum TTL: 600

dns29.hichina.com

• Serial: 2024082817
• Refresh: 3600
• Retry: 1200
• Expire: 86400
• Minimum TTL: 600

Serial - Warning: Inconsistent across nameservers

REFRESH: 3600 - OK

RETRY: 1200 - OK

EXPIRE: 86400 - OK

MINIMUM TTL: 600 - Note: Outside recommended range (1-3 hours)

dns30.hichina.com

• 5 bbk-com.mail.protection.outlook.com ( 52.101.137.2 )

dns29.hichina.com

• 5 bbk-com.mail.protection.outlook.com ( 52.101.137.0 )

MX Record Consistency - Warning: Inconsistencies found

MX Record Count - Warning: Only one MX record

• 0.137.101.52.in-addr.arpa -> mail-sg2pr03cu00500.inbound.protection.outlook.com
• 2.137.101.52.in-addr.arpa -> No PTR record found: The DNS query name does not exist: 2.137.101.52.in-addr.arpa.

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: v=DMARC1; p=none; fo=1; ruf=mailto:[email protected]; rua=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: qiye.163.com, qiye.163.com
• All external domains in your DMARC record are giving permission to send them DMARC reports.