DNS Report for 99.com

• vip3.alidns.com

  • IPv4: 8.212.93.3, 170.33.32.210, 170.33.73.26, 140.205.1.5, 170.33.40.136, 170.33.80.10
  • IPv6: 2408:4009:500::3
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• vip4.alidns.com

  • IPv4: 170.33.80.11, 170.33.73.27, 140.205.1.6, 8.212.93.4, 170.33.40.137, 170.33.32.211
  • IPv6: 2408:4009:500::4
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

Nameserver Count - OK

• vip3.alidns.com

  • Status: Responded
  • IP(s): 121.207.250.70
  • TTL: 600 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• vip4.alidns.com

  • Status: Responded
  • IP(s): 121.207.250.70
  • TTL: 600 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

vip3.alidns.com

• Serial: 2024083011
• Refresh: 3600
• Retry: 1200
• Expire: 86400
• Minimum TTL: 600

vip4.alidns.com

• Serial: 2024083011
• Refresh: 3600
• Retry: 1200
• Expire: 86400
• Minimum TTL: 600

Serial: 2024083011 - OK

REFRESH: 3600 - OK

RETRY: 1200 - OK

EXPIRE: 86400 - OK

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

vip3.alidns.com

• 5 mxbiz1.qq.com ( 103.86.78.3 )
• 10 mxbiz2.qq.com ( 103.86.78.4 )

vip4.alidns.com

• 5 mxbiz1.qq.com ( 103.86.78.3 )
• 10 mxbiz2.qq.com ( 103.86.78.5 )

MX Record Consistency - Warning: Inconsistencies found

MX Record Count - OK

• 5.78.86.103.in-addr.arpa -> No PTR record found: The DNS query name does not exist: 5.78.86.103.in-addr.arpa.
• 3.78.86.103.in-addr.arpa -> No PTR record found: The DNS query name does not exist: 3.78.86.103.in-addr.arpa.
• 4.78.86.103.in-addr.arpa -> No PTR record found: The DNS query name does not exist: 4.78.86.103.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: Failed

SPF Record 1:

• Record: v=spf1 include:nd.com.cn a mx ptr ~all
• SPF Syntax: Failed
• Deprecated Elements: Failed
• IP Addresses:
• Includes: nd.com.cn
• DNS Lookups: 4
• Void Lookups: Failed
• Escaping Chars: Not Present
• All Mechanism: ~all

SPF Record 1:

• Record: v=spf1 include:spf.mail.qq.com ip4:121.207.254.0/24 ip4:121.207.250.0/24 ip4:58.22.103.0/24 ip4:216.93.169.64/26 ip4:208.113.71.188 ip4:218.5.2.219 ip4:58.49.94.72 a mx ~all
• SPF Syntax: Failed
• Deprecated Elements: Failed
• IP Addresses:
• Includes: nd.com.cn
• DNS Lookups: 4
• Void Lookups: Failed
• Escaping Chars: Not Present
• All Mechanism: ~all

Warnings:

• Multiple SPF records found
• SPF record contains deprecated elements
• SPF record contains void lookups (ptr)

Errors:

• SPF record syntax is invalid

• DKIM Records Found: No

Warnings:

• No DKIM records found for common selectors

• Record: v=DMARC1; p=quarantine;
• Syntax: Valid
• Policy: quarantine
• RUA (Aggregate Reports):

DMARC External Validation:

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