DNS Report for dianping.com

• ns3.dnsv5.com

  • IPv4: 170.106.49.166, 1.12.0.18, 125.94.59.200, 163.177.5.75, 1.12.0.17, 1.12.14.17, 52.52.126.139, 49.51.103.88, 49.51.43.232, 34.205.234.26, 1.12.14.18
  • IPv6: 2402:4e00:1430:11f9:0:983e:2e22:bb0f
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• ns4.dnsv5.com

  • IPv4: 35.165.107.227, 183.47.126.155, 1.12.14.19, 1.12.0.16, 1.12.0.19, 18.223.52.147, 1.12.14.16, 3.97.163.50, 170.106.49.118, 112.80.181.106, 49.51.42.231
  • IPv6: 2402:4e00:111:fff::8
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

Nameserver Count - OK

• ns3.dnsv5.com

  • Status: Responded
  • IP(s): 202.90.108.5
  • TTL: 600 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• ns4.dnsv5.com

  • Status: Responded
  • IP(s): 202.90.108.5
  • TTL: 600 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

ns3.dnsv5.com

• Serial: 1722863749
• Refresh: 3600
• Retry: 180
• Expire: 1209600
• Minimum TTL: 180

ns4.dnsv5.com

• Serial: 1722863749
• Refresh: 3600
• Retry: 180
• Expire: 1209600
• Minimum TTL: 180

Serial: 1722863749 - OK

REFRESH: 3600 - OK

RETRY: 180 - OK

EXPIRE: 1209600 - OK

MINIMUM TTL: 180 - Note: Outside recommended range (1-3 hours)

ns3.dnsv5.com

• 10 mx1.f5.meituan.com ( 103.202.147.108 )

ns4.dnsv5.com

• 10 mx1.f5.meituan.com ( 103.37.153.254 )

MX Record Consistency - Warning: Inconsistencies found

MX Record Count - Warning: Only one MX record

• 108.147.202.103.in-addr.arpa -> No PTR record found: The DNS query name does not exist: 108.147.202.103.in-addr.arpa.
• 254.153.37.103.in-addr.arpa -> mx-fe153-254.meituan.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 ip4:202.175.86.249 ip4:202.175.86.144 ip4:138.128.200.51 ip4:103.37.154.0/24 ip4:103.202.147.0/24 ip4:103.202.147.99 -all
• SPF Syntax: Passed
• Deprecated Elements: Passed
• IP Addresses: 202.175.86.249, 202.175.86.144, 138.128.200.51, 103.37.154.0/24, 103.202.147.0/24, 103.202.147.99
• 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: None
• Syntax: Invalid
• Policy: None
• RUA (Aggregate Reports):

DMARC External Validation:

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

Errors:

• No DMARC record found