DNS Report for thinkyeah.com

• ns4.dnsv2.com

  • IPv4: 163.177.5.38, 117.89.178.204, 112.80.181.103, 36.155.149.242, 1.12.0.30, 120.241.130.40
  • IPv6: No IPv6 found
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): N/A seconds
  • Recursive: N/A

• ns3.dnsv2.com

  • IPv4: 129.211.176.248, 1.12.0.29, 163.177.5.85, 125.94.59.205, 36.155.149.180, 117.89.178.226
  • IPv6: No IPv6 found
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): N/A seconds
  • Recursive: N/A

Nameserver Count - OK

• ns4.dnsv2.com

  • Status: Responded
  • IP(s): 47.252.34.150
  • TTL: 300 seconds
  • Recursive Queries: Unclear (Response code: NXDOMAIN)
  • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)

• ns3.dnsv2.com

  • Status: Responded
  • IP(s): 47.252.34.150
  • TTL: 300 seconds
  • Recursive Queries: Unclear (Response code: NXDOMAIN)
  • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)

ns4.dnsv2.com

• Serial: 1724916532
• Refresh: 3600
• Retry: 180
• Expire: 1209600
• Minimum TTL: 180

ns3.dnsv2.com

• Serial: 1724916532
• Refresh: 3600
• Retry: 180
• Expire: 1209600
• Minimum TTL: 180

Serial: 1724916532 - OK

REFRESH: 3600 - OK

RETRY: 180 - OK

EXPIRE: 1209600 - OK

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

ns4.dnsv2.com

• 10 mx1.feishu.cn ( 54.221.254.138 )
• 20 mx2.feishu.cn ( 220.243.190.1 )
• 30 mx3.feishu.cn ( 122.14.229.0 )

ns3.dnsv2.com

• 10 mx1.feishu.cn ( 54.221.254.138 )
• 20 mx2.feishu.cn ( 122.14.229.0 )
• 30 mx3.feishu.cn ( 122.14.229.0 )

MX Record Consistency - Warning: Inconsistencies found

MX Record Count - OK

• 0.229.14.122.in-addr.arpa -> No PTR record found: The DNS query name does not exist: 0.229.14.122.in-addr.arpa.
• 0.229.14.122.in-addr.arpa -> No PTR record found: The DNS query name does not exist: 0.229.14.122.in-addr.arpa.
• 138.254.221.54.in-addr.arpa -> ec2-54-221-254-138.compute-1.amazonaws.com
• 1.190.243.220.in-addr.arpa -> No PTR record found: All nameservers failed to answer the query 1.190.243.220.in-addr.arpa. IN PTR: Server 172.20.0.10 UDP port 53 answered SERVFAIL

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:_netblocks.m.feishu.cn ~all
• SPF Syntax: Passed
• Deprecated Elements: Passed
• IP Addresses:
• Includes: _netblocks.m.feishu.cn
• 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: 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:

• DMARC record does not exist