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DNS Report for ctyun.cn

Date Generated: 2024-08-12 05:59:15
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Nameservers

  • ns1.chinanet.cn
    • IPv4: 118.85.203.176
    • IPv6: 240e:40:102::118
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • ns2.chinanet.cn
    • IPv4: 118.85.203.178
    • IPv6: 240e:40:103::118
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A

Nameserver Count - OK

Nameserver Queries

  • ns1.chinanet.cn
    • Status: Responded
    • IP(s): 203.56.24.243
    • TTL: 3600 seconds
    • Recursive Queries: Error checking recursive queries: The DNS operation timed out.
    • TCP Connectivity: TCP connection failed: The DNS operation timed out.
  • ns2.chinanet.cn
    • Status: Responded
    • IP(s): 203.56.24.243
    • TTL: 3600 seconds
    • Recursive Queries: Error checking recursive queries: The DNS operation timed out.
    • TCP Connectivity: TCP connection failed: The DNS operation timed out.

SOA Records

ns1.chinanet.cn
  • Serial: 2021052402
  • Refresh: 28800
  • Retry: 7200
  • Expire: 1209600
  • Minimum TTL: 3600
ns2.chinanet.cn
  • Serial: 2021052402
  • Refresh: 28800
  • Retry: 7200
  • Expire: 1209600
  • Minimum TTL: 3600

Serial: 2021052402 - OK

REFRESH: 28800 - OK

RETRY: 7200 - OK

EXPIRE: 1209600 - OK

MINIMUM TTL: 3600 - OK

MX Records

ns1.chinanet.cn
ns2.chinanet.cn

MX Record Consistency - Warning: Inconsistencies found

MX Record Count - OK

Reverse MX A records (PTR)

  • 2.78.86.103.in-addr.arpa -> No PTR record found: The DNS query name does not exist: 2.78.86.103.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.
  • 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.

PTR Records - OK

DNSSEC

DNSSEC Inspector
  • 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 (Sender Policy Framework)

SPF Record Published: Passed

Multiple SPF Records: Passed

SPF Record 1:
  • Record: v=spf1 include:spf.mail.qq.com ~all
  • SPF Syntax: Passed
  • Deprecated Elements: Passed
  • IP Addresses:
  • Includes: spf.mail.qq.com
  • DNS Lookups: 3
  • Void Lookups: Passed
  • Escaping Chars: Not Present
  • All Mechanism: ~all

DKIM (DomainKeys Identified Mail)

  • DKIM Records Found: No
Warnings:
  • No DKIM records found for common selectors

DMARC

  • 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
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