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DNS Report for cnki.net

Date Generated: 2024-08-22 20:26:06
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Nameservers

  • dns.cnki.net
    • IPv4: 121.194.4.22
    • IPv6: No IPv6 found
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): N/A seconds
    • Recursive: N/A
  • dns3.cnki.net
    • IPv4: 103.244.235.22
    • IPv6: No IPv6 found
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): N/A seconds
    • Recursive: N/A
  • dns2.cnki.net
    • IPv4: 27.222.22.130
    • IPv6: No IPv6 found
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): N/A seconds
    • Recursive: N/A

Nameserver Count - OK

Nameserver Queries

  • dns.cnki.net
    • Status: Responded
    • IP(s): 115.31.65.33
    • TTL: 300 seconds
    • Recursive Queries: Does not allow recursive queries
    • TCP Connectivity: TCP connection failed (Response code: REFUSED)
  • dns3.cnki.net
    • Status: Responded
    • IP(s): 115.31.65.33
    • TTL: 300 seconds
    • Recursive Queries: Does not allow recursive queries
    • TCP Connectivity: TCP connection failed (Response code: REFUSED)
  • dns2.cnki.net
    • Status: Failed: The DNS operation timed out after 5.422572374343872 seconds
    • IP(s):
    • TTL: N/A seconds
    • Recursive Queries: Error checking recursive queries: The DNS operation timed out.
    • TCP Connectivity: TCP connection failed: The DNS operation timed out.

SOA Records

dns.cnki.net
  • Serial: 2024022201
  • Refresh: 28800
  • Retry: 7200
  • Expire: 604800
  • Minimum TTL: 600
dns3.cnki.net
  • Serial: 2024022201
  • Refresh: 28800
  • Retry: 7200
  • Expire: 604800
  • Minimum TTL: 600
dns2.cnki.net

Error: The DNS operation timed out after 5.422843933105469 seconds

Serial - Warning: Inconsistent across nameservers

REFRESH - Warning: Inconsistent across nameservers

RETRY - Warning: Inconsistent across nameservers

EXPIRE - Warning: Inconsistent across nameservers

MINIMUM TTL - Warning: Inconsistent across nameservers

MX Records

dns.cnki.net
dns3.cnki.net
dns2.cnki.net

Error: The DNS operation timed out after 5.401442289352417 seconds

MX Record Consistency - OK

MX Record Count - Warning: Only one MX record

Reverse MX A records (PTR)

  • 125.65.31.115.in-addr.arpa -> No PTR record found: The DNS query name does not exist: 125.65.31.115.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 ip4:115.31.65.125 ~all
  • SPF Syntax: Passed
  • Deprecated Elements: Passed
  • IP Addresses: 115.31.65.125
  • Includes:
  • DNS Lookups: 1
  • 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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