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DNS Report for 3g.cn

Date Generated: 2024-08-10 15:30:58
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Nameservers

Nameserver Count - OK

Nameserver Queries

  • vip3.alidns.com
    • Status: Responded
    • IP(s): 119.23.233.11
    • 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): 119.23.233.11
    • TTL: 600 seconds
    • Recursive Queries: Does not allow recursive queries
    • TCP Connectivity: TCP connection failed (Response code: REFUSED)

SOA Records

vip3.alidns.com
  • Serial: 2024072311
  • Refresh: 3600
  • Retry: 1200
  • Expire: 86400
  • Minimum TTL: 600
vip4.alidns.com
  • Serial: 2024072311
  • Refresh: 3600
  • Retry: 1200
  • Expire: 86400
  • Minimum TTL: 600

Serial: 2024072311 - OK

REFRESH: 3600 - OK

RETRY: 1200 - OK

EXPIRE: 86400 - OK

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

MX Records

vip3.alidns.com
vip4.alidns.com

MX Record Consistency - OK

MX Record Count - OK

Reverse MX A records (PTR)

  • 19.214.78.120.in-addr.arpa -> pmailsvr01.sz.gomo.com
  • 19.214.78.120.in-addr.arpa -> pmailsvr01.sz.gomo.com

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 a mx ip4:61.145.124.133 ip4:61.145.124.14 ip4:122.13.144.43 ~all
  • SPF Syntax: Failed
  • Deprecated Elements: Passed
  • IP Addresses: 61.145.124.133, 61.145.124.14, 122.13.144.43
  • Includes:
  • DNS Lookups: 3
  • Void Lookups: Passed
  • Escaping Chars: Not Present
  • All Mechanism: ~all
Errors:
  • SPF record syntax is invalid

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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