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DNS Report for zthd.io

Date Generated: 2024-07-06 20:04:54
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Nameservers

  • ns51.domaincontrol.com
    • IPv4: 97.74.105.26
    • IPv6: 2603:5:2192::1a
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • ns52.domaincontrol.com
    • IPv4: 173.201.73.26
    • IPv6: 2603:5:2292::1a
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A

Nameserver Count - OK

Nameserver Queries

  • ns51.domaincontrol.com
    • Status: Responded
    • IP(s): 199.36.158.100
    • TTL: 600 seconds
    • Recursive Queries: Unclear (Response code: NXDOMAIN)
    • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)
  • ns52.domaincontrol.com
    • Status: Responded
    • IP(s): 199.36.158.100
    • TTL: 600 seconds
    • Recursive Queries: Unclear (Response code: NXDOMAIN)
    • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)

SOA Records

ns51.domaincontrol.com
  • Serial: 2024041800
  • Refresh: 28800
  • Retry: 7200
  • Expire: 604800
  • Minimum TTL: 600
ns52.domaincontrol.com
  • Serial: 2024041800
  • Refresh: 28800
  • Retry: 7200
  • Expire: 604800
  • Minimum TTL: 600

Serial: 2024041800 - OK

REFRESH: 28800 - OK

RETRY: 7200 - OK

EXPIRE: 604800 - OK

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

MX Records

ns51.domaincontrol.com
ns52.domaincontrol.com

MX Record Consistency - OK

MX Record Count - Warning: Only one MX record

Reverse MX A records (PTR)

  • 138.254.221.54.in-addr.arpa -> ec2-54-221-254-138.compute-1.amazonaws.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 +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 (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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