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DNS Report for dns.sb

Date Generated: 2024-08-12 11:16:17
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Nameservers

  • a.dns.sb
    • IPv4: 188.244.98.132
    • IPv6: 2a0d:2900:a::98:132
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • b.dns.sb
    • IPv4: 188.244.99.132
    • IPv6: 2a0d:2900:b::99:132
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A

Nameserver Count - OK

Nameserver Queries

  • a.dns.sb
    • Status: Responded
    • IP(s): 185.222.222.222
    • TTL: 600 seconds
    • Recursive Queries: Unclear (Response code: NXDOMAIN)
    • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)
  • b.dns.sb
    • Status: Responded
    • IP(s): 185.222.222.222
    • TTL: 600 seconds
    • Recursive Queries: Unclear (Response code: NXDOMAIN)
    • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)

SOA Records

a.dns.sb
  • Serial: 2024071715
  • Refresh: 3600
  • Retry: 600
  • Expire: 604800
  • Minimum TTL: 180
b.dns.sb
  • Serial: 2024071715
  • Refresh: 3600
  • Retry: 600
  • Expire: 604800
  • Minimum TTL: 180

Serial: 2024071715 - OK

REFRESH: 3600 - OK

RETRY: 600 - OK

EXPIRE: 604800 - OK

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

MX Records

a.dns.sb
b.dns.sb

MX Record Consistency - Warning: Inconsistencies found

MX Record Count - OK

Reverse MX A records (PTR)

  • 216.124.12.202.in-addr.arpa -> No PTR record found: All nameservers failed to answer the query 216.124.12.202.in-addr.arpa. IN PTR: Server 172.20.0.10 UDP port 53 answered SERVFAIL
  • 218.172.168.103.in-addr.arpa -> mx3.messagingengine.com
  • 220.172.168.103.in-addr.arpa -> mx5.messagingengine.com

PTR Records - OK

DNSSEC

DNSSEC Inspector
  • Signed: Yes
  • Validation: Successful
  • DNSKEY Records: 2
  • DS Records in parent zone: 0
  • DS at Parent: None

DNSSEC - OK

SPF (Sender Policy Framework)

SPF Record Published: Passed

Multiple SPF Records: Passed

SPF Record 1:
  • Record: v=spf1 include:spf.messagingengine.com ?all
  • SPF Syntax: Passed
  • Deprecated Elements: Passed
  • IP Addresses:
  • Includes: spf.messagingengine.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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