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DNS Report for optimum.net

Date Generated: 2024-08-30 04:43:46
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Nameservers

  • authns1.cvnet.com
    • IPv4: 167.206.13.20
    • IPv6: No IPv6 found
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): N/A seconds
    • Recursive: N/A
  • authns1.cv.net
    • IPv4: 167.206.12.12
    • IPv6: No IPv6 found
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): N/A seconds
    • Recursive: N/A

Nameserver Count - OK

Nameserver Queries

  • authns1.cvnet.com
    • Status: Responded
    • IP(s): 167.206.237.230
    • TTL: 300 seconds
    • Recursive Queries: Does not allow recursive queries
    • TCP Connectivity: TCP connection failed (Response code: REFUSED)
  • authns1.cv.net
    • Status: Responded
    • IP(s): 167.206.237.230
    • TTL: 300 seconds
    • Recursive Queries: Does not allow recursive queries
    • TCP Connectivity: TCP connection failed (Response code: REFUSED)

SOA Records

authns1.cvnet.com
  • Serial: 2013109898
  • Refresh: 7200
  • Retry: 600
  • Expire: 604800
  • Minimum TTL: 86400
authns1.cv.net
  • Serial: 2013109898
  • Refresh: 7200
  • Retry: 600
  • Expire: 604800
  • Minimum TTL: 86400

Serial: 2013109898 - OK

REFRESH: 7200 - OK

RETRY: 600 - OK

EXPIRE: 604800 - OK

MINIMUM TTL: 86400 - Note: Outside recommended range (1-3 hours)

MX Records

authns1.cvnet.com
authns1.cv.net

MX Record Consistency - OK

MX Record Count - Warning: Only one MX record

Reverse MX A records (PTR)

  • 100.63.20.65.in-addr.arpa -> No PTR record found: The DNS query name does not exist: 100.63.20.65.in-addr.arpa.

PTR Records - OK

DNSSEC

DNSSEC Inspector
  • Signed: Yes
  • Validation: Successful
  • DNSKEY Records: 2
  • DS Records in parent zone: 0
  • DS at Parent: False

DNSSEC - OK

SPF (Sender Policy Framework)

SPF Record Published: Passed

Multiple SPF Records: Passed

SPF Record 1:
  • Record: v=spf1 ip4:167.206.4.192/27 ip4:65.20.63.0/24 ip4:65.20.48.0/24 ~all
  • SPF Syntax: Passed
  • Deprecated Elements: Passed
  • IP Addresses: 167.206.4.192/27, 65.20.63.0/24, 65.20.48.0/24
  • 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: v=DMARC1;p=none
  • Syntax: Valid
  • Policy: none
  • RUA (Aggregate Reports):
DMARC External Validation:
  • All external domains in your DMARC record are giving permission to send them DMARC reports.
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