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DNS Report for nbcnews.com

Date Generated: 2024-08-08 01:50:07
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Nameservers

  • nsa3.nbcnews.com
    • IPv4: 13.52.111.184
    • IPv6: No IPv6 found
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): N/A seconds
    • Recursive: N/A
  • nsa4.nbcnews.com
    • IPv4: 18.191.2.199
    • IPv6: No IPv6 found
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): N/A seconds
    • Recursive: N/A
  • nsa1.nbcnews.com
    • IPv4: 54.200.82.65
    • IPv6: No IPv6 found
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): N/A seconds
    • Recursive: N/A
  • nsa2.nbcnews.com
    • IPv4: 54.208.199.200
    • IPv6: No IPv6 found
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): N/A seconds
    • Recursive: N/A

Nameserver Count - OK

Nameserver Queries

  • nsa3.nbcnews.com
    • Status: Responded
    • IP(s): 54.69.127.167, 44.219.25.60, 34.206.62.195, 52.37.236.218
    • TTL: 180 seconds
    • Recursive Queries: Does not allow recursive queries
    • TCP Connectivity: TCP connection failed (Response code: REFUSED)
  • nsa4.nbcnews.com
    • Status: Responded
    • IP(s): 54.69.127.167, 44.219.25.60, 34.206.62.195, 52.37.236.218
    • TTL: 180 seconds
    • Recursive Queries: Does not allow recursive queries
    • TCP Connectivity: TCP connection failed (Response code: REFUSED)
  • nsa1.nbcnews.com
    • Status: Responded
    • IP(s): 34.206.62.195, 52.37.236.218, 54.69.127.167, 44.219.25.60
    • TTL: 180 seconds
    • Recursive Queries: Does not allow recursive queries
    • TCP Connectivity: TCP connection failed (Response code: REFUSED)
  • nsa2.nbcnews.com
    • Status: Responded
    • IP(s): 44.219.25.60, 34.206.62.195, 52.37.236.218, 54.69.127.167
    • TTL: 180 seconds
    • Recursive Queries: Does not allow recursive queries
    • TCP Connectivity: TCP connection failed (Response code: REFUSED)

SOA Records

nsa3.nbcnews.com
  • Serial: 2024082225
  • Refresh: 10800
  • Retry: 3600
  • Expire: 604800
  • Minimum TTL: 300
nsa4.nbcnews.com
  • Serial: 2024082225
  • Refresh: 10800
  • Retry: 3600
  • Expire: 604800
  • Minimum TTL: 300
nsa1.nbcnews.com
  • Serial: 2024082225
  • Refresh: 10800
  • Retry: 3600
  • Expire: 604800
  • Minimum TTL: 300
nsa2.nbcnews.com
  • Serial: 2024082225
  • Refresh: 10800
  • Retry: 3600
  • Expire: 604800
  • Minimum TTL: 300

Serial: 2024082225 - OK

REFRESH: 10800 - OK

RETRY: 3600 - OK

EXPIRE: 604800 - OK

MINIMUM TTL: 300 - Note: Outside recommended range (1-3 hours)

MX Records

nsa3.nbcnews.com
nsa4.nbcnews.com
nsa1.nbcnews.com
nsa2.nbcnews.com

MX Record Consistency - Warning: Inconsistencies found

MX Record Count - OK

Reverse MX A records (PTR)

  • 49.157.231.67.in-addr.arpa -> mx0b-00176a04.pphosted.com
  • 49.157.231.67.in-addr.arpa -> mx0b-00176a04.pphosted.com
  • 53.149.231.67.in-addr.arpa -> mx0a-00176a04.pphosted.com
  • 49.157.231.67.in-addr.arpa -> mx0b-00176a04.pphosted.com
  • 53.149.231.67.in-addr.arpa -> mx0a-00176a04.pphosted.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:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all
  • SPF Syntax: Failed
  • Deprecated Elements: Passed
  • IP Addresses:
  • Includes: %{ir}.%{v}.%{d}.spf.has.pphosted.com
  • 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

DMARC External Validation:
  • Valid external domains: emaildefense.proofpoint.com, emaildefense.proofpoint.com
  • All external domains in your DMARC record are giving permission to send them DMARC reports.
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