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DNS Report for duckduckgo.com

Date Generated: 2024-07-27 18:59:07
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Nameservers

  • dns1.p05.nsone.net
    • IPv4: 198.51.44.5
    • IPv6: 2620:4d:4000:6259:7:5:0:1
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • dns2.p05.nsone.net
    • IPv4: 198.51.45.5
    • IPv6: 2a00:edc0:6259:7:5::2
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • dns3.p05.nsone.net
    • IPv4: 198.51.44.69
    • IPv6: 2620:4d:4000:6259:7:5:0:3
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • dns4.p05.nsone.net
    • IPv4: 198.51.45.69
    • IPv6: 2a00:edc0:6259:7:5::4
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • ns01.quack-dns.com
    • IPv4: 148.163.196.1
    • IPv6: 2607:f740:e049::1
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • ns02.quack-dns.com
    • IPv4: 148.163.196.65
    • IPv6: 2607:f740:e049:4::1
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • ns03.quack-dns.com
    • IPv4: 148.163.196.129
    • IPv6: 2607:f740:e049:8::1
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • ns04.quack-dns.com
    • IPv4: 148.163.196.193
    • IPv6: 2607:f740:e049:c::1
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A

Nameserver Count - Note: 8 nameservers (recommended: 2-7)

Nameserver Queries

  • dns1.p05.nsone.net
    • Status: Responded
    • IP(s): 52.149.246.39
    • TTL: 200 seconds
    • Recursive Queries: Unclear (Response code: NXDOMAIN)
    • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)
  • dns2.p05.nsone.net
    • Status: Responded
    • IP(s): 52.149.246.39
    • TTL: 200 seconds
    • Recursive Queries: Unclear (Response code: NXDOMAIN)
    • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)
  • dns3.p05.nsone.net
    • Status: Responded
    • IP(s): 52.149.246.39
    • TTL: 200 seconds
    • Recursive Queries: Unclear (Response code: NXDOMAIN)
    • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)
  • dns4.p05.nsone.net
    • Status: Responded
    • IP(s): 52.149.246.39
    • TTL: 200 seconds
    • Recursive Queries: Unclear (Response code: NXDOMAIN)
    • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)
  • ns01.quack-dns.com
    • Status: Responded
    • IP(s): 52.149.246.39
    • TTL: 200 seconds
    • Recursive Queries: Does not allow recursive queries
    • TCP Connectivity: TCP connection failed (Response code: REFUSED)
  • ns02.quack-dns.com
    • Status: Responded
    • IP(s): 52.149.246.39
    • TTL: 200 seconds
    • Recursive Queries: Does not allow recursive queries
    • TCP Connectivity: TCP connection failed (Response code: REFUSED)
  • ns03.quack-dns.com
    • Status: Responded
    • IP(s): 52.149.246.39
    • TTL: 200 seconds
    • Recursive Queries: Does not allow recursive queries
    • TCP Connectivity: TCP connection failed (Response code: REFUSED)
  • ns04.quack-dns.com
    • Status: Responded
    • IP(s): 52.149.246.39
    • TTL: 200 seconds
    • Recursive Queries: Does not allow recursive queries
    • TCP Connectivity: TCP connection failed (Response code: REFUSED)

SOA Records

dns1.p05.nsone.net
  • Serial: 1655203370
  • Refresh: 7200
  • Retry: 7200
  • Expire: 1209600
  • Minimum TTL: 14400
dns2.p05.nsone.net
  • Serial: 1655203370
  • Refresh: 7200
  • Retry: 7200
  • Expire: 1209600
  • Minimum TTL: 14400
dns3.p05.nsone.net
  • Serial: 1655203370
  • Refresh: 7200
  • Retry: 7200
  • Expire: 1209600
  • Minimum TTL: 14400
dns4.p05.nsone.net
  • Serial: 1655203370
  • Refresh: 7200
  • Retry: 7200
  • Expire: 1209600
  • Minimum TTL: 14400
ns01.quack-dns.com
  • Serial: 1655203370
  • Refresh: 7200
  • Retry: 7200
  • Expire: 1209600
  • Minimum TTL: 14400
ns02.quack-dns.com
  • Serial: 1655203370
  • Refresh: 7200
  • Retry: 7200
  • Expire: 1209600
  • Minimum TTL: 14400
ns03.quack-dns.com
  • Serial: 1655203370
  • Refresh: 7200
  • Retry: 7200
  • Expire: 1209600
  • Minimum TTL: 14400
ns04.quack-dns.com
  • Serial: 1655203370
  • Refresh: 7200
  • Retry: 7200
  • Expire: 1209600
  • Minimum TTL: 14400

Serial: 1655203370 - OK

REFRESH: 7200 - OK

RETRY: 7200 - OK

EXPIRE: 1209600 - OK

MINIMUM TTL: 14400 - Note: Outside recommended range (1-3 hours)

MX Records

dns1.p05.nsone.net
dns2.p05.nsone.net
dns3.p05.nsone.net
dns4.p05.nsone.net
ns01.quack-dns.com
ns02.quack-dns.com
ns03.quack-dns.com
ns04.quack-dns.com

MX Record Consistency - Warning: Inconsistencies found

MX Record Count - Warning: Only one MX record

Reverse MX A records (PTR)

  • 17.9.101.52.in-addr.arpa -> No PTR record found: The DNS query name does not exist: 17.9.101.52.in-addr.arpa.
  • 9.42.101.52.in-addr.arpa -> mail-co1pr05cu00201.inbound.protection.outlook.com
  • 8.10.101.52.in-addr.arpa -> mail-bn1pr04cu00100.inbound.protection.outlook.com
  • 36.8.101.52.in-addr.arpa -> No PTR record found: The DNS query name does not exist: 36.8.101.52.in-addr.arpa.

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:mailer.duckduckgo.com include:amazonses.com include:spf.protection.outlook.com include:duck.com -all
  • SPF Syntax: Passed
  • Deprecated Elements: Passed
  • IP Addresses:
  • Includes: mailer.duckduckgo.com, amazonses.com, spf.protection.outlook.com, duck.com
  • DNS Lookups: 8
  • Void Lookups: Passed
  • Escaping Chars: Not Present
  • All Mechanism: -all

DKIM (DomainKeys Identified Mail)

  • DKIM Records Found: Yes
  • Selectors Found: selector1
  • Selector 'selector1':
    Record: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDTrhQCCe7t99hqP5B7xjx9X7p6xSjRTO5x/EM3MHi3I9j5k1tzFzEX52DeO2joxy+3TSJbPwpHjGhkf1FUtlaJIpWbAKDdT29sddqR/ywrZXBj7C56ziinLaEN2kTro6aelCAK8jBuRpvMegmJXHtj5+VT3k9LreWhjap6X7ZMkQIDAQAB;
  • Valid Syntax: Yes

DMARC

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