DNS Report for isc.org

• ns3.isc.org

  • IPv4: 51.75.79.143
  • IPv6: 2001:41d0:701:1100::2c92
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• ns2.isc.org

  • IPv4: 199.6.1.52
  • IPv6: 2001:500:60:d::52
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• ns.isc.afilias-nst.info

  • IPv4: 199.254.63.254
  • IPv6: 2001:500:2c::254
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• nsp.dnsnode.net

  • IPv4: 194.58.198.32
  • IPv6: 2a01:3f1:3032::53
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• ns1.isc.org

  • IPv4: 149.20.2.26
  • IPv6: 2001:500:6b:2::26
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

Nameserver Count - OK

• ns3.isc.org

  • Status: Responded
  • IP(s): 151.101.66.217, 151.101.2.217, 151.101.194.217, 151.101.130.217
  • TTL: 300 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• ns2.isc.org

  • Status: Responded
  • IP(s): 151.101.130.217, 151.101.194.217, 151.101.2.217, 151.101.66.217
  • TTL: 300 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• ns.isc.afilias-nst.info

  • Status: Responded
  • IP(s): 151.101.130.217, 151.101.66.217, 151.101.194.217, 151.101.2.217
  • TTL: 300 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• nsp.dnsnode.net

  • Status: Responded
  • IP(s): 151.101.2.217, 151.101.66.217, 151.101.130.217, 151.101.194.217
  • TTL: 300 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• ns1.isc.org

  • Status: Responded
  • IP(s): 151.101.130.217, 151.101.2.217, 151.101.66.217, 151.101.194.217
  • TTL: 300 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

ns3.isc.org

• Serial: 2024080198
• Refresh: 7200
• Retry: 3600
• Expire: 24796800
• Minimum TTL: 3600

ns2.isc.org

• Serial: 2024080198
• Refresh: 7200
• Retry: 3600
• Expire: 24796800
• Minimum TTL: 3600

ns.isc.afilias-nst.info

• Serial: 2024080198
• Refresh: 7200
• Retry: 3600
• Expire: 24796800
• Minimum TTL: 3600

nsp.dnsnode.net

• Serial: 2024080198
• Refresh: 7200
• Retry: 3600
• Expire: 24796800
• Minimum TTL: 3600

ns1.isc.org

• Serial: 2024080198
• Refresh: 7200
• Retry: 3600
• Expire: 24796800
• Minimum TTL: 3600

Serial: 2024080198 - OK

REFRESH: 7200 - OK

RETRY: 3600 - OK

EXPIRE: 24796800 - OK

MINIMUM TTL: 3600 - OK

ns3.isc.org

• 5 mx.pao1.isc.org ( 149.20.2.50 )
• 10 mx.ams1.isc.org ( 199.6.1.65 )

ns2.isc.org

• 5 mx.pao1.isc.org ( 149.20.2.50 )
• 10 mx.ams1.isc.org ( 199.6.1.65 )

ns.isc.afilias-nst.info

• 5 mx.pao1.isc.org ( 149.20.2.50 )
• 10 mx.ams1.isc.org ( 199.6.1.65 )

nsp.dnsnode.net

• 5 mx.pao1.isc.org ( 149.20.2.50 )
• 10 mx.ams1.isc.org ( 199.6.1.65 )

ns1.isc.org

• 5 mx.pao1.isc.org ( 149.20.2.50 )
• 10 mx.ams1.isc.org ( 199.6.1.65 )

MX Record Consistency - OK

MX Record Count - OK

• 50.2.20.149.in-addr.arpa -> mx.pao1.isc.org
• 65.1.6.199.in-addr.arpa -> mx.ams1.isc.org

PTR Records - OK

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

DNSSEC - OK

SPF Record Published: Passed

Multiple SPF Records: Passed

SPF Record 1:

• Record: v=spf1 a mx ip4:149.20.0.0/20 ip6:2001:04F8::0/32 ip6:2001:500:60::65/128 ip4:199.6.1.0/24 ip6:2001:500:6b:2::0/64
• SPF Syntax: Failed
• Deprecated Elements: Passed
• IP Addresses: 149.20.0.0/20, 2001:04F8::0/32, 2001:500:60::65/128, 199.6.1.0/24, 2001:500:6b:2::0/64
• Includes:
• DNS Lookups: 2
• Void Lookups: Passed
• Escaping Chars: Not Present
• All Mechanism: Not Present

Warnings:

• SPF record doesn't contain an 'all' mechanism

Errors:

• SPF record syntax is invalid

• DKIM Records Found: No

Warnings:

• No DKIM records found for common selectors

• Record: v=DMARC1; p=none; sp=reject; rua=mailto:[email protected]; ruf=mailto:[email protected], mailto:[email protected]; fo=1;
• Syntax: Valid
• Policy: none
• Subdomain Policy: reject
• RUA (Aggregate Reports): mailto:[email protected]
• RUF (Forensic Reports): mailto:[email protected],
• Failure Options (fo): 1

DMARC External Validation:

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