DNS Report for bigcdn.cc

• ns3.pananames.com

  • IPv4: 178.128.172.230
  • IPv6: No IPv6 found
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): N/A seconds
  • Recursive: N/A

• ns2.pananames.com

  • IPv4: 143.255.158.100
  • IPv6: No IPv6 found
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): N/A seconds
  • Recursive: N/A

• ns1.pananames.com

  • IPv4: 96.46.186.219
  • IPv6: No IPv6 found
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): N/A seconds
  • Recursive: N/A

• ns4.pananames.com

  • IPv4: 143.255.156.2
  • IPv6: No IPv6 found
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): N/A seconds
  • Recursive: N/A

Nameserver Count - OK

• ns3.pananames.com

  • Status: Responded
  • IP(s): 85.17.75.37
  • TTL: 300 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• ns2.pananames.com

  • Status: Responded
  • IP(s): 85.17.75.37
  • TTL: 300 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• ns1.pananames.com

  • Status: Responded
  • IP(s): 85.17.75.37
  • TTL: 300 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• ns4.pananames.com

  • Status: Responded
  • IP(s): 85.17.75.37
  • TTL: 300 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

ns3.pananames.com

• Serial: 2023090901
• Refresh: 28800
• Retry: 7200
• Expire: 604800
• Minimum TTL: 86400

ns2.pananames.com

• Serial: 2023090901
• Refresh: 28800
• Retry: 7200
• Expire: 604800
• Minimum TTL: 86400

ns1.pananames.com

• Serial: 2023090901
• Refresh: 28800
• Retry: 7200
• Expire: 604800
• Minimum TTL: 86400

ns4.pananames.com

• Serial: 2023090901
• Refresh: 28800
• Retry: 7200
• Expire: 604800
• Minimum TTL: 86400

Serial: 2023090901 - OK

REFRESH: 28800 - OK

RETRY: 7200 - OK

EXPIRE: 604800 - OK

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

ns3.pananames.com

• 10 mail.protonmail.ch ( 185.70.42.128 )
• 20 mailsec.protonmail.ch ( 185.205.70.129 )

ns2.pananames.com

• 10 mail.protonmail.ch ( 176.119.200.128 )
• 20 mailsec.protonmail.ch ( 176.119.200.129 )

ns1.pananames.com

• 10 mail.protonmail.ch ( 176.119.200.128 )
• 20 mailsec.protonmail.ch ( 185.70.42.129 )

ns4.pananames.com

• 10 mail.protonmail.ch ( 185.70.42.128 )
• 20 mailsec.protonmail.ch ( 176.119.200.129 )

MX Record Consistency - Warning: Inconsistencies found

MX Record Count - OK

• 128.200.119.176.in-addr.arpa -> mail.protonmail.ch
• 129.70.205.185.in-addr.arpa -> mailsec.protonmail.ch
• 129.42.70.185.in-addr.arpa -> mailsec.protonmail.ch
• 128.42.70.185.in-addr.arpa -> mail.protonmail.ch
• 129.200.119.176.in-addr.arpa -> mailsec.protonmail.ch

PTR Records - OK

• 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 Record Published: Passed

Multiple SPF Records: Passed

SPF Record 1:

• Record: v=spf1 include:_spf.protonmail.ch mx ~all
• SPF Syntax: Failed
• Deprecated Elements: Passed
• IP Addresses:
• Includes: _spf.protonmail.ch
• DNS Lookups: 4
• Void Lookups: Passed
• Escaping Chars: Not Present
• All Mechanism: ~all

Errors:

• SPF record syntax is invalid

• DKIM Records Found: No

Warnings:

• No DKIM records found for common selectors

• 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