DNS Report for sapo.io

• cdn-pic-dns01.ns.sapo.io

  • IPv4: 213.13.25.6
  • IPv6: 2001:8a0:2104:8::6
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• cdn-pic-dns02.ns.sapo.io

  • IPv4: 213.13.25.36
  • IPv6: 2001:8a0:2104:9::36
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

Nameserver Count - OK

• cdn-pic-dns01.ns.sapo.io

  • Status: Responded
  • IP(s): 213.13.145.103
  • TTL: 3600 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• cdn-pic-dns02.ns.sapo.io

  • Status: Responded
  • IP(s): 213.13.145.103
  • TTL: 3600 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

cdn-pic-dns01.ns.sapo.io

• Serial: 2020052803
• Refresh: 3600
• Retry: 7200
• Expire: 2419200
• Minimum TTL: 3600

cdn-pic-dns02.ns.sapo.io

• Serial: 2020052803
• Refresh: 3600
• Retry: 7200
• Expire: 2419200
• Minimum TTL: 3600

Serial: 2020052803 - OK

REFRESH: 3600 - OK

RETRY: 7200 - OK

EXPIRE: 2419200 - OK

MINIMUM TTL: 3600 - OK

cdn-pic-dns01.ns.sapo.io

• 10 mx.mail.sl.pt ( 213.13.145.86 )

cdn-pic-dns02.ns.sapo.io

• 10 mx.mail.sl.pt ( 213.13.145.86 )

MX Record Consistency - OK

MX Record Count - Warning: Only one MX record

• 86.145.13.213.in-addr.arpa -> mail.sl.pt

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 -all
• SPF Syntax: Passed
• Deprecated Elements: Passed
• IP Addresses:
• Includes:
• DNS Lookups: 1
• Void Lookups: Passed
• Escaping Chars: Not Present
• All Mechanism: -all

• 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