DNS Report for pki.goog

• ns3.zdns.google

  • IPv4: 216.239.36.114
  • IPv6: 2001:4860:4802:36::72
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• ns2.zdns.google

  • IPv4: 216.239.34.114
  • IPv6: 2001:4860:4802:34::72
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• ns1.zdns.google

  • IPv4: 216.239.32.114
  • IPv6: 2001:4860:4802:32::72
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• ns4.zdns.google

  • IPv4: 216.239.38.114
  • IPv6: 2001:4860:4802:38::72
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

Nameserver Count - OK

• ns3.zdns.google

  • Status: Responded
  • IP(s): 216.239.32.29
  • TTL: 300 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• ns2.zdns.google

  • Status: Responded
  • IP(s): 216.239.32.29
  • TTL: 300 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• ns1.zdns.google

  • Status: Responded
  • IP(s): 216.239.32.29
  • TTL: 300 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• ns4.zdns.google

  • Status: Responded
  • IP(s): 216.239.32.29
  • TTL: 300 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

ns3.zdns.google

• Serial: 2020062601
• Refresh: 21600
• Retry: 3600
• Expire: 1209600
• Minimum TTL: 300

ns2.zdns.google

• Serial: 2020062601
• Refresh: 21600
• Retry: 3600
• Expire: 1209600
• Minimum TTL: 300

ns1.zdns.google

• Serial: 2020062601
• Refresh: 21600
• Retry: 3600
• Expire: 1209600
• Minimum TTL: 300

ns4.zdns.google

• Serial: 2020062601
• Refresh: 21600
• Retry: 3600
• Expire: 1209600
• Minimum TTL: 300

Serial: 2020062601 - OK

REFRESH: 21600 - OK

RETRY: 3600 - OK

EXPIRE: 1209600 - OK

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

ns3.zdns.google

• 5 smtp.google.com ( 64.233.180.26 )

ns2.zdns.google

• 5 smtp.google.com ( 172.253.115.26 )

ns1.zdns.google

• 5 smtp.google.com ( 142.251.163.26 )

ns4.zdns.google

• 5 smtp.google.com ( 142.251.179.26 )

MX Record Consistency - Warning: Inconsistencies found

MX Record Count - Warning: Only one MX record

• 26.163.251.142.in-addr.arpa -> wv-in-f26.1e100.net
• 26.115.253.172.in-addr.arpa -> bg-in-f26.1e100.net
• 26.179.251.142.in-addr.arpa -> pd-in-f26.1e100.net
• 26.180.233.64.in-addr.arpa -> on-in-f26.1e100.net

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 -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: v=DMARC1; p=reject; rua=mailto:[email protected]
• Syntax: Valid
• Policy: reject
• RUA (Aggregate Reports): mailto:[email protected]

DMARC External Validation:

• Valid external domains: google.com
• All external domains in your DMARC record are giving permission to send them DMARC reports.