DNS Report for crestron.io

• pdns81.ultradns.biz

  • IPv4: 156.154.66.81
  • IPv6: 2610:a1:1015::75
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• pdns81.ultradns.org

  • IPv4: 156.154.67.81
  • IPv6: 2001:502:4612::75
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• pdns81.ultradns.net

  • IPv4: 156.154.65.81
  • IPv6: 2610:a1:1014::75
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• pdns81.ultradns.com

  • IPv4: 156.154.64.81
  • IPv6: 2001:502:f3ff::75
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

Nameserver Count - OK

• pdns81.ultradns.biz

  • Status: Responded
  • IP(s): 40.121.221.52
  • TTL: 86400 seconds
  • Recursive Queries: Allows recursive queries
  • TCP Connectivity: Allows TCP connections

• pdns81.ultradns.org

  • Status: Responded
  • IP(s): 40.121.221.52
  • TTL: 86400 seconds
  • Recursive Queries: Allows recursive queries
  • TCP Connectivity: Allows TCP connections

• pdns81.ultradns.net

  • Status: Responded
  • IP(s): 40.121.221.52
  • TTL: 86400 seconds
  • Recursive Queries: Allows recursive queries
  • TCP Connectivity: Allows TCP connections

• pdns81.ultradns.com

  • Status: Responded
  • IP(s): 40.121.221.52
  • TTL: 86400 seconds
  • Recursive Queries: Allows recursive queries
  • TCP Connectivity: Allows TCP connections

pdns81.ultradns.biz

• Serial: 2017033053
• Refresh: 86400
• Retry: 86400
• Expire: 86400
• Minimum TTL: 86400

pdns81.ultradns.org

• Serial: 2017033053
• Refresh: 86400
• Retry: 86400
• Expire: 86400
• Minimum TTL: 86400

pdns81.ultradns.net

• Serial: 2017033053
• Refresh: 86400
• Retry: 86400
• Expire: 86400
• Minimum TTL: 86400

pdns81.ultradns.com

• Serial: 2017033053
• Refresh: 86400
• Retry: 86400
• Expire: 86400
• Minimum TTL: 86400

Serial: 2017033053 - OK

REFRESH: 86400 - OK

RETRY: 86400 - OK

EXPIRE: 86400 - OK

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

pdns81.ultradns.biz

Error: The DNS response does not contain an answer to the question: crestron.io. IN MX

pdns81.ultradns.org

Error: The DNS response does not contain an answer to the question: crestron.io. IN MX

pdns81.ultradns.net

Error: The DNS response does not contain an answer to the question: crestron.io. IN MX

pdns81.ultradns.com

Error: The DNS response does not contain an answer to the question: crestron.io. IN MX

MX Record Consistency - OK

MX Record Count - OK

No PTR records data available.

• 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:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all
• SPF Syntax: Failed
• Deprecated Elements: Passed
• IP Addresses:
• Includes: %{ir}.%{v}.%{d}.spf.has.pphosted.com
• DNS Lookups: 3
• 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: v=DMARC1; p=none; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected];
• Syntax: Valid
• Policy: none
• RUA (Aggregate Reports): mailto:[email protected]
• RUF (Forensic Reports): mailto:[email protected]
• Failure Options (fo): 1

DMARC External Validation:

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