DNS Report for ieee.org

• ns3-sl.ieee.org

  • IPv4: 107.162.194.135
  • IPv6: No IPv6 found
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): N/A seconds
  • Recursive: N/A

• ns2-sl.ieee.org

  • IPv4: 107.162.232.205
  • IPv6: No IPv6 found
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): N/A seconds
  • Recursive: N/A

• ns1-sl.ieee.org

  • IPv4: 107.162.155.102
  • IPv6: No IPv6 found
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): N/A seconds
  • Recursive: N/A

Nameserver Count - OK

• ns3-sl.ieee.org

  • Status: Responded
  • IP(s): 140.98.193.152
  • TTL: 3600 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• ns2-sl.ieee.org

  • Status: Responded
  • IP(s): 140.98.193.152
  • TTL: 3600 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• ns1-sl.ieee.org

  • Status: Responded
  • IP(s): 140.98.193.152
  • TTL: 3600 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

ns3-sl.ieee.org

• Serial: 2013038954
• Refresh: 7200
• Retry: 3600
• Expire: 604800
• Minimum TTL: 3600

ns2-sl.ieee.org

• Serial: 2013038954
• Refresh: 7200
• Retry: 3600
• Expire: 604800
• Minimum TTL: 3600

ns1-sl.ieee.org

• Serial: 2013038954
• Refresh: 7200
• Retry: 3600
• Expire: 604800
• Minimum TTL: 3600

Serial: 2013038954 - OK

REFRESH: 7200 - OK

RETRY: 3600 - OK

EXPIRE: 604800 - OK

MINIMUM TTL: 3600 - OK

ns3-sl.ieee.org

• 5 mxtls.expurgate.net ( 195.190.135.121 )

ns2-sl.ieee.org

• 5 mxtls.expurgate.net ( 194.145.224.120 )

ns1-sl.ieee.org

• 5 mxtls.expurgate.net ( 194.145.224.124 )

MX Record Consistency - Warning: Inconsistencies found

MX Record Count - Warning: Only one MX record

• 124.224.145.194.in-addr.arpa -> mxtls.expurgate.net
• 121.135.190.195.in-addr.arpa -> mxtls.expurgate.net
• 120.224.145.194.in-addr.arpa -> mxtls.expurgate.net

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.ieee.org include:_spf.google.com ~all
• SPF Syntax: Passed
• Deprecated Elements: Passed
• IP Addresses:
• Includes: _spf.ieee.org, _spf.google.com
• DNS Lookups: 3
• Void Lookups: Passed
• Escaping Chars: Not Present
• All Mechanism: ~all

• DKIM Records Found: Yes
• Selectors Found: google
• Selector 'google':
  Record: v=DKIM1;
• Valid Syntax: No

Warnings:

• DKIM record for selector 'google' may be incomplete

• Record: v=DMARC1;
• Syntax: Valid
• Policy: None
• RUA (Aggregate Reports):

DMARC External Validation:

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

Warnings:

• Invalid policy: None