DNS Report for advertserve.com

• ns-1198.awsdns-21.org

  • IPv4: 205.251.196.174
  • IPv6: 2600:9000:5304:ae00::1
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• ns-1585.awsdns-06.co.uk

  • IPv4: 205.251.198.49
  • IPv6: 2600:9000:5306:3100::1
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• ns-398.awsdns-49.com

  • IPv4: 205.251.193.142
  • IPv6: 2600:9000:5301:8e00::1
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• ns-841.awsdns-41.net

  • IPv4: 205.251.195.73
  • IPv6: 2600:9000:5303:4900::1
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

Nameserver Count - OK

• ns-1198.awsdns-21.org

  • Status: Responded
  • IP(s): 104.131.12.134
  • TTL: 3600 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• ns-1585.awsdns-06.co.uk

  • Status: Responded
  • IP(s): 104.131.12.134
  • TTL: 3600 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• ns-398.awsdns-49.com

  • Status: Responded
  • IP(s): 104.131.12.134
  • TTL: 3600 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• ns-841.awsdns-41.net

  • Status: Responded
  • IP(s): 104.131.12.134
  • TTL: 3600 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

ns-1198.awsdns-21.org

• Serial: 1
• Refresh: 7200
• Retry: 900
• Expire: 1209600
• Minimum TTL: 86400

ns-1585.awsdns-06.co.uk

• Serial: 1
• Refresh: 7200
• Retry: 900
• Expire: 1209600
• Minimum TTL: 86400

ns-398.awsdns-49.com

• Serial: 1
• Refresh: 7200
• Retry: 900
• Expire: 1209600
• Minimum TTL: 86400

ns-841.awsdns-41.net

• Serial: 1
• Refresh: 7200
• Retry: 900
• Expire: 1209600
• Minimum TTL: 86400

Serial: 1 - OK

REFRESH: 7200 - OK

RETRY: 900 - OK

EXPIRE: 1209600 - OK

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

ns-1198.awsdns-21.org

• 10 mx1.emailsrvr.com ( 146.20.161.1 )
• 20 mx2.emailsrvr.com ( 184.106.54.2 )

ns-1585.awsdns-06.co.uk

• 10 mx1.emailsrvr.com ( 108.166.43.1 )
• 20 mx2.emailsrvr.com ( 146.20.161.2 )

ns-398.awsdns-49.com

• 10 mx1.emailsrvr.com ( 146.20.161.1 )
• 20 mx2.emailsrvr.com ( 184.106.54.2 )

ns-841.awsdns-41.net

• 10 mx1.emailsrvr.com ( 146.20.161.1 )
• 20 mx2.emailsrvr.com ( 184.106.54.2 )

MX Record Consistency - Warning: Inconsistencies found

MX Record Count - OK

• 1.161.20.146.in-addr.arpa -> mx1.emailsrvr.com
• 2.54.106.184.in-addr.arpa -> mx2.emailsrvr.com
• 1.43.166.108.in-addr.arpa -> mx1.emailsrvr.com
• 2.161.20.146.in-addr.arpa -> mx2.emailsrvr.com

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 a mx include:emailsrvr.com include:u16819498.wl249.sendgrid.net ~all
• SPF Syntax: Failed
• Deprecated Elements: Passed
• IP Addresses:
• Includes: emailsrvr.com, u16819498.wl249.sendgrid.net
• DNS Lookups: 6
• 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