DNS Report for serving-sys.com

• ns-131.awsdns-16.com

  • IPv4: 205.251.192.131
  • IPv6: 2600:9000:5300:8300::1
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• ns-1502.awsdns-59.org

  • IPv4: 205.251.197.222
  • IPv6: 2600:9000:5305:de00::1
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• ns-1867.awsdns-41.co.uk

  • IPv4: 205.251.199.75
  • IPv6: 2600:9000:5307:4b00::1
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• ns-787.awsdns-34.net

  • IPv4: 205.251.195.19
  • IPv6: 2600:9000:5303:1300::1
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

Nameserver Count - OK

• ns-131.awsdns-16.com

  • Status: Failed: The DNS response does not contain an answer to the question: serving-sys.com. IN A
  • IP(s):
  • TTL: N/A seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• ns-1502.awsdns-59.org

  • Status: Failed: The DNS response does not contain an answer to the question: serving-sys.com. IN A
  • IP(s):
  • TTL: N/A seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• ns-1867.awsdns-41.co.uk

  • Status: Failed: The DNS response does not contain an answer to the question: serving-sys.com. IN A
  • IP(s):
  • TTL: N/A seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• ns-787.awsdns-34.net

  • Status: Failed: The DNS response does not contain an answer to the question: serving-sys.com. IN A
  • IP(s):
  • TTL: N/A seconds
  • Recursive Queries: Unclear (Response code: NOERROR)
  • TCP Connectivity: Allows TCP connections

ns-131.awsdns-16.com

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

ns-1502.awsdns-59.org

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

ns-1867.awsdns-41.co.uk

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

ns-787.awsdns-34.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-131.awsdns-16.com

• 10 inbound-smtp.us-east-1.amazonaws.com ( 3.211.210.226 )

ns-1502.awsdns-59.org

• 10 inbound-smtp.us-east-1.amazonaws.com ( 3.211.210.226 )

ns-1867.awsdns-41.co.uk

• 10 inbound-smtp.us-east-1.amazonaws.com ( 3.211.210.226 )

ns-787.awsdns-34.net

• 10 inbound-smtp.us-east-1.amazonaws.com ( 44.206.9.87 )

MX Record Consistency - Warning: Inconsistencies found

MX Record Count - Warning: Only one MX record

• 87.9.206.44.in-addr.arpa -> ec2-44-206-9-87.compute-1.amazonaws.com
• 226.210.211.3.in-addr.arpa -> ec2-3-211-210-226.compute-1.amazonaws.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 include:amazonses.com ~all
• SPF Syntax: Passed
• Deprecated Elements: Passed
• IP Addresses:
• Includes: amazonses.com
• DNS Lookups: 4
• 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