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Mailenable: Error: Could not reverse lookup 172.17.175.1 in DNS, error 9003. Warning: No Ptr Record found For Domain.

 

When setting up Mailenable on a web server under United-Hoster.de, the diagnosis shows that the check of the Host IP Reverse Loopup fails.

Mailenable: Error: Could not reverse lookup in DNS, error 9003. Warning: No Ptr Record found For Domain.

wants to reject your mail (such as Yahoo and Hotmail).

Test Detail

Test Data

Test Response

Status

172.17.175.1

(Reverse Lookup)

Error: Could not reverse lookup 172.17.175.1 in DNS, error 9003. [lnk:"Warning"/]: No Ptr Record found For Domain.

Warn

31.172.93.141

Resolved (31.172.93.141) to readdy-server.readdy.net

Success

Pass

127.0.0.1

(Reverse Lookup)

Address was detected as Private IP address.

Pass

 

 

DETAIL description

 

Under the detail description of the error is: at Warning-> No Ptr

A Reverse DNS lookup is used by remote hosts to determine who 'owns' an IP address.

For this to occur the 'owner' of the IP address must have registered a PTR record for the IP address.    

 

 

Solution:

If you have a Web server V server, Virtual Server set up with most providers, then two network connections are installed.

You can find the network connections under Windows-> Start-> Network Connections.

You have to disable a network connection.

Mailenable: Error: Could not reverse lookup in DNS, error 9003. Warning: No Ptr Record found For Domain.

 

Then select the Ethernet connection that is not connected to the IP of the web server.

Disable this with context menu-> disable

Mailenable: Error: Could not reverse lookup in DNS, error 9003. Warning: No Ptr Record found For Domain.

 

In the repeated test, all addresses of the IP reverse lookup are then in order.

Mailenable: Error: Could not reverse lookup in DNS, error 9003. Warning: No Ptr Record found For Domain.

 

Host IP reverse lookup tests

This test checks all the local machine's TCP / IP addresses for reverse DNS lookup. Some mail servers perform a reverse lookup on you IP address. Want to make that external IP addresses make a reverse lookup or mail servers (like Yahoo and Hotmail) wants to reject your mail.

Test Detail

Test Data

Test Response

Status

31.172.93.141

Resolved (31.172.93.141) to readdy-server.readdy.net

Success

Pass

127.0.0.1

(Reverse Lookup)

Address was detected as Private IP address.

Pass

Hosted Domain Resolution Test

 


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