Reverse DNS for my elastic IP?

amazon-ec2 dns reverse-dns
Peeyush picture Peeyush · Sep 17, 2011 · Viewed 10.6k times · Source

We hosted our website over Amazon EC2 but now we are facing problem in delivering mails to yahoo and hotmail but Gmail is fine.

But as per my knowledge this might be due to reverse DNS lookup.

i also got a good explanation here

but now when i am trying to fill the form(you can refer this link for detail https://forums.aws.amazon.com/ann.jspa?annID=624) at Amazon for reverse dns for my elastic IP then it will ask me to provide a IP address for my Elastic IP and that IP address is used for reverse DNS look up.

So now i am confused which IP address i should provide in that from.

SO please help me on this issue.

-Thanks

P.S.

I also find a reverse DNS address after entering my elastic IP at http://lookupserver.com/ can i use that address at amazon for reverse DNS lookup.

Answer

Tom Chiverton picture Tom Chiverton · Aug 1, 2015

As per https://aws.amazon.com/blogs/aws/reverse-dns-for-ec2s-elastic-ip-addresses/ complete the form at :

https://aws.amazon.com/forms/ec2-email-limit-rdns-request

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