Origin of reverse lookup

techlists at phpcoderusa.com techlists at phpcoderusa.com
Mon Jun 21 16:30:28 UTC 2021

Reverse lookup problem resolved.  Apparently my ISP did not understand I 
wanted to change the pointer record.  Maybe I did no articulate myself 
very well!!

On 2021-06-19 01:17, Reindl Harald wrote:
> Am 19.06.21 um 01:17 schrieb techlists at phpcoderusa.com:
>> I had my ISP configure a reverse lookup years ago.  They say they no 
>> longer offer that service and there is no reverse lookup for my IP.
> don't matter unless you try to send mails from your machine
>> I keep running into this old reverse lookup and do not know where it 
>> is coming from.
> from the ISP owing the network range
>> When I run https://intodns.com/ it shows this reverse lookup and not 
>> the one I just configured on my local box.
> whatever you configure on your box is irrelevant to the world unless
> the owner of the network range delegates the reverse zone to your
> server which is unlikely for most cases and impossible for a single IP
>> Any thoughts on how I might resolve this or find who is hosting this 
>> reverse lookup?
> "whois ip"
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