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Posted by Michael on 10/19/00 11:33
"Carl" <_Nospam_@_DO_NOT_.USE> wrote in message
news:kEljf.24915$dO2.20117@newssvr29.news.prodigy.net...
> Michael wrote:
>> "Malcolm Dew-Jones" <yf110@vtn1.victoria.tc.ca> wrote in message
>> news:438d4452$1@news.victoria.tc.ca...
>>
>>>Michael (INERFAZE@aol.com) wrote:
>>>
>>>: "Shane" <shane@weasel.is-a-geek.net> wrote in message
>>>: news:pan.2005.11.30.02.31.11.424715@weasel.is-a-geek.net...
>>>: > On Wed, 30 Nov 2005 01:38:05 +0000, Michael wrote:
>>>: >
>>>: >> "Carl" <_Nospam_@_DO_NOT_.USE> wrote in message
>>>: >> news:7d7jf.20683$BZ5.9444@newssvr13.news.prodigy.com...
>>>: >>> Michael wrote:
>>>: >>>> Does someone have a reliable routine to get the domain name of the
>>>: >>>> current user of a web page? Something like NSLookup. I have no
>>>: >>>> problem
>>>: >>>> getting their IP address, but I also want the domaine name.
>>>: >>>> Thanks,
>>>: >>>> -Michael
>>>: >>>
>>>: >>> how about:
>>>: >>> http://www.php.net/manual/en/function.gethostbyaddr.php
>>>: >>>
>>>: >>> Carl.
>>>: >>
>>>: >> It may be just me, but that is the first think I tried and it gave
>>>me an
>>>: >> IP
>>>: >> address not a domain name.
>>>: >> Maybe it's the... "or a string containing the unmodified ip_address
>>>on
>>>: >> failure"... that is getting me.
>>>: >> -Michael
>>>: >
>>>: > er you want to do a reverse dns lookup?
>>>: > Thats fraught with issues.
>>>: >
>>>: > --
>>>: > Hardware, n.: The parts of a computer system that can be kicked
>>>: >
>>>: > The best way to get the right answer on usenet is to post the wrong
>>>one.
>>>: >
>>>
>>>: I'm not sure what you mean, when I type "NSLookup 70.98.111.52"
>>>: at the command prompt I get back "Name: box52.bluehost.com"
>>>: It works instantally and it works every time (that I have tried.)
>>>: I want to get that same answer via PHP.
>>>
>>>Try some other ips.
>>>
>>>An ip does not need a name, (and can have many).
>>>
>>>Even if it has a name, it does not need reverse lookup data.
>>>
>>>Even when that data is available, the name you get from the reverse
>>>lookup
>>>is not necessarily the same name that anyone uses to access the host by
>>>name. Indeed if you then lookup the name (i.e. you name you just got
>>>from
>>>the reverse lookup) then you may find it does not even resolve to the
>>>same
>>>ip you originally looked up.
>>>
>>>As for the gethostbyaddr function, it appears to return the original
>>>(input) address if it can't find a better name to go with it.
>>>
>>
>>
>> I am happy with the answer I get from NSlookup. But I am not familar
>> with getting results from system().
>> Can I use the system command to return the NSLookup result?
>>
>>
>
> Are you actually running nslookup on the same physical machine that is
> serving the failing php code?
>
> I would suspect that somehow there is a configuration problem. Something
> strange that they would show different results since the results should
> actually be returned from the name server, not the function/program or
> machine? Are both machines using the same dns server? Do both have access
> to the internet?
>
> Carl.
I have used NSLookup on many machines and haven't had any problems. But to
answer your question, no, I am only running the gethost on the server where
my web page is.
-Michael
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