DNS issue - Internal and external domains with same name

[Arkroyal]

I have a DNS issue that I hope someone can help me with.

Unfortunately, my internal and external domains have the same name (companyname.com) and I cannot access our externally hosted web site from within the domain. The only way I can access it is by entering its full URL including the external IP address. This is obviously some kind of DNS issue. Under my DNS settings, I have companyname.com under the Forward Lookup Zone and a FQDN of sbs.companyname.com on our external IP address.

How can change I DNS so that my users can access our external site from within the domain? I want them to be able to just enter

http://www.companyname.com.

Any help - as idiot-proof as possible please as I find DNS some kind of black art - gratefully received.
Edit/Delete Message

 

[Roadki11]

On your internal DNS server create a new host A record in your forward lookup zone, call it

http://www then

add the ip address of you external host server.


RoadKi11

"This apparent fear reaction is typical, rather than try to solve technical problems technically, policy solutions are often chosen." - Fred Cohen

 

[Arkroyal]

Thanks for that. Literally name it just '

http://www'?

 

[TechyMcSe2k]

Yes, Roadki11 is correct.

________________________________________
Achieving a perception of high intelligence level can only be limited by your manipulation skills of the Google algorithm!

 

[Roadki11]

Yup, literally name it www.



RoadKi11

"This apparent fear reaction is typical, rather than try to solve technical problems technically, policy solutions are often chosen." - Fred Cohen

 

[Arkroyal]

When I create the new host A record in DNS, there is an option to 'Create associated (PTR) record.' Do I select this or not?

 

[SimonDavies]

Umm the PTR is used for reverse lookups, because the

http://www entry

is only for your internal users you don't need the PTR record created, if you were hosting the DNS for your site yourself (which I wouldn't honestly do with the way your DNS is) then your ISP would be the one to create a PTR record for the hosted service.

PTR records allow for the IP Address to DNS Name lookup, where you would have the IP address for a server and you wanted to know the DNS name for it.

PTR records are not created by the domain registrars but actually the owners of the IP range, you would need to go to somewhere like

http://www.ripe.net

or

http://www.arin.net

for a clearer view on who owned the IP address you were using.

Simon

The real world is not about exam scores, it's about ability.