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Old 08-22-2000, 06:16 PM   #1
CYBERWORLD
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Join Date: Sep 1999
Posts: 231
Unhappy Free DNS for you to change record online immediately

Are there any free domain name server provider which allow me to change the MX and CNAME record immediately? I don't want to use the DNS server of my current hosting company as I don't want to email them every time I change it. Of course, I want the most reliable service.

But I am not sure, whether I need it for my situation. Here is what I am looking for:

I have a domain name and I want all the email to this domain can be managed by a certain email server, such as i-p.com, everyone.net.

When people go to my main site, it will go to my current web server of my hosting company.

For other subdomain, I want to control them separently, such as direct them to another web server.

In other word,

main site -> web server of current hosting company
subdomain -> another web server of another company
all the email -> another email server of sth like i-p.com, everyone.net...

Do I need a separate DNS to do that? I hope you expert can correct me if I make any misunderstanding of these technical things.

Where can I get a standalone DNS, and have the full control of changing the record.

Do the web browser need to fetch my DNS everytime they go to my site?

Also, why it takes time for the worldwide to change the DNS record of my site? Is it because the ISP of every countries will hold the DNS record of the domains in the world eg: ns1.yourname.com . And they will update only once for serveral days ?

PS: I don't have a good concept of the relationship between DNS server, mail server, web server, file server and other. If you can teach me, I will be extremely glad.


Thanks a lot!!
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Old 08-23-2000, 01:20 PM   #2
Steve_S
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Unhappy

Let me take a stab at some of your questions. This is a very complex issue that requires tons of real world experience.

1) Some ISPs update their DNS records more often than others. I use three on a daily basis and the T1 was the first to see/resolve my new domain name and then 2 days later my dial up could see the domain. In other countries with less sophisticated infrastructures it could take a week. This procedure is refered to as propagation. The fastest I have ever experienced was 1 day.

2) The best dedicated server front end to hosting your own DNS is with http://dialtoneinternet.com/ All their dedicated servers include DNS hosting and a slick front end that makes it just a few clicks via a GUI to add an ip, bind a domain to it, and many other things. I'm not a reseller but I like this very much and have a dedicated server with them.

Let me see if I can round up some experts for you.

BTW, this site is on my Virtualis dedicated server and today their DNS servers went nuts for about an hour so none of my other domains would resolve.

HTH





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Old 08-23-2000, 06:19 PM   #3
CYBERWORLD
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Join Date: Sep 1999
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Unhappy

Thanks Steve!!

My concept is clearer now. However, when you said the ISPs will update DNS record, is that the record in internic "ns1.yourname.com and ns2.yourname.com" or the zone file in my DNS?
In other words, which record will they store in their own server?

Please correct me if I am wrong:

1) when my domain is accessed my a certain ISP for the first time, it will first find the record from internic and get the location of my DNS : ns1.yourname.com. Then, it will go to my DNS (ns1.yourname.com). My DNS has a zone file which contains MX, CNAME (they will manage the email, alias... to this domain). The zone file may specify to the web server, email server, ftp server etc..

2) if the domain was accessed by the ISP before and the record did not expire, the ISP will search their own cache for the domain zone file, without going through internic and my DNS server.

Did I guess it correctly?


I have got my own zone file from my hosting company. Can anyone explain every part of the file? Or, can you suggest some site for me to refer?

Thanks a lot!! http://geekvillage.com/ubb/smile.gif http://geekvillage.com/ubb/smile.gif
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