0
votes
2answers
63 views

Can I direct users to a virtual host on a server by the server's main IP address when their DNS fails to resolve the hostname?

Problem: Some individuals' ISPs occasionally can't resolve one of my virtual hosts on a LAMP installation. Ubuntu 10.04 LTS, Apache 2. I'm looking for hack that can do it by IP. Background: On this ...
-1
votes
2answers
58 views

Moving site to another server - inconsistent results between browsers on same computer

I've just moved a site from one server to another. Both servers are under the same Media Temple account - so the nameservers haven't changed, just the IP address. To help verify the move has taken ...
0
votes
1answer
23 views

DNS cname TYPE and IP address

assume a website is aliased. for instance www.sunnyweather.com is the alias and CNAME is xyzverycomplex.sunnyweather.com. After you query and get the CNAME you then need to query the A Type for the ...
2
votes
0answers
143 views

Is it possible to configure a CDN so that it will step out of the way for a subset of regional IPs?

We have a website which targets customers in China, both expat and local Chinese. We have an ICP license which allows us to host in a datacenter inside China. Internet in China is actually as fast as ...
0
votes
3answers
479 views

Identify the computer owning an IP address whose DNS record is 'borrowed' from an old computer

I am in the process of clearing out old computer accounts from an Active Directory domain that I inherited responsibility for. In this environment stale records are not removed from DNS so there are ...
0
votes
2answers
149 views

windows server 2008 dns and optaining static ip addresses

In our office we are using windows server 2008 as domain server. There are about 40 machines. I would like to change my PC network settings from "Obtain Ip address automatically" to specific ip ...
4
votes
4answers
2k views

Making iptables easier to maintain

My network is completely locked down except for a few sites which are whitelisted. This is all done through iptables, which looks something like this: # Allow traffic to google.com iptables -A ...
-1
votes
3answers
53 views

Is it possible to replace A records with CNAMEs in a zone file? [closed]

I've read that some people are able to successfully replace their A records with CNAMEs only. Primarily because the IP address of the A record is not static. Are they using a service like DynDNS or ...
0
votes
1answer
84 views

Moving from mod_rewrite/muliple ports on one IP to just multiple IPs

We have one server and want to run multiple versions of our in-house intranet app and have them be accessible through a web browser by their name, without a port number. This is our current setup: In ...
0
votes
1answer
113 views

Running IIS and Confluence both on port 80 (multiple IP addresses)

I'm running Windows Server 2008 with IIS and Confluence. The server has two ip addresses setup at Network Settings. Confluence is setup to use the second IP address. Both IIS and Confluence seem to ...
-2
votes
1answer
54 views

Windows Server 2003 not loading web pages by domain, but loads/pings by IP (Server not found) [closed]

It's really weird and randomly started happening.. Example: I open firefox or IE on the server and try to load "google.com". It doesn't load. Pinging it doesn't work either. However, if it use the ...
0
votes
3answers
103 views

How do you get permanent IP for your DNS server?

We want to setup our own public DNS server and offer it to clients as a service. DNS server obviously needs to be setup on an IP address and this IP address setup on many of our clients ...
1
vote
1answer
377 views

zeroconf (bonjour) assign ip adresses (.NET)

i am on windows and i want to write a tool in .NET that gives IP´s (with zeroconf) to embedded devices in a network. I am familiar with programming but new to zeroconf, networking. So i wondered, ...
0
votes
1answer
194 views

Multiple DNS A record for one machine

I saw this post but it doesn't really address my situation. I am trying to add a second Address record for the same IP address but for some reason I am constantly getting a 404 bounce from ...
2
votes
1answer
199 views

Intranet web site; sometimes using computer name works, othertimes the IP works..exclusively and alternating

I have created a web application hosted in IIS 7. When I deploy my web app to customers it can be reached via the computer name most of the time, however sometimes it will suddenly stop working. The ...
0
votes
4answers
1k views

Resolving real IP address out of a dynamic dns address

I recently opened a dynamic dns user (at no-ip for that matter..) for my own personal needs and especially for ssh-ing my computer whenever I need to, without knowing it's static IP. My questions ...
1
vote
1answer
408 views

Setting up reverse DNS for a /25 block of IPs

I've currently got a block of IPs that go from xxx.xxx.xxx.128/25 Here's my current rDNS setup: $TTL 12h $ORIGIN 128/25.xxx.xxx.xxx.IN-ADDR.ARPA. @ IN SOA ns1.domain.com. ...
1
vote
3answers
409 views

DNS unavailable; IP address shared by 4 websites. How to extract numerical addresses of each website?

Preliminary note: our DNS service is down, and I have no access to the website settings; I am just a team member trying to help people who need the website right now. Four websites share the same IP ...
-4
votes
2answers
125 views

Inaccessible server after DNS server change [closed]

After configuring a domain name to use the name server of the new server, the new server had become inaccessible (even if using the IP address). Is this normal?
0
votes
1answer
487 views

Multiple internal IP's running on one external IP?

My ISP has given me 1 static IP address, however, I need to run multiple internal IP addresses (from VPS's) under that 1 public IP address. I have enough network connections to my router, but not ...
-1
votes
2answers
2k views

DNS simulation for testing purposes?

I'm wishing to simulate DNS for testing purposes, having decided to learn about it for if I was to go into webhosting. I've considered BIND (and tried setting it up), but that wasn't suited to my ...
2
votes
1answer
544 views

Grant access rights to a MySQL instance based on hostname instead of IP address?

I have a MySQL database that I would like to remotely access from Windows Azure which does not provide fixed IP addresses at this point. Instead of white-listing a very large IP range to cover the ...
0
votes
4answers
479 views

Why do I get different IP addresses when pinging the same host name multiple times?

I got three different IP addresses when trying to resolve a domain name three times. All three of these pings happened within seconds of one another. Is this normal? I wouldn't think DNS servers ...
1
vote
2answers
9k views

Window Server 2008 R2: Can you change the IP address of the domain controller?

Recently configured the IP address of the server 192.168.0.2, then I went ahead and configured its role as a domain controller (This process also configured the DNS). Now I would like to reconfigure ...
0
votes
3answers
2k views

How can I map my server's domain to my IP address?

I rented some server space from a new host and have a static IP address and a domain name that I previously purchased, but I do not know how to register the domain name to point to my server. My ...
1
vote
2answers
2k views

Does CNAME (Canonical Name record) override A (address record)?

If I have an address record setup as follows... www.mywebsite.com 111.1.1.1 *.mywebsite.com 111.1.1.2 and a CNAME setup as follows... beta.mywebsite.com 111.1.1.3 Would pinging ...
2
votes
2answers
54 views

DNS Problem in my notebook

i have windows 2003 server domain environment in my office. my server ip is: 192.168.1.2 if i put this IP in DNS of my laptop network card my folder SYNC works fine & also internet work fine in ...
48
votes
15answers
7k views

Are IP addresses “trivial to forge”?

I was reading through some of the notes on Google's new public DNS service: Performance Benefits Security Benefits I noticed under the security section this paragraph: Until a standard ...
0
votes
3answers
527 views

How to set up DNS-like access for private IP addresses on a VPN?

It is suggested in this question that it's not a good idea to expose a private IP address via a public DNS entry. My question is then what's an elegant and easily maintainable way to allow multiple ...
0
votes
2answers
287 views

Netgear WNR854T has trouble resolving certain names on local subnet

I have a peer to peer network set up with a linux web server as a test environment, and a NetGear WNR854T is set up as a wireless gateway and router. However, from time to time I am unable to resolve ...