Questions tagged [dns]

DNS is the Domain Name System, a hierarchical, distributed database to map various information together, such as hostnames to IP addresses. The name is also used as a synonym for nameservers, the specific servers delivering the DNS feature. This tag should be used for all issues about configuration of DNS systems or troubleshooting problems in names resolution.

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9
votes
1answer
743 views

How do I leave mail at the registrar while serving the web from host?

Client's domain is registered with GoDaddy where they have a mail-only plan at the moment. Now web hosting has been set up elsewhere and we need to point web service to the new host while retaining ...
3
votes
1answer
4k views

Virtualhost config: routing and wildcard usage

My VirtualHost config is below: <VirtualHost *:80> ServerName www.example.com ServerAlias example.com DocumentRoot /var/www/example/html </VirtualHost> I ...
224
votes
7answers
97k views

If ICANN only charges 18¢ per domain name, why am I paying $10?

ICANN charges 18¢ per domain name registered regardless of its extension, but I pay $10 for a domain name per year with my registrar. What do domain name registrars do for its customers to justify ...
10
votes
4answers
50k views

How to host a single website on multiple servers?

I'm planning on releasing an iOS app that downloads video from my server. If hundreds of people on the launch day try to do this, then my website and the services that my server provides will clearly ...
7
votes
2answers
1k views

Does the “canonical name” in DNS make any difference to search engines?

Some of our sites are setup with an "a record" to an IP address and some are setup as a cname of a server that then has an "a name" to the same server IP. I want it to be consistent. Which is the ...
15
votes
6answers
37k views

How can I host a website on a dynamically-assigned IP address?

I recently upgraded my internet to the point that it is much faster and more reliable than my current webhost. I would like to move my current domain to be hosted at home, but my IP address is dynamic....
14
votes
3answers
54k views

Can DNS point to specific port?

I got virtual machine on some server and my URL is something like this. 111.11.11.111:8002 Can I get DNS who will point to specific port ? One more thing. If I cant do that, can my virtual ...
6
votes
2answers
2k views

Block a random domain pointing at my dedicated IP

I have a random domain name which has it's A record going to my dedicated IP. Therefore duplicating content. Is there a way I can disable the domain at IP level maybe in iptables? I have a .htaccess ...
7
votes
1answer
4k views

SEO and multiple domains to same site

I have one website. I have two domain names that I want to point to the same site install. So whether you go to name-one.com or name-two.com you see the exact same site. Now, I can either set up ...
4
votes
1answer
3k views

Naked domain to “www” redirect in Windows Server 2008

I have a Windows server. I have several websites hosted on my server. Currently, I can only visit these websites if I include "www" (e.g., www.techtint.com). I want the naked form of the URL to ...
37
votes
3answers
17k views

What is the safest way to search for domain names availability?

I am victim of Domain name front running. I searched for domain names on some sites & I lost those names soon. Now, what is the safest way to search for availability of domain names ? Using ...
27
votes
4answers
66k views

Is there any way to redirect one domain to another via DNS settings keeping the path information?

For example, my domain is example.com and when someone navigates to example.com/sample/page.htm, I want it to redirect to test.com/sample/page.htm. I know that this can probably easily be done using ...
27
votes
3answers
6k views

Should I have both example.com and www.example.com?

I used to have a website which could be addressed by both example.com and www.example.com leading to the same page. Now, I moved to another server and only the example.com works. I got an email from ...
14
votes
2answers
8k views

What is the maximum number of DNS A-records you can use on one domain?

Is it correct that there is no limit to how many DNS A records can be set on a domain? My boss asked me this and it made me curious, I can't find anything online.
10
votes
2answers
8k views

Why won't Webmaster Tools let me set a preferred domain? (says to verify, but it should already be)

I've got a domain that I apparently forgot to set a preferred domain for, so I just tried to do it. Webmaster Tools instead popped up a little box: Part of the process of setting a preferred domain ...
4
votes
3answers
5k views

Domain name only works with www. but not without the www

I have searched for this problem numerous times but I can't quite apply the solution to my problem. The usual solution I find is that I need to add an A-record to my dns, currently I only have a C-...
2
votes
2answers
2k views

How to make DNS server propagate faster if you are a site owner?

It's often the case that I want to change name servers because my site is messed up. Well, it takes a very long time for the name server to propagate. Is there something in DNS, or registrar or ...
2
votes
2answers
89 views

Having 2 hosting accounts in case one of downtime?

I'm looking for a simple solution to increase my website's uptime. My website consists of simple HTML and PHP pages with no database. Right right I use paid shared hosting and I sometimes find that my ...
2
votes
1answer
3k views

DNS takes too long to resolve

I have a site and its load time needs improvement. When I monitor it, the DNS takes too long to resolve. Pls see the results here: http://tools.pingdom.com/fpt/#!/GOv42ma85/http://www....
1
vote
1answer
109 views

Register new hosting IP in DNS A Record

At the moment I have example.com that my colleague bought from GoDaddy which was first purchased via Google Work. The purchase did not include a hosting plan. We do not plan to host our website on ...
0
votes
1answer
60 views

methodology behind using cname to verify domain ownership for use with a host

Webhosting services, such as Squarespace, enable customers to connect their third-party-hosted domains to their site without transferring ownership or switching Nameservers. This is achieved by adding ...
106
votes
4answers
124k views

Using multiple A-records for my domain - do web browsers ever try more than one?

If I add multiple A-records for my domain, they are returned in a round robin order by DNS servers. Example: 192.0.2.1 A example.com 192.0.2.2 A example.com 192.0.2.3 A example.com But how does web ...
33
votes
5answers
2k views

Does registering a domain for 10+ years help search rank?

I've heard that registering a domain name for a very long time, say 5 to 10+ years, can help with your search rank. This seems at least plausible to me, since a fly-by-night, massive domain name farm ...
28
votes
7answers
4k views

Registrar with good security, DNS hosting, and DNSSEC and IPv6 resolvers?

I'm looking to move my domains away from GoDaddy, but I'm having a tough time finding anyone with comparable features at a (even remotely) similar price. I've looked at the usual suggestions (...
31
votes
2answers
125k views

How to forward non-www to www. Using Godaddy DNS Manager

so I've set www.mydomain.com to point to ghs.google.com, which correctly loads my Google site, but if you go to mydomain.com, it doesn't redirect/forward to www.mydomain.com, it just hangs. is there a ...
8
votes
4answers
33k views

I registered a domain name — how can I point it to my DynDNS host?

How can I host a website from my home machine? I have a DynDNS address so that even if my external IP changes, the machine is accessible. Lets say, for example, the machine is accessible at example....
11
votes
5answers
3k views

DNS hosting better managed by Domain provider or Hosting provider?

Is it better to let DNS be managed by Domain Provider like GoDaddy/Namecheap or point the nameservers to hosting providers like Linode? What are the differences and disadvantages/advantages of both?
11
votes
3answers
24k views

Is it possible to use cloudflare without having them managing my DNS?

I need to use cloudflare without having them managing my DNS, My DNS server have much more options that I do need. Instead of setting cloudflare as my dns server, I have added it as a NS record from ...
16
votes
6answers
19k views

How do I check that a domain is available without triggering a grabber?

A few days ago, I checked whether a domain was available by tying the name in the web browser. Also host returned not found 3(NXDOMAIN) When I tried again today, some domain grabber had snatched it. ...
15
votes
3answers
22k views

Is it okay to have no A records for a domain?

There is one domain I'm using for email only. MX records are set up and everything works. The A records for @ and www are pointing to a machine, which just redirects to google.com. I am now wondering ...
10
votes
2answers
703 views

How many domains to split components across?

I understand how splitting components across domains can maximize parallel downloads, and enable you to have cookie-free static content domains, but since there's a time cost for each domain lookup ...
6
votes
2answers
5k views

How can my site detect mobile phones and switch visitors to a mobile Domain?

My Question is that when user enter the website: http://www.example.com then they will just go to automatically to http://www.example.mobi how can i do this .. is their any technique behind that. ...
5
votes
1answer
1k views

Nginx Reverse Proxy for Tumblr

I'm currently trying to set up a reverse proxy redirecting a domain to a tumblr blog. I've set up NGinx using this Gist. My nginx configuration looks like so: upstream tumblr { server 66.6.44....
3
votes
2answers
6k views

Subdomain on another server cPanel A Record & Cloudflare

I have created an A record to point to another server for a subdomain to be hosted separately from the actual domain name. I created this on cPanel but I also have Cloudflare enabled. I subdomain ...
2
votes
1answer
6k views

SEO impact of using CNAME host both naked and www URL

I have been told I can have two A records on my domain, one with www and one without. However, I have been told can cause SEO issues because google will take it as duplicate content. However when I ...
5
votes
3answers
4k views

What is needed to add DNSSEC to my site?

What is needed to add DNSSEC to my site? Is it like HTTPS/SSL that I have to buy a certificate, or can I generate one myself to use? Is there any free way I can use DNSSEC or do I have to pay for ...
4
votes
4answers
9k views

One domain, multiple IP addresses

I have a domain-name, and I want to host the website on two servers. One server is located in Europe and one in Asia. How can you route European people to the European server and Asian people to the ...
4
votes
2answers
972 views

How to make so that a first domain name redirects to second one but the URL displays the first domain name?

I have first domain name registered with some domain name registrar, for which I don't have web hosting account, only dns hosting. I have second domain name registered with godaddy, with web hosting ...
4
votes
1answer
20k views

no-www redirect not working / DNS A record

I'm far from an expert on this, but I'll try to be as clear as possible. I have an eshop solution leased from a company and it's hosted on their server. I can access it thru company.com/myshop and it ...
3
votes
2answers
1k views

Redirection based on user's location

I'm about to redirect my French users from mysite.com to mysite.fr. Is it possible using DNS CNAME records or should I write some GEOLocation codes to do that? I will appreciate any other ideas. ...
3
votes
1answer
335 views

Unknown subdomains pointing to my domain name

About 6 months ago I purchased the domain name example.net. Today I was trying to go to my control panel at example.net/cpanel but accidentally went to cpanel.example.net. I found a completely ...
2
votes
2answers
2k views

Can't have CNAME for domains root, using noip to point to static host

I'm aware that I'm unable to have a CNAME as the domains root under the ruling 3.6.2 of RFC 1034, however I'm using noip to point to a static hostname. Currently I have www pointed to my noip static ...
2
votes
1answer
9k views

How to connect a Freenom domain name to my Amazon ec2 instance?

I don't know how to point my domain name to my ec2 instance. I purchased two free .tk domain names from Freenom. Now, I don't know how to configure to use them. I want to know which settings I have ...
1
vote
1answer
909 views

how to deploy my jboss servlets to GoDaddy and make it available to my Android client?

I have my web application running in jboss on my pc, accessible only in localhost. I have seen in sites like godaddy, they talk about giving a domain name to your site. My application only serves ...
9
votes
2answers
1k views

Someone else is using my IP address with an old A Record. What can i do?

I found out that someone who used to have my current IP address, still has an old A record and google is using that for returning search results. As a result, when someone searches the name of my ...
6
votes
1answer
366 views

What percent of visitors should click on the next page before you enable prefetching?

Mozilla Firefox and Google Chrome support prefetching via an HTML tag: <!-- in chrome --> <link rel="prerender" href="http://example.org/index.html"> I suppose it is always worthwhile to ...
6
votes
4answers
10k views

Will transferring a domain name to a new registrar cause downtime?

Will transferring a domain name to a new host cause downtime at all on the domain? It's the highest traffic time of the year for us but we really want to keep things moving and need to migrate hosts ...
3
votes
3answers
3k views

How do I point one domain name to two IP addresses for redundancy and failover?

How do I point one domain name to two IPs? For example, I'd like to have the setup: app.example.com IN A 192.0.2.1 app.example.com IN A 192.0.2.2 The hostname should resolve to whichever IP is up.
3
votes
1answer
3k views

changing CNAME record, will it affect existing email addresses

I need to forward a domainA to redirect to domainB. I've been doing this via CNAME records but for this situation I need to leave email addresses for domainA intact and unaffected while redirecting ...
3
votes
1answer
1k views

CloudFlare DNS: How to setup a GitHub Repository to a custom sub domain?

I have a github pages site, and I want to add it as a subdomain to my cloudflare domain without using a page rule