DNS is the Domain Name System, a hierarchical, distributed database where the keys are domain names.

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What does it mean when the nameservers reported by whois do not match those reported by nslookup?

I am currently investigating moving some records to a new set of nameservers, and in doing the research to be prepared for it have come up against a confusing mismatch. A bit of background on the ...
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3answers
2k views

Add domain to VPS

I have a VPS server running Ubuntu 11.04 with webmin installed on it. How can I add my example.com domain to my VPS like the way we do on shared server via web panels such as cPanel and etc?
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141 views

Baidu spider does not obey DNS TTL

I moved my website from one VPS to another on 16th April. The A record of the domain name has a TTL of 86400. I made the IP address change at 19:00 GMT 16th April. I do not want the site to face ...
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376 views

Redirect IP Address to Domain Name

I am attempting to redirect the IP address of my domain to the domain name and am running into trouble. The IP address does not redirect to the domain name listed in the redirect statement below. ...
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132 views

Pointing Domain to VPS

I'm trying to point my domain name that's registered through HostGator to my Windows VPS registered through GoDaddy. I'm using Plesk 11 as my Control Panel. I was reading this article from GoDaddy: ...
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205 views

New domain keep pointing back to old server

I am migrating my domain to a new host, 000webhost.com. but it keeps pointing back to my old hosting, biz.nf every time I tried to access it. I know there is a DNS propagate of 24-48 hours, but my ...
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41 views

How do you test non-live sites before switching DNS?

I have a few websites that I need to move to a new server - how would I test that they work before switching DNS? What URL would I navigate to?
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546 views

Minimize downtime moving from godaddy to route 53

I have an A record in GoDaddy pointing to my web server. I want to move this now to Route 53. The last time I did this it took almost 48 hours to propagate. I think because of the order I did things. ...
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2answers
725 views

Point GoDaddy DNS to other DNS master for new subdomain

I have a domain domain1.com and am creating a new subdomain sub.domain1.com and this subdomain has it's own DNS, NOT GoDaddy's DNS. I manage domain1.com DNS in GoDaddy right now and need to tell it ...
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1answer
75 views

Does the DNS lookup result mean that my nameserver is pointed nowhere?

I changed my domain's nameservers, but I don't think the change was processed correctly. Can anyone help me understand the result below "AFTER"? In my registrant's control panel, I change the name ...
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4answers
151 views

How to provide email accounts without changing the DNS?

My client have registered a domain name through BigRock.in, and my client needs 10 email accounts, so I decided to provide it through my web hosting (re seller account). My question is - How to ...
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2answers
78 views

Should a domain be accessible via IP as well?

I have a domain which is accessible through the domain name of course. However, it seats on a unique IP, as it is hosted on a VPS. But I can't access it through that unique IP (I'm getting into a ...
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5answers
170 views

Access site not working for the owner

I made a website, and it works for everyone except for the site owner, who cannot access the site. He gets a "server could not be found" error. I went to his house and the issue occurs for all of his ...
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2answers
38 views

New site created in subdomain, how to move it as a production site and not a subdomain anymore

We have a site www.site.com using ip 123.456.789 and we have a newly design website running from a test run subdomain testrun.site.com using ip 987.654.321. Now the newly designed website is done. It ...
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3answers
10k 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 ...
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3answers
17k views

How can I get a history of DNS registration information?

Is there a canonical place that stores DNS registration information? For example for a domain that has changed hands a few times, can I see a listing of the owner information* over time and when the ...
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2answers
32 views

Redirect to http://mydomain.com rather than http://www.mydomain.com

I created a website and I would like when I put any link pointing to my website, the "www" to be removed. For example when someone enters http://www.mydomain.com/users into the browser address, this ...
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2answers
55 views

Directing Domain to Hosting Directory

I just purchased a domain on Dreamhost, let's say foo.com. I already have hosting, let's say at 123.4.56.789, and have setup a directory foo.com which is accessible at 123.4.56.789/foo.com/. I can set ...
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73 views

DNS CNAME domain.tld, email address problem

After having bought a domain (example.tld) without webspace, I want to let this point to my other domain called (myhomepage.somefreehoster.com). I know this will work using DNS CNAME record and when ...
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1answer
32 views

Setting up a domain name

I am trying to point a domain of support.example.com to a public IP address and am not sure how I can achieve this. I have tried a CNAME record but I understand that it's not possible to direct a ...
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1answer
55 views

Should I use CNAME or A record for Tumblr custom domain in case of .msk.ru TLD?

I'm setting up custom domain for tlog and already have domain name like <business-name>.msk.ru Depending on official Tumblr help in case of third+ domain name I should use CNAME DNS record, not ...
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4answers
1k views

Using local DNS and public DNS during site development

I'm a web designer and I often develop new sites for existing businesses. Sometimes I find it useful to point my DNS address (for my personal computer) to the development servers local DNS (instead of ...
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2answers
332 views

Make all subdomains point to root unless otherwise specified

I'd like all subdomains that aren't being used for anything else to go straight to my domain. ns1.mydomain.com. A 198.123.44.55 ns2.mydomain.com. A 198.123.44.66 *.mydomain.com. CNAME ...
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128 views

Two DNS providers for one Domain Name?

I have a domain name www.example.com hosted by Namecheap. Namecheap just got hit with a huge DDOS which meant the domain name stopped responding and in turn one of my customers websites wasn't ...
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28 views

Required steps for Domain Name Setup

What are the required steps (i.e. purchase of a domain, etc.) to get a DNS domain (i.e. foobar.com) to point to any static and public IP (i.e. 100.101.102.103)? If I hosted a DNS server myself (at ...
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30 views

Domain name never return requested path/document, only /index.html

I have my own web server and I purchased domain name to use it with my website. For example - my domain name is www.example.com When I navigate to www.example.com/example.html (or ...
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1answer
563 views

Why is my DKIM invalid?

When I use http://dkimcore.org/c/keycheck to test my DKIM it says This is not a good DKIM key record. You should fix the errors shown in red. DNS query failed for ...
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1answer
708 views

redirect www to non-www (CNAME needed?)

I want to redirect http://www.mywebsite.com to http://mywebsite.com. I would like to avoid duplicated content. Is 301 redirect in nginx sufficent? Is it needed for me to add a CNAME record? My ...
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1answer
76 views

Mapping a domain to my virtual server using an A record

I bought a virtual server from Hetzner. It has Debian 7.0 minimal installed, and I also installed Apache server using apt-get install apache2. That's about everything I did on the server. This URL ...
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5answers
3k 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. ...
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3answers
4k views

How to move a website and domain name without experiencing downtime for emails or site?

Okay, I have a pretty complex problem, so I'll get right to it. I'm a designer who built a new website for my client. Their old site is hosted at GoDaddy, as well as their email. Problem is, the ...
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96 views

Spam being sent from my domain

I have a suspicion that somebody is sending spam from my domain. Today I received an email from postmaster(AT)halliburton.com to htuwxjw(AT)example.com which said: The following email was blocked ...
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185 views

Can changing nameservers while keeping the same host impact SEO for websites?

I host several Italian sites in a Virtual Private Server (VPS) located in Italy. At the moment, most of the domains are registered by the same provider, so all the nameservers are located in Italy ...
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2k views

Can I redirect a subdomain to an IP address with a port?

I've got two addresses: ipaddress and ipaddress:100. The first one uses the default port of 80, but the second server (running GitLab) uses port 100. I have multiple IP addresses, but I am wondering ...
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1answer
135 views

Where must a PTR record point to in order to avoid being classified as a spammer?

We have a dedicated server for our website, and we also use it to send out bulk emails (ALWAYS by request, NEVER unsolicited or for spam). We are trying to set up a PTR record and there's one thing I ...
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1answer
425 views

I'm receiving this error when I point my domain names to a new VPS host: “You must enter a registered nameserver”

Why am I getting this error message when I point my domain names from my old host to a new VPS host: knowing that My dns is already registered in my new VPS host!
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200 views

Is “Redirecting via DNS” a good practice for positioning a website?

In order to position a website project I'm planning on getting 3 domain names (example.com, example.org and example.net). Whenever a user goes to "example.org" or "example.net" he/she would be ...
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2answers
163 views

My website's DNS no longer resolved after my hosting provider suffered a DDoS attack

I registered a couple of domains with a local hosting provider. I set up the records with the correct IP address. My servers are colocated in another data-center, not with this provider. After ...
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3answers
479 views

Forwarding non-www domain to other domain using DNS

Is it possible to forward firstdomain.com to www.seconddomain.com or seconddomain.com using purely DNS records? I know how to forward www.firstdomain.com to seconddomain.com (using a CNAME). What I ...
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253 views

DNS created and pointed to new IP, but showing a blank page - do I have to redirect it using .htaccess?

How would I go about configuring my web server to handle a domain that's already configured using DNS to then redirect it to a folder? My friend pointed his domain forum.example.com to my forums at: ...
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1k views

How can I remove the security/malicious user warning from my website?

I have a domain name tradespring.net, and www.tradespring.net that redirect to my Heroku app with a CNAME record. However when I first try to access these sites it gives me a malicious warning. ...
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453 views

Why doesn't my domain resolve to the hostname CNAME/ALIAS I've specified?

I have a domain set with a CNAME alias to point to Heroku, but it is not resolving. Here is a link to a screenshot: http://awesomescreenshot.com/03226ntoc4 And here is the output from nslookup: $ ...
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1answer
692 views

Do I set a DNS A Record for the new GitHub Pages to use their CDN?

GitHub updated their Pages service for custom domains yesterday and I'm not clear on one small detail. They recommend a CNAME record for www.example.com but do not recommend using A records for the ...
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137 views

Changing nameservers breaks Google MX records

I purchased a domain from Hover and I'm setting up Google Apps for Business on it. I went through the steps to change my MX records to Google's MX records, and everything was working fine. However, ...
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139 views

Point email records to server without domain name?

I have a Shopify site and have my www CNAME pointing to it. However, I need to point my mail records to my VPS where I have set up webmail. I am really confused with how to do this and have tried ...
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1answer
36 views

What's the purpose of unique webserver names?

Previously I would set the name servers of a domain to what the hosting company told me (e.g. ns1.hostingcompany.com). I've now started buying domains from a company that lets you make your own ...
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859 views

CloudFlare DNS: Downtime failover host

My company uses CloudFlare for its DNS, but as our site is HTTPS-secured and we're on the free plan, we can't utilize CloudFlare's CDN services. Our host has fairly rare but not insignificant ...
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1answer
49 views

Shifting from no-www to www and browsers' password storage

I created a website having user-registration system and invited my friend to join it. I gave him the link of no-www version: http://mydomain.com but now after reading this and this, I want to shift to ...
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233 views

How can I point a subdomain at another server? [duplicate]

Possible Duplicate: How to point a domain to another subdomain? Is it possible to set up a subdomain to render content of another server? Let's say I wanted google.domain.com to render ...
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59 views

What happens if two people at the same host claim ownership of a domain?

I have all my domains registered through company A and they are hosted through company B. I set my nameservers at company A to point to dns.companyB.com and everything works great. But couldn't ...