An A record is a type of DNS record that maps a name to an IP address. For example, the A record for serverfault.com is 64.34.119.12

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Should I create a second WAN Interface for a new SSLVPN setup on my Sonicwall 2400?

Sonic Wall 2400 I'm setting up a new SSLVPN on our Sonicwall, very new to this. I currently have an exchange server as well, so mail.company.com is directed to our mail server. I'd like to setup a ...
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Domain controller is registering 2 IP addresses with DNS

Recently a DC was promoted and the IP was used from the old DC which was demoted and shutdown.How tostop this DC from registering 2 IP addresses with DNS? Please let me know if any questions.
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Pointing www to one place, but keep subdomain here

First of all, sorry for the awful wording in the title. I will try to explain what I actually need and hopefully someone here will know if it's possible or no. Basically I want to point my ...
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63 views

Is a CNAME sufficient for a www. record?

I have been doing a server migration, and checking that everything related to DNS is configured correctly by using IntoDNS. After doing this though, it flags up a error saying that there is no A ...
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Do I need “A record” for AWS ELB while I set up CNAME?

I register the domain through GoDaddy. And now i have a AWS EC2 server behind a ELB. I read the document from AWS about setting up the CNAME. which I did. www CNAME elb.aws.address while ...
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49 views

Possible to direct naked domain to external IP

So I found this post: configure Bind to have a custom domain on tumblr and I was trying to ask a related question: Would it be possible to set up an A record pointing traffic to domain.com to ...
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95 views

Moving a web server without moving the email server

I need to move a client's website off their old host and onto their new host without changing their email server. I've read this extremely thorough answer on a similar question ...
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42 views

Accessing original files on a domain which has A-Record redirect to tumblr [closed]

Hosting a tumblr on a custom domain, but allowing access to files that are at that domain, that are outside of the tumblr CMS. The custom domain I've got two A-Record DNS entries that point over to ...
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Swiching webhosting company & database erros

Well here comes the situation. I used to have CompanyA for webhosting. (The hosting plan was a shared one). I decided to change the hosting provider and transfer my website to CompanyB, (exclusive ...
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Why can't MX records point to an IP address?

I understand you should not point a MX record at an IP address directly, but should instead point it to an A record, which, in turns, points to the IP address of your mail server. But, in principle, ...
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2answers
85 views

CNAME or A Record to Site under www root?

So I have a server that runs a webapp and I have recently installed our BMC Track-IT! help desk software on it. I also installed Track-IT! Web which is client facing allowing users to browse their ...
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2answers
289 views

Best CNAME TTL strategy for fallover switching

I've recently been thinking about the TTL of our DNS. We have A records for our servers and then CNAME records for the customer facing names. The www.example.com CNAME points to server-01.example.com ...
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4answers
347 views

How much time does it take for new A-records to start working?

I created a subdomain pointing to another IP address with an A-record about two hours ago. When I try to ping, like pinging from different locations (using online services), I get Unknown host:. The ...
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929 views

Alias (CNAME) record cannot be added to this DNS Name [duplicate]

In Microsoft DNS, I'm trying to setup a simple DNS Alias (CNAME) pointing from domain.com to www.domain.com. I also want to forward www.domain.com to a specific IP. In other words, I want to do ...
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1answer
236 views

How would you setup a up an A record for any negative query?

How would I go about setting up an A record for in Bind9 for any negative queries? I want to forward our staff to an informational page if they were to visit a non existent domain. We have an internal ...
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Pingdom error: “No delegation could be found at the parent” when analyzing subdomain

I have a subdomain dramarsarin.crimsonandcyan.com which i wanted to point to another server. I added an A record in the zone file for crimsonandcyan.com with the host 'dramarsarin' and pointed it to ...
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DNS A records disappear, but PTR records still remain

We've been having issues with DNS records dropping. Usually it is from DHCP reservations, like printers. Yesterday it was two of our main servers, also DHCP-reserved. Right now I'm looking at a ...
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Issue getting DNS wild card A Record (*) working

I have a sub domain named subdomain under main domain named maindomain. Inside subdomain i have wild card (*) A Record that maps to a particular IP Address. This works fine and when i say ping ...
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How do large SaaS providers support A records? [closed]

According to RFC 1035 CNAME records cannot be used used in a zone apex because a CNAME record cannot exist alongside records such as SOA. This is frequently a source of frustration for those trying ...
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Disable AAAA lookups in libcurl

We have a step during in of our large map reduce that does DNS resolutions. The application itself uses the c-ares library as well as libcurl. I notice that with each resolution, there is first an ...
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491 views

GoDaddy DNS point my Sub-domain to another Server? [closed]

I want my Root Domain to be still sitting on GoDaddy default IP. (To show the default GoDaddy page that we get whenever we buy a new domain). Then my sub-domains to be pointing to my own WebServer. ...
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Multiple DNS records pointing to a single domain

Our business currently subscribes to a DSL internet connection. We're moving away from this and in fact will have two 3Mbps dedicated fiber connections run into our operations center in the coming ...
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2answers
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DNS A Records For One Domain On Two Servers [closed]

I have two servers, both of which host multiple websites. I would like both servers setup to use a single domain. I have Kloxo installed on both of them and would like to be able to access it via a ...
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2answers
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What's an “empty” DNS A record? [closed]

I know it's not possible an A record to be empty, but what's a good "null" value I can set until I get a machine for the domain? Someone suggested putting localhost in the A record. Is it ok to do ...
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2answers
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Why use CNAME in Route 53+S3 combination

I have been going through Amazon's docs on using Route 53 in conjunction with S3 to serve static websites. The strategy they show is to do: example.com A -> alias to ...
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928 views

MULTIPLE A Records for server hosting mail, dns and www on ONE IP

Could not find an answer, really. So I have a server running having one ip address assigned. The server is hosting www, dns and mail. This is how I tried to configure it (excerpt): IN ...
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Main domain to one server and all subdomains to another server

I'm looking to host my main domain in Server1 eg: example.com. And host all subdomain's in another server Server2. I will be creating subdomain's dynamically. eg: dynamic_subdomain.example.com I ...
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90 views

A-Record to point to hosting vs. changing DNS while keeping the mail externally

I currently am dealing with a client whose e-mail is hosted on Google. We are just in the process of taking over their domain, but their current hosting company suggests a different set up than I do ...
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298 views

CentOS, ZPanel and Cloudflare DNS error [closed]

I am stuck in a problem. I have a VPS which gave me a dedicated IPv6 address and a shared IPv4 address. I have tunneled it and installed ZPanel on my centOS server. Now I can access ZPanel from ...
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www.example.com and example.com records in microsoft dns

Apologies if this is already answered, its a tricky one to search for! We are using split DNS for a domain used internally. For the outside nameservers, theres a simple zone with: @ IN A ...
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275 views

Redirect one domain to another's sub folder [closed]

I have a domain www.example.com that is shutting down, but I need to forward it to www.newwebsite.com/example/ incase there are any SEO benefits to it. The www.newwebsite.com is hosted on a LAMP ...
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A record required for MX record?

Previously our domain, let's call it ourdomain.com, pointed to an IP address (our web host). In addition, we use Office 365 to handle our domain email accounts. DNS records: ourdomain.com A ...
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Hosting server IP address doesn't match A record but still resolves, website loads ok?

Pretty confused by this, I have a website which is on a Fasthosts shared hosting package, the server IP is 213.171.xxx.x However when you do a DNS lookup the A record is a completely different IP ...
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370 views

NameServer vs DNS A-record

I have a domain nomadapp.in which is registered at GoDaddy. For temp hosting i was using Dreamhost and had changed the NameServer in Godaddy to the ones of DreamHost. Now i want to do the Following ...
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Is it possible to have both A record and URL redirect at same domain ? How to? [closed]

Let's assume I have example.org. I want to redirect all request (URL redirect) to google.com But I also want to have a A record on example.org that points to 127.0.0.1 So pinging example.org should ...
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459 views

Using alternate server for specific subdomain - DNS settings

I'm trying to set up DNS records for a domain name, such that mail.domain.com uses a server that is different from any other request to *.domain.com. As I've been going about trying to figure out how ...
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722 views

Setting up Custom Domain with Tumblr isn't working — Correct A-record and CNAME

I'm setting up a custon domain to work with Tumblr. I configured A-record and CNAME correctly, but it still isn't working. www.whatsmydns.net shows CORRECT A-record and CNAME for Tumblr: 66.6.44.4 ...
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203 views

Forwarding a domain to another subdomain

I have 2 domains jainaditya.in (domain purchased from GoDaddy and currently parked) and techphernalia.com (domain and web hosting from one.com). I created a subdomain ajain.techphernalia.com. ...
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Redirecting and changing protocol from http to https using CNAME

Hi I bought a domain with dreamhost. example.com. Now I want to redirect it to one of my azure VM at https://example.cloudapp.net. Apparently it needed to change the protocole as well. Based on my ...
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2answers
49 views

Setting A record to a url string

I have a number of domains that I'm hosting on my web server, so I've edited their A record to point to my server's IP address. Occasionally I have to change the server's IP address, which means I ...
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DNS propagation: A record and IP change on domain panel and VPS?

I'm moving my website from a VPS to a dedicated server. In my Domain administrative panel there is a DNS zone where i've changed the A record from the previous IP address to the dedicated server's ...
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1answer
675 views

Properly Configuring A-Records in Virtualmin for DNS

I'm trying to configure my own DNS with Virtualmin for a domain that I registered through GoDaddy. However, after following the instructions of GoDaddy's support staff, I still can't successfully ...
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75 views

Server not available at new Route53 CNAME

I have a static website (www.example.com) hosted through AWS S3 and Route53. The customer registered their DNS through GoDaddy; www.example.com traffic works great. On that static website is a ...
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1answer
114 views

Can't get Answer for A Records of my Domain from dig Command

I've been trying to solve my DNS-BIND problem for two days, but still no luck. I'm really a novice in DNS configuration. This is my record file: $ttl 38400 $ORIGIN example.ir. @ IN SOA ...
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Multiple A record and session/cookie

For example I setup multiple a record for a domain abc.com 115.11.22.33 115.11.22.34 115.11.22.35 Is it true that if one browser successfully establishes a connection to one of the ip's, ...
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Do CNAME records overrule A records?

I have several A records like so: Subdomain IP Address example.example.com 198.51.100.0 example.com 203.0.113.0 And a CNAME record that looks like this: Alias ...
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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 ...
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DNS: why do we need RR type NS with name and not directly IP?

let's assume I search the NS for the domain yeahman.com. I may get an answer TYPE NS that the server for this domain is ns55.yeahman.com. Then I need at the same time a TYPE A entry in the additional ...
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CNAME and A record have different TTLs. Which one will be cached?

If a CNAME has a TTL of 1 hour that points to an A record with a TTL of 1 minute, will someone who looks up this CNAME have the entire result cached for 1 hour, or will it will keep having to lookup ...
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5answers
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Is a subdomain with both A records and NS records valid?

Let's say I own example.com. I then create an A record on test.example.com to 1.1.1.1. I then create a NS record on test.example.com to ns1.anotherdnshost.com. At another DNS host, I add an A ...