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PHP-Fusion have four DNS Servers,

This tutorial is operating under the assumption that you are using SSH.

Step 1. Check the official nameservers for the domain with:
Step 2. Check that the DNS records are @ the official nameservers:
Step 3. Verify when there may have been a recent change to this domain.
Step 4. Check on DNS propagation to see if this appears to be the issue:
Other Very Helpful Tools:

Step 1. Check the official nameservers for the domain with:
whois domain.com

Step 2. Check that the DNS records are @ the official nameservers:
dig +short @[nameserver] domain.com type
ex. dig +short @ns1.west-datacenter.net ifurniss.whsites.net

Step 3. Verify when there may have been a recent change to this domain.
Step 4. Check on DNS propagation to see if this appears to be the issue:
ex. http://whatsmydns.net/#A/ifurniss.whsites.net/

**Free Proxy servers**

**Sites to check website**

Other Helpful Tools:

dig +short @nameserver domain type
nslookup domain.com
host domain.com
host -t mx domain.com
host ip_address → reverse DNS whois domain.com http://whatsmydns.com/#A/domain.com
This can be as quick as 1 hour.
We state between 24-48 hours for a domain to FULLY propagate, but your site may start working within 2-6 hours normally.
Changing name servers usually takes longer to propagate than making changes to DNS records.
A wildcard DNS record is a record in a DNS zone that will match all requests for non-existent domain names, i.e. domain names for which there are no records at all. The most common is for any sub-domain.
DNS stands for Domain Name System. Think of the DNS as the phonebook of the Internet. You and your clients/visitors know websites by their URL or Domain Name. The Internet only knows websites by their numerical address or IP. When you type a domain name in your browser and submit it, your computer automatically uses DNS to look up its numerical IP address and directs you to the site you are trying to visit.

For instance, using DNS, the domain name westhost.com might translate to

Let's go into some detail to help better understand how this works. First, we need to define some terms.

IP Address: Internet Protocol Addresses are unique numbers that allow devices to locate information on a network. Every network device has an IP address, and sometimes more than one.

Domain Names: These are easy to remember names like URLs and e-mail addresses that are associated with one or more IP addresses. Since a web page is defined by its URL, the page can move to a different IP address without affecting visitors [if the move is performed correctly].

The Internet simply wouldn't work without DNS. For most of us, remembering a long numerical address for every website we want to visit would be very difficult. Because of DNS, you don't ever have to remember the numerical addresses of websites.

Most Internet Service Providers (ISPs) have their own DNS servers that store a list of all the IP addresses and matching domains that have propagated to their network, plus a cache of IP addresses and matching domains for recently accessed servers outside the network. Each computer on each network needs to know the location of only one name server.

DNS is also used to find out where to deliver email for a particular domain.

Let’s continue by breaking down each section of a Domain Name.

TOP-LEVEL DOMAINS or TLDs are the last part of a domain name. These are the letters or short abbreviations after the last period. Some examples of common TLDs are: .com .net .org .biz .edu .co.uk

SECOND-LEVEL DOMAINS are the primary customizable part of a domain name as registered by a client. Some examples are: westhost or google, or wikipedia.

Combine the TLD and Second-level and you get westhost.com, google.com, and wikipedia.com.

THIRD-LEVEL DOMAINS are also known as subdomains and CNAMEs. In a full URL path, the subdomain is written before the domain name. Some common examples are: www , mail , or cpanel.

Add the TLD and Second-Level to the Third-Level and you get: www.wikipedia.com , mail.google.com , and cpanel.yourdomain.com.

Let examine the domain https://next.php-fusion.co.uk

php-fusion.co.uk is the domain name.
.co.uk is the Top Level Domain or TLD
DNS Propagation Is The process of updating a Domain or any associated host records throughout the world's Internet servers is called propagation.
This process can take one to three days to complete.
Using php-fusion.co.uk or 'domain' as the example, we'll review how DNS works.

At the top of the DNS chain is the Domain Registrar.
Registrars provide registrations for custom Internet domain names like php-fusion.co.uk or yourdomain.com.
At the registrar level you can configure Domain Name Servers which will communicate the necessary resolution information for a domain name.
Usually there will be at least two domain name server addresses for this purpose, which will be provided by your Web host.

If you are with PHP-Fusion there are different domain name servers depending on your account, and you can always contact Tech Support with further questions about how to configure those for your domain.

DNS changes can take time to propagate throughout the Internet in order to work correctly. This can take 3-24 hours to complete.
Allow up to 72 hours for complete worldwide propagation.

Once the DNS are set to a web host, then they will resolve to servers with that company, where the Domain Host information is stored.
This points traffic through to the correct DNS Record for your domain. A DNS record includes all the parts which point your domain to the correct IP address of your server(s) which host the site content and e-mail for your domain.

A breakdown of record types is below.

The A Record [or Host Record] is the central record for DNS. This record links a domain or sub-domain to an IP address.

MX Records [Mail Exchanger] direct e-mail to server for a domain name, and are listed in order of priority with 0 being the highest.
MX records point to a host/domain name for a mailserver.

CNAME Records [Canonical Name] are aliases for A Records. For each CNAME record you can choose an alias and an A record or host/domain name.
DDNS stands for dynamic DNS, or more specifically dynamic Domain Name System. It's a service that maps internet domain names to IP addresses.
Unlike DNS which only works with static IP addresses, DDNS is designed to also support dynamic (changing) IP addresses, such as those assigned by a DHCP server.

Dynamic DNS Means Anytime, Anywhere Network Access. Because ISPs don't assign static IP addresses, accessing devices your network remotely is tricky.
One way around changing IP addresses is to use PHP-Fusions Dynamic DNS service, which automatically tracks the changes to your network's public IP address and relay this information to our DNS Servers.
PHP-Fusion have a customized Dynamic DNS Software for Windows, free of charge provided that you host your domains with us.
DNS is static which means it remains fixed for a particular domain.
DNS is static so the IP address associated with it should be static. If you have a dynamic IP, the computer changes the IP address frequently.
Dynamic DNS is used to in order to avoid this situation.
A DDNS (Dynamic Domain Name System) is a third party service that tracks your IP address changes and gives you a static hostname.
Once configured, any changes to your IP address will be updated on the third party's server, but your hostname will remain the same.
Dynamic DNS (DDNS or DynDNS) is a method of automatically updating a name server in the Domain Name System (DNS), often in real time, with the active DDNS configuration of its configured hostnames, addresses or other information.
PHP-Fusion offer free DNS handling to all our domain clients.