DNS propagation: Depending on who you ask, you may receive different definitions for DNS propagation.
Hosts file: The hosts file is a text file in your computer's operating system that you can use to override external DNS records.
It is similar to a zone file, but it is local to your computer system.
The length of time that records are cached is usually determined by the TTL (see definition below) set by the authoritative name server, but some Internet Service Providers may have their DNS servers set to cache records for a longer period of time.
This delay in updating DNS cache is commonly called DNS propagation.
In Hover, you can set your domain's authoritative name servers by selecting the Account tab and clicking on Name Servers. DNS: DNS is an acronym for Domain Name System or Domain Name Server.
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CNAME (Canonical Name) record: This record points one name to another. The Domain Name System assigns domain names to IP addresses.To a computer, absolutely no meaning until it contacts a name server.Your Internet Service Provider's name server will translate .30 for your computer.COM in the example above) and ask it for the authoritative name server's IP address.The authoritative name server for a domain name is chosen by the domain owner.The IE zone (IEDR) reloads (refreshes) the IE zonefile every odd hour, ie.,,,,,,,,,,, hrs.Dear DNS Experts, The target audience for this tutorial is intermediate users who want help understanding how DNS works.Hostname: A name or label that has been assigned to a host computer.by itself is just a domain name, but after has been pointed at an IP address (the host) by a DNS server, it becomes a hostname.Specific technical and engineering details may be omitted or simplified for the purpose of keeping a complex topic as simple as possible.In a nutshell, the Domain Name System (referred to as DNS) translates human readable domain names into IP addresses.