Domain is the word sequences one enters in their URL bar to visit your site. (It is the name of the site) e.g. www.com.
Subdomain - typically known as a "domain within a domain", subdomains are individual Web addresses built upon a pre-existing domain name (such as sveta.example.com which is a part of example.com domain).
Registrar is an entity which sells, renews, and manages domain name registrations.
The registrars are accredited by ICANN – the Internet Corporation for Assigned Names and Numbers.
DNS (Domain Name System) is a system which resolves domain names into IP addresses and vice versa: e.g. domain name www.com resolves into IP address 64.22.116.35, so IP address 64.22.116.35 corresponds to www.com.
Correct DNS settings are required for services dependant on hostnames on the internet to functions
Name server is a server responsible for interpreting domain names and IP addresses.
When a domain name is being transferred, the registrar of the domain name is being changed. While the domain is pointed the registrar stays the same, the name servers the domain is pointed to are changed to those of the hosting company.
The procedure for transferring a domain name is fixed:
After this process, the new registrar becomes one's designated registrar and all correspondence shall be done with them.
The procedure of pointing the domain is the following:
You can also ask your domain registration provider to do this for you if you are new to this.
DNS propagation refers to the process of updating all DNS systems on the Internet. The process where name servers throughout the Internet add new domains and remove expired ones from their records. Usually takes 24-72 hours.
WHOIS is central database which tracks all domain name/IP registrations.
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.