check domain ns

In the domain name resolution process, some users like me, always feel that the takeover status from X to √ wait too long.For example, in the Cloudxns, see the following Red Cross question the Lord always has a thing to do not do always wait to see

During this time, due to the working relationship, we need to study the working principle of DNS Server Resolution and find this article on CNNIC.Article, Reprinted now Architecture of CN Domain Name Resolution Service

UNIX is a very popular network operating system. Using the Domain Name Service function provided by UNIX, it establishes a Domain Name System for the Enterprise Intranet, which can effectively manage the network, it is convenient for users to

Many people do not know how to resolve public domain names on their own DNS servers. Now let's announce the steps. 1. You must have your own domain name. Therefore, go to the domain name registrar to apply for a registered domain name. Try to find a

Apacherewrite redirection rules, rewrite regular expressions, second-level domain names point to first-level domain names, multiple domain names point to one domain name, IP to domain name first there is a linux server, there are four IP addresses

2.6. Resource records The domain name marks the node, each node has the resource information set, some sets can be empty. The resource information set is associated with the special name of the detached resource set (RR). There is no relationship

type of action of the bind system across the Internet , more than N servers, personal hosts, most of the sites, mail and other servers have used the domain name form of address. such as www.google.com,mail.163.com and so on. It is clear that this

1. view the Host IP address resolved by the DNS host name Host CommandPurposeResolve a host name to an Internet address or an Internet address to a host name.SyntaxHost [-n [-a] [-c Class] [-d] [-r] [-t Type] [-v] [-w] [-z] Hostname | Address

What is a domain name? What makes a domain name? A domain name is the name used to search for a website on the internet. It is an important identifier on the internet and is equivalent to a host's house number.Each host corresponds to an IP address.

DNS Subdomain Authorization:Here we only show the subdomain authorization for forward parsingThe parent domain is able to parse the a record of the subdomain (not authoritative, because it is not self-parsing),The subdomain cannot resolve the A