should clear dns cache

Originally transferred from http://hi.baidu.com/shyoung/blog/item/b0ccff03fd462481d43f7c5a.html The complete DNS System of the DNS component consists of the DNS server, region, Parser (DNS client), and resource records, and you need to correctly

1. What is DNS? (Domain Name System) domain name system. In fact, the functions implemented by DNS are very simple and effective, so that users do not need to remember the IP addresses that frequently access the server, you can directly access the

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

Http://yuelei.blog.51cto.com/202879/106921 Common DNS records (I)In the previous blog, we introduced the architecture of the DNS server, from which we learned that if we want to register a domain name, then, the domain name that we apply for must

Install DNS suite: bind Finally, all the nonsense is finished! I believe you are a little tired !? The Bird brother is very tired, because the arm, shoulder and neck pain problems are quite serious... sorry! What are you doing here !? @ _ @ Well, we

  DNS spoofing technology principle and Security Protection Technology   Overview: What is DNS spoofing?DNS Spoofing is the art of changing the original IP address of DNS. For better understanding, let's look at an example. If you want to use your

Overview: What is DNS spoofing? DNS Spoofing is the art of changing the original IP address of DNS. For better understanding, let's look at an example. If you want to use your browser to search for some information on google, you can enter

Overview: What is DNS spoofing? DNS Spoofing is the art of changing the original IP address of DNS. For better understanding, let's look at an example. If you want to use a browser to search for some information on Google, you can enter the

In actual application, DNS resolution errors may occur, that is, when we access a domain name, it cannot be resolved to an IP address, however, you can directly enter the website IP address for normal access, which is caused by a DNS resolution

Document directory   The customer called at last night and said that the website could not be accessed. He immediately ran up, entered the domain name, and asked my friend to enter it.Change access from IP address OK, DNS problem. I came to the