Discover authoritative name server lookup, include the articles, news, trends, analysis and practical advice about authoritative name server lookup on alibabacloud.com
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
8.1 Data Lookup and Transmission B + Tree: B + tree improvement for leaf nodes is also sequential emissionsLSM (log-structured merge-tree) treeStorage System OverviewHBase mainly handles two types of files: the WAL (write-ahead log) pre-write log
The installation of DNS servers and clients is briefly described in the previous section. Although there are few knowledge points involved, there are already two parts of the DNS system that are indispensable, that is, DNS servers and clients, and
First, install DNS
1. Install DNS: Start-Control Panel-Add or Remove Programs-add or remove Windows components, and the following window appears:
2. Scroll down, click "Network Services" by clicking "Details", and the following window appears:
Dns_bind_ forward and reverse domain name resolutionBind Service supports TSIG Secure encryption transfer mechanismDNS domain name resolution service for resolving domain name and IP address correspondence Serviceforward parsing: Based on the domain
Each IP address can have a host name that consists of one or more strings separated by a decimal point. With the hostname, do not memorize each IP device IP address, just remember the relative intuitive meaningful host name on the line. This is the
People may have such a puzzle: computers on the network can only identify such as "123.123.123.123" such as digital address, so why when we open the browser, in the Address bar to enter the domain name dns.qy.com.cn, we can see the page we need?
In
Before you build a DNS server, introduce the terminology in several DNS
1, forward lookup zone: mapping for Computer name to IP address. When a DNS client initiates a request to a DNS server to resolve the IP address of a computer name, the DNS
ConceptDefault dns lookup sequence for linux clients:
Local DNS Cache → local hosts file → preferred DNS server (recursive)
Linux DNS Server Query sequence:The DNS cache of the preferred server → the domain in which the preferred server is
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.