dns entry in linux

DNS ServiceDNS: Domain Nsme ServiceRole: Resolving the domain name to IP (forward parsing) or resolving IP to a domain name (reverse parsing)Classification of DNS top-level domains:Organization domain:. com. net. org .....Country domain:. CN. tw. JP

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

I.  dns theory: DNS: Domain Name Service (domain  nsme  service) role: Resolving Domain names to IP (forward parsing) or resolve IP to domain name (reverse resolution) The classification of DNS top-level domains: Organization domain:.

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

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

Although Linux has not made noticeable progress in the world of desktop computing, it is already a small celebrity as a Web server. Thanks to its excellent reliability, we can safely run all the important service programs that are necessary for

Linux 24th Day: (September 22) Linux DNSChapter ContentName resolutionDNS ServiceImplementing a master-slave serverImplementing subdomainsImplement viewCompiling the installationPressure testDNS Error troubleshootingDNS ServiceDns:domain Name

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

DNS (Domain Name System): Provides a mapping of domain-to-IP addresses on the InternetDomain name: Also known as hostname, FQDN (full qualified domain name fully qualified domainname)Basic information:The bind service is typically used in Linux to