dns aaaa

:/var/named/chroot/var/named/record filenameBuild the mainDNSServerRequirements: XX company exists a Web server, The site name is www.bj.com, and the IP address of the Web server is 192.168.1.1; There is an FTP server with an FTP name of ftp.bj.com,ftp server with IP 192.168.1.2; You now want all employees to access the site server and FTP server by domain name1. Install bind software# RPM-IVH bind-9.8.2-0.10.rc1.el6.i686.rpm# RPM-IVH bind-chroot-9.8.2-0.10.rc1.el6.i686.rpm2. Generate named.conf

record has a priority attribute (0-99 ); A: FQDN --> IP address, dedicated to forward resolution Library PTR: IP --> FQDN, used for reverse resolution Library Aaaa: FQDN --> IPv6, dedicated to forward resolution Library Cname: official name Resource Record type: SOA: Name region name, which can be abbreviated as @ value: FQDN of the primary DNS server, or the region name of the current region; Format @ In

DNS configuration in Fedora8-general Linux technology-Linux technology and application information. For details, refer to the following section. In order to differentiate each host in the network, a unique address must be assigned to each host. This address is called an "ip address ". However, these numbers are hard to remember, so they are replaced by domain names. When a host needs to communicate with other hosts, you can use the host name to query

resolves the library, it proactively notifies the slave serverZone transferZone transfer:Full transfer: Transfer the entire analytic libraryIncremental transfer: Pass the part of the resolution library changeDomain:fully qualified Domain name forward: FQDN-to-IPReverse: IP-to-FQDNResponsible for the forward and reverse parsing libraries for the local domain name:Forward ZoneReverse RegionDNS resolutionThe process through which a complete query request passes:Client-->hosts file-->

) RRT (Resource record type) VALUE Starting Authority The default setting is 60 Minutes Internet (in) SOA (start of authority sets the master-server synchronization, in fact the authorized object) Owner name, DNS name of the server, serial number, refresh interval, retry time, Expiration time, minimum TTL Host Name Log a specific TTL time (if present), otherwise the region TTL Internet (in)

, which is generally in, representing the internet.● Type: resource type, which is common as follows:Between In A → IPv4 address: used to set the corresponding record of the IP address of the Host NameRouting in AAAA → IPv6 addressMailbox in MX → mail record: used to provide the mail server nameAlias in cname → alias: Used to set an alias for the host name in the region FileForward in PTR → pointer (reverse resolution): syntax (IP address in PTR host

resolution:Name-->ip forward parsingIp--name Reverse parsing4, a complete domain name query request through the process:Local Client---> View local Hosts file--local cache--Primary DNS server--Primary DNS cache--Caching DNS servers--querying domain names by iterationIii. Description of the configuration file1. Resource record: Resource RECORD,RR each domain cont

library has and can have only one SOA record, and must be placed in the first article;Ns:name service, domain name services record; A zone resolution library can have multiple NS records; One of them is the main;A:address, address record, FQDN---IPv4;AAAA: Address record, FQDN---IPv6;Cname:canonical name, alias record;Ptr:pointer,ip to FQDNMx:mail eXchanger, mail exchanger;Priority: 0-99, the smaller the number, the higher the priority;Definition for

BKJIA exclusive Article] Editor's note: On the public network, intelligent DNS is used on most second-level domain names and some non-public network domain names. It has been operating quite stably for more than a year. Xiaohui summarized the operation steps and some experiences in deploying and using intelligent DNS over the past year and shared them with you. Last year, due to the large increase in second

. News in a 192.168.2.101 153. China in a 192.168.2.58 154. Echo "nameserver 211.71.191.26">/etc/resolv. conf // configure the local machine DNS server as the local machine IP Address 155. Start named 156./usr/local/named/sbin/named 157. Check for any error message 158. Tail/var/log/message 159. Jun 25 14:28:48 localhost named [18506]: zone created 192.in-ADDR. Arpa/In: loaded serial 20031001 160. Jun 25 14:28:48 localhost named [18506

DNS ServerIt is a domain name system or Domain Name Service. The domain name system assigns domain name addresses and IP addresses to hosts on the Internet. DNS software is a target that hackers are keen on and may cause security problems. This article provides 10 most effective methods to protect DNS servers. 1. Use a DNS