optimum dns servers

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

, AX has a solution, that is, the DNS application service firewall. AX has three powerful methods in this issue, which can effectively mitigate the impact of these attacks,1. First, Filter non-DNS protocol packets Malformed Query Filter)2. Then, Cache the information queried through the DNS server)3. If a large number of normal queries are encountered, AX can sta

The premise for the commercial use of IPv6 is that IPv4 addresses are exhausted. For this reason, we urgently need the IPv6 protocol to improve this situation. So how does IPv6 distribute DNS servers? Next we will analyze the principles in depth. Hope to help you. What is the architecture of the IPv6 Domain Name System? The DNS in the IPv6 network is consistent w

address. It is impossible to put all Domain Name Information in the Internet on the same computer. Therefore, the DNS system uses a tree structure to store domain name information of different levels on different domain name servers, the top layer is the root domain server. To resolve a domain name www.fyssz.net, the client must first contact the local domain name server. If the domain name information can

The Chinese DNS Name is Domain Name Server (Domain Name Server ). Before you describe DNS, let's briefly introduce the domain name. Generally, each computer connected to the Internet has a unique IP address, so that it can communicate with each other. The IP address is composed of 32-bit binary numbers. It has no association meaning and is inconvenient for users to remember and understand. However, computer

If users use Windows SQL Server as the operating system of a computer, they can configure the computer as a Web server, an IIS server, an FTP server, a DNS server, A variety of servers, such as a DHCP server and a WINS server, to provide a service to clients in a network. Of the most important and basic three services provided by Windows Server servers is the dom

server about which DNS servers are responsible for each top domain, so he will respond to the nearest name server as the DNS servo host that controls the CN domain. In step 5, the root name server has told the local DNS server which is in charge of the domain. cn, and then the local

following command on the 73 machine to create and start the container:Docker run--name='bind':/udp-ewebmin_enabled=false-v/opt/scs/ Openxxs/bind:/data Sameersbn/bind:latestWhere--name is named Bind;-p Open 53:53/UDP port for other hosts to access the DNS server; the Sameersbn/bind mirror itself installs a Webmin service that provides a browser interface for user-configurable domain name entries. This article uses the configuration file to modify the

IP 92. XX. xx.148.20.50> XX. XX.53: 23600 + [1au] ANY? Isc.org. (36) 07:39:53. 291822 IP 158. XX. XX.238.13616> XX. XX.53: 56854 + [1au] ANY? Isc.org. (36) 07:39:53. 291850 IP 158. XX. XX.238.13616> XX. XX.53: 56854 + [1au] ANY? Isc.org. (36) 07:39:53. 291860 IP 158. XX. XX.238.13616> XX. XX.53: 56854 + [1au] ANY? Isc.org. (36) 07:39:53. 291869 IP 158. XX. XX.238.13616> XX. XX.53: 56854 + [1au] ANY? Isc.org. (36) 07:39:53. 291877 IP 92. XX. XX.148.56278> XX. XX.53: 23600 + [1au] ANY? Isc.org. (

--> Master/Slave DNS Server: Master DNS: the Administrator manually updates the database; Secondary DNS server (SlaveDNS): Database updates are completed from the primary server or other secondary DNS servers; I. Common DNS comma

/named.rfc1913.zonesZone "zpy.com" in {type Master;File "Zpy.com.inter"; # #更改地址为zpy. Com.inter(3) [Email protected] named]# vim/etc/named.conf/*zone "." IN{typehint; file "named.ca";}; include "/etc/named.rfc1912.zones";include "/etc/named.root.key"; # #注释掉之前只访问/etc/ Named.rfc1912.zones's Code */viewloacluser{ # #此处名字任意 match-clients {172.25.254.19;};# #仅允许172.25.254.19 Visit zone "." IN{ typehint; file "named.ca";}; include "/ETC/NAMED.RFc1912.zones "; # #下一步操作为访问此文件};viewotheruser {match-cli