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whether the browser performs pre-Resolution on the domain name, you can use the x-dns-prefetch-control attribute of the Http header. Unfortunately, only google chrome and firefox3.5 tags are supported currently. In general, the reason for this delay is not the bandwidth or load of the website of the other party. So what caused this situation. Blue blue tries to speculate, assuming it is a DNS problem, bec
I. Overview: When listening to the course of yeslab QIN Ke's SecV3 SNF (ASA), the windows host will send a DNS request to the primary DNS and the standby DNS at the same time, so the building environment is ready for verification. Ii. Basic test ideas and conclusions: A. Basic Ideas: ① Configure primary
When we install a broadband network, the ISP (Internet Service Provider) usually provides several DNS server addresses and then sets them in the Internet TCP/IP protocol settings window. At present, I believe everyone has encountered network problems caused by DNS. For example, the speed of webpage opening is too slow, some websites cannot be accessed, or the pag
Recently, my colleague reported that during the NSLookup test on the Intranet, I found that when I used the Intranet DNS server 192.168.1.1 for resolution, the DNS server responded very quickly and did not Any errors. However, when the DMZ server 51.144.198.99 is used for testing, the system always prompts that the request times out and returns the correct resolu
Some people do not know how to test their network speed, or do not pay close attention to their network speed at ordinary times, which may be deceived by network providers. In order to protect their own interests from infringement, you should know how to test the network speed
In the Web experience, we often encounter this situation, that is, in the call Baidu Alliance, Google Alliance and the current page is located outside the domain name of the domain file will encounter the request delay very serious situation. So is there a way to solve this kind of request serious delay phenomenon?In general, the reason for this delay is not the other site bandwidth or load reasons, then what is the cause of this situation. The assumption is that
In August December, Google launched a new network service Google public DNS, allowing users to use Google servers for free to resolve network domain names, primarily to speed up browsing. However, for most common Internet users, DNS is completely unknown, not to mention how fast the server can be configured or tested. Now, Google has released a
The speed of surfing the Internet, and DNS server domain name resolution ability is closely related, I hope the internet surfing smooth sailing, we must find ways to ensure that the DNS server efficient and stable operation. To do this, we only have the workaround, dig deeper, and be good at using some of the details of the D
How can I test the disk write speed ?, Test disk speedHow can I test the disk write speed? 1. Problem Source: an emergency connection problem occurs in a business trip project: test the disk write
Here requirements in the Thunderbolt 7 or higher to support the speed test function Oh, otherwise please upgrade your Thunder tools. 1, we open the Thunder after clicking on the main page above the 2, and then we'll see a tab with the typeface of a gadget to click on it as shown 4, then we find the middle of the option, write the Speed
Fast always let people surf the internet mood pleasant, and affect the speed of a lot of aspects, in addition to Computer configuration, system, network cards and the relationship between the bandwidth, in fact, with DNS, DNS is responsible for the domain name into the IP of a service, any URL request will be first through the
Give your cool dog software users A detailed explanation of how to share the cool dog test Radio speed tutorial. Tutorial Sharing: 1) Click the speed button below the surface. 2 Right click on the radio, and then click on the Right menu "Test Radio Speed" butto
The author's environment is a small local area network of 30 machines, which uses Windows Server and workstations for Windows Pro and Windows XP. The company is using ADSL broadband, and in the sharing mode of choice for the current popular broadband routing. In the setup, the workstation is set up, that is, the gateway address is the IP address of the router, DNS is set up in the local telecommunications DNS
A small local area network composed of thirty machines. The Server uses Windows 2000 Server, and the workstation is Windows 2000 and Windows XP. The company uses ADSL Broadband, and the current popular broadband routing method is used for sharing. In the settings, the workstation is set in this way, that is, the gateway address is set to the IP address of the router, and the DNS is set to the DNS address o
Many users want a credible proof of whether the speed of the Win7 system is affected by the DNS server. Many times when users have DNS servers, they are concerned that DNS servers can have a detrimental effect on the speed of windows7 system surfing. When the user opens a lo
In Linux, cache DNS resolution is used to speed up the response to the Internet-Linux Enterprise Application-Linux server application information. The following is a detailed description. When you use Firefox to browse a webpage, you will always see a prompt in the lower left corner at the beginning: "Parsing host xxx ..." It seems that the DNS server is waitin
These days I have been very careful and found that when I browsed the web page using Firefox, I always saw a prompt in the lower left corner at the beginning: "Parsing host xxx ..." It seems that it is waiting for the DNS server to resolve the domain name. It is idle, so I decided to make a DNS Cache to speed up the Internet! I found a software that meets the r
Some time ago, I changed the server to using ipfilter + ipnat + dhcp -- ipfilter + ipnat packet filtering, forwarding, and DHCP server architecture notes under freebsd5.4. However, I recently felt that the server is always offline, I opened another dns Cache service on the server, hoping to alleviate the current situation through caching. First, we will introduce how to create a high-speed
Why in the same Wi-Fi network, other people's mobile phone can open the page, but his mobile phone is always slow a half-beat or often can't open, almost turtle speed. Sometimes the page fails to load. I think most people have met.Today I give you a way to speed up the speed of opening the page Oh! Experience it for yourself. effective.Take Huawei Glory 7i mobile
First describes how to establish a high-speed DNS cache server on FreeBSD, citing the words in the Freebs D Chinese Manual: A cached domain name server is a domain name server that does not provide authoritative resolution for any domain. It simply completes the query itself and remembers the queries for subsequent use. To set up such a server, simply configure a domain name server as usual, without config
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