check to see if domain is available

Because Linux installs a lot of software, there is no common way to find out if some software is installed. This is a summary of the following categories:1, RPM package installed, you can see with RPM-QA, if you want to find a package is installed, with Rpm-qa | grep "The na

and run 2. User input data 3. Triggering Page_Load events 4. Change Web control properties to indicate where there is no input 5. Re-export the page to the user in HTML 6. Remind users to enter again Page_Load process The Page object contains some important properties and methods related to server-side validation. The following table lists all the collect and methed for the Page_Load property. Page_Load Method Name Description IsValid (most frequentl

When registering a new domain name, you need to check whether it has been crossed by K, especially Google or Baidu K, even a face change may not be effectively indexed by search engines for a long time. The method is as follows: 1. Use the site:/link: two search commands to view the domain name's indexing status. If

A small task, to a containing thousands of domain name of Excel, to detect whether it has been registered, register to obtain a registered company, and to obtain the corresponding website can open normally, and finally to excel file rendering.1. At first, the thought is to read the domain name, through the HTTP call xinnet or the WHOIS query interface query Netwo

? PHPif ($ domain) {if ($ domain) {firstgetthedomainserverfrominternic $ fpfsockopen (rs.internic.net, 43, $ errno, $ errstr, 10); if (! $ Fp) {echo $ errstr ($ errno) n;} else {fputs ($ fp, $ domainrn); while (! Feof ($ fp) {$ buffgets ($ fp If ($ domain) { If ($ domain) { // First get the

? PHPif ($ domain) {if ($ domain) {// firstgetthedomainserverfrominternic $ fpfsockopen (rs.internic.net, 43, $ errno, $ errstr, 10); if (! $ Fp) {echo $ errstr ($ errno) n;} else {fputs ($ f If ($ domain) { If ($ domain) { // First get the domain server from internic

A friend:For example, if your mail server's fixed IP address is 218.5.x.x, you can use NSLookup to check whether reverse resolution is successful. C: \ Documents ents and Settings \ Administrator> NSLookup 218.5.xxx.xxxServer: FJ-DNS.fz.fj.cnAddress: 218.85.157.99 Name:Xxxxx.comAddress: 218.5.x.x If no reverse direction is