check domain
check domain availability in one php file
http://github.com/leonardofaria/php-check-domain
1 <html> 2 <head> 3 <title>whois</title> 4 </head> 5 <body> 6 <form method="post"> 7 <label for="domain">Domain:</label> 8 <input type="text" id="domain" name="domain" /> 9 <input type="submit"/> 10 </form> 11 12 <?php 13 function get_server($domain){ 14 $whoisservers = array( 15 array("ac","whois.nic.ac"), 16 array("ac.cn","whois.cnnic.net.cn"), 17 array("ac.jp","whois.nic.ad.jp"), 18 array("ac.uk","whois.ja.net"), 19 array("ad.jp","whois.nic.ad.jp"), 20 array("adm.br","whois.nic.br"), 21 array("adv.br","whois.nic.br"), 22 array("aero","whois.information.aero"), 23 array("ag","whois.nic.ag"), 24 array("agr.br","whois.nic.br"), 25 array("ah.cn","whois.cnnic.net.cn"), 26 array("al","whois.ripe.net"), 27 array("am.br","whois.nic.br"), 28 array("arq.br","whois.nic.br"), 29 array("at","whois.nic.at"), 30 array("au","whois.aunic.net"), 31 array("art.br","whois.nic.br"), 32 array("as","whois.nic.as"), 33 array("asn.au","whois.aunic.net"), 34 array("ato.br","whois.nic.br"), 35 array("be","whois.geektools.com"), 36 array("bg","whois.digsys.bg"), 37 array("bio.br","whois.nic.br"), 38 array("biz","whois.biz"), 39 array("bj.cn","whois.cnnic.net.cn"), 40 array("bmd.br","whois.nic.br"), 41 array("br","whois.registro.br"), 42 array("ca","whois.cira.ca"), 43 array("cc","whois.nic.cc"), 44 array("cd","whois.cd"), 45 array("ch","whois.nic.ch"), 46 array("cim.br","whois.nic.br"), 47 array("ck","whois.ck-nic.org.ck"), 48 array("cl","whois.nic.cl"), 49 array("cn","whois.cnnic.net.cn"), 50 array("cng.br","whois.nic.br"), 51 array("cnt.br","whois.nic.br"), 52 array("com","whois.internic.net"), 53 array("com.au","whois.aunic.net"), 54 array("com.br","whois.nic.br"), 55 array("com.cn","whois.cnnic.net.cn"), 56 array("com.eg","whois.ripe.net"), 57 array("com.hk","whois.hknic.net.hk"), 58 array("com.mx","whois.nic.mx"), 59 array("com.ru","whois.ripn.ru"), 60 array("com.tw","whois.twnic.net"), 61 array("conf.au","whois.aunic.net"), 62 array("co.jp","whois.nic.ad.jp"), 63 array("co.uk","whois.nic.uk"), 64 array("cq.cn","whois.cnnic.net.cn"), 65 array("csiro.au","whois.aunic.net"), 66 array("cx","whois.nic.cx"), 67 array("cz","whois.nic.cz"), 68 array("de","whois.denic.de"), 69 array("dk","whois.dk-hostmaster.dk"), 70 array("ecn.br","whois.nic.br"), 71 array("ee","whois.eenet.ee"), 72 array("edu","whois.internic.net"), 73 array("edu.au","whois.aunic.net"), 74 array("edu.br","whois.nic.br"), 75 array("eg","whois.ripe.net"), 76 array("es","whois.ripe.net"), 77 array("esp.br","whois.nic.br"), 78 array("etc.br","whois.nic.br"), 79 array("eti.br","whois.nic.br"), 80 array("eun.eg","whois.ripe.net"), 81 array("emu.id.au","whois.aunic.net"), 82 array("eng.br","whois.nic.br"), 83 array("far.br","whois.nic.br"), 84 array("fi","whois.ripe.net"), 85 array("fj","whois.usp.ac.fj"), 86 array("fj.cn","whois.cnnic.net.cn"), 87 array("fm.br","whois.nic.br"), 88 array("fnd.br","whois.nic.br"), 89 array("fo","whois.ripe.net"), 90 array("fot.br","whois.nic.br"), 91 array("fst.br","whois.nic.br"), 92 array("fr","whois.nic.fr"), 93 array("g12.br","whois.nic.br"), 94 array("gd.cn","whois.cnnic.net.cn"), 95 array("ge","whois.ripe.net"), 96 array("ggf.br","whois.nic.br"), 97 array("gl","whois.ripe.net"), 98 array("gr","whois.ripe.net"), 99 array("gr.jp","whois.nic.ad.jp"), 100 array("gs","whois.adamsnames.tc"), 101 array("gov","whois.nic.gov"), 102 array("gs.cn","whois.cnnic.net.cn"), 103 array("gov.au","whois.aunic.net"), 104 array("gov.br","whois.nic.br"), 105 array("gov.cn","whois.cnnic.net.cn"), 106 array("gov.hk","whois.hknic.net.hk"), 107 array("gob.mx","whois.nic.mx"), 108 array("gs","whois.adamsnames.tc"), 109 array("gz.cn","whois.cnnic.net.cn"), 110 array("gx.cn","whois.cnnic.net.cn"), 111 array("he.cn","whois.cnnic.net.cn"), 112 array("ha.cn","whois.cnnic.net.cn"), 113 array("hb.cn","whois.cnnic.net.cn"), 114 array("hi.cn","whois.cnnic.net.cn"), 115 array("hl.cn","whois.cnnic.net.cn"), 116 array("hn.cn","whois.cnnic.net.cn"), 117 array("hm","whois.registry.hm"), 118 array("hk","whois.hknic.net.hk"), 119 array("hk.cn","whois.cnnic.net.cn"), 120 array("hu","whois.ripe.net"), 121 array("id.au","whois.aunic.net"), 122 array("ie","whois.domainregistry.ie"), 123 array("ind.br","whois.nic.br"), 124 array("imb.br","whois.nic.br"), 125 array("inf.br","whois.nic.br"), 126 array("info","whois.afilias.info"), 127 array("info.au","whois.aunic.net"), 128 array("it","whois.nic.it"), 129 array("idv.tw","whois.twnic.net"), 130 array("int","whois.iana.org"), 131 array("is","whois.isnic.is"), 132 array("il","whois.isoc.org.il"), 133 array("jl.cn","whois.cnnic.net.cn"), 134 array("jor.br","whois.nic.br"), 135 array("jp","whois.nic.ad.jp"), 136 array("js.cn","whois.cnnic.net.cn"), 137 array("jx.cn","whois.cnnic.net.cn"), 138 array("kr","whois.krnic.net"), 139 array("la","whois.nic.la"), 140 array("lel.br","whois.nic.br"), 141 array("li","whois.nic.ch"), 142 array("lk","whois.nic.lk"), 143 array("ln.cn","whois.cnnic.net.cn"), 144 array("lt","ns.litnet.lt"), 145 array("lu","whois.dns.lu"), 146 array("lv","whois.ripe.net"), 147 array("ltd.uk","whois.nic.uk"), 148 array("mat.br","whois.nic.br"), 149 array("mc","whois.ripe.net"), 150 array("med.br","whois.nic.br"), 151 array("mil","whois.nic.mil"), 152 array("mil.br","whois.nic.br"), 153 array("mn","whois.nic.mn"), 154 array("mo.cn","whois.cnnic.net.cn"), 155 array("ms","whois.adamsnames.tc"), 156 array("mus.br","whois.nic.br"), 157 array("mx","whois.nic.mx"), 158 array("name","whois.nic.name"), 159 array("ne.jp","whois.nic.ad.jp"), 160 array("net","whois.internic.net"), 161 array("net.au","whois.aunic.net"), 162 array("net.br","whois.nic.br"), 163 array("net.cn","whois.cnnic.net.cn"), 164 array("net.eg","whois.ripe.net"), 165 array("net.hk","whois.hknic.net.hk"), 166 array("net.lu","whois.dns.lu"), 167 array("net.mx","whois.nic.mx"), 168 array("net.uk","whois.nic.uk"), 169 array("net.ru","whois.ripn.ru"), 170 array("net.tw","whois.twnic.net"), 171 array("nl","whois.domain-registry.nl"), 172 array("nm.cn","whois.cnnic.net.cn"), 173 array("no","whois.norid.no"), 174 array("nom.br","whois.nic.br"), 175 array("not.br","whois.nic.br"), 176 array("ntr.br","whois.nic.br"), 177 array("nx.cn","whois.cnnic.net.cn"), 178 array("nz","whois.domainz.net.nz"), 179 array("plc.uk","whois.nic.uk"), 180 array("odo.br","whois.nic.br"), 181 array("oop.br","whois.nic.br"), 182 array("or.jp","whois.nic.ad.jp"), 183 array("org","whois.internic.net"), 184 array("org.au","whois.aunic.net"), 185 array("org.br","whois.nic.br"), 186 array("org.cn","whois.cnnic.net.cn"), 187 array("org.hk","whois.hknic.net.hk"), 188 array("org.lu","whois.dns.lu"), 189 array("org.ru","whois.ripn.ru"), 190 array("org.tw","whois.twnic.net"), 191 array("org.uk","whois.nic.uk"), 192 array("pl","nazgul.nask.waw.pl"), 193 array("pp.ru","whois.ripn.ru"), 194 array("ppg.br","whois.nic.br"), 195 array("pro.br","whois.nic.br"), 196 array("psi.br","whois.nic.br"), 197 array("psc.br","whois.nic.br"), 198 array("pt","whois.ripe.net"), 199 array("qh.cn","whois.cnnic.net.cn"), 200 array("qsl.br","whois.nic.br"), 201 array("rec.br","whois.nic.br"), 202 array("ro","whois.rotld.ro"), 203 array("ru","whois.ripn.ru"), 204 array("sc.cn","whois.cnnic.net.cn"), 205 array("sd.cn","whois.cnnic.net.cn"), 206 array("se","whois.nic-se.se"), 207 array("sg","whois.nic.net.sg"), 208 array("sh","whois.nic.sh"), 209 array("sh.cn","whois.cnnic.net.cn"), 210 array("si","whois.arnes.si"), 211 array("sk","whois.ripe.net"), 212 array("slg.br","whois.nic.br"), 213 array("sm","whois.ripe.net"), 214 array("sn.cn","whois.cnnic.net.cn"), 215 array("srv.br","whois.nic.br"), 216 array("st","whois.nic.st"), 217 array("sx.cn","whois.cnnic.net.cn"), 218 array("tc","whois.adamsnames.tc"), 219 array("th","whois.nic.uk"), 220 array("tj.cn","whois.cnnic.net.cn"), 221 array("tmp.br","whois.nic.br"), 222 array("to","whois.tonic.to"), 223 array("tr","whois.ripe.net"), 224 array("trd.br","whois.nic.br"), 225 array("tur.br","whois.nic.br"), 226 array("tv","whois.tv"), 227 array("tv.br","whois.nic.br"), 228 array("tw","whois.twnic.net"), 229 array("tw.cn","whois.cnnic.net.cn"), 230 array("uk","whois.thnic.net"), 231 array("va","whois.ripe.net"), 232 array("vet.br","whois.nic.br"), 233 array("vg","whois.adamsnames.tc"), 234 array("wattle.id.au","whois.aunic.net"), 235 array("ws","whois.worldsite.ws"), 236 array("xj.cn","whois.cnnic.net.cn"), 237 array("xz.cn","whois.cnnic.net.cn"), 238 array("yn.cn","whois.cnnic.net.cn"), 239 array("zlg.br","whois.nic.br"), 240 array("zj.cn","whois.cnnic.net.cn"), 241 array("nu","whois.nic.nu")); 242 243 for ($x=0;$x<count($whoisservers);$x++){ 244 $artld = $whoisservers[$x][0]; 245 $tldlen = intval(0 - strlen($artld)); 246 if (substr($domain, $tldlen) == $artld) { $whosrv = $whoisservers[$x][1]; } 247 } 248 return $whosrv; 249 } 250 251 function get_content($dom){ 252 $lusrv = get_server($dom); 253 if (!$lusrv) return ""; 254 255 $fp = fsockopen($lusrv,43); 256 fputs($fp, "$dom\r\n"); 257 $string=""; 258 while(!feof($fp)){ 259 $string.= fgets($fp,128); 260 } 261 fclose($fp); 262 return $string; 263 } 264 265 function show_whois($dom){ 266 $string = get_content($dom); 267 268 $reg = "/Whois Server: (.*?)\n/i"; 269 preg_match_all($reg, $string, $matches); 270 $secondtry = $matches[1][0]; 271 272 if ($secondtry){ 273 $fp = fsockopen($secondtry,43); 274 fputs($fp, "$dom\r\n"); 275 $string=""; 276 while(!feof($fp)){ 277 $string.=fgets($fp,128); 278 } 279 fclose($fp); 280 } 281 return $string; 282 } 283 284 function check_availability($dom){ 285 $string = get_content($dom); 286 287 if (strpos($string, "No match for") > 0) { 288 return true; 289 } else { 290 return false; 291 } 292 } 293 294 if (isset($_POST['domain'])){ 295 if (check_availability($_POST['domain']) == true) { 296 echo $_POST['domain'] . " avaliable!"; 297 } else { 298 echo $_POST['domain'] . " not avaliable!"; 299 } 300 echo "<pre>".show_whois($_POST['domain'])."</pre>"; 301 } 302 ?> 303 </body> 304 </html>