除非你(nǐ )的主机(jī )是(shì )独立IP的,否则最好不要泛解析有(yǒu )危害(hài ),如果因(yīn )为这些(xiē )二级域名(míng )而(ér )降(jiàng )低权(quán )重,你(nǐ )的(de )网(wǎng )站(zhàn )也(yě )会受影响设(shè )置robots并不能消(xiāo )除这些(xiē )二级(jí )域名修改DNS是可(kě )行的 独立(lì )IP主机可以(yǐ )设置(zhì )泛(fàn )解析,否则(zé )最好别用(yòng )泛解析(xī )
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