除(chú )非(fēi )你(nǐ )的主机是独立(lì )IP的,否则(zé )最好不要泛解析有危害,如(rú )果(guǒ )因为这些(xiē )二(èr )级域(yù )名(míng )而降低(dī )权重(chóng ),你(nǐ )的网站也会受(shòu )影(yǐng )响(xiǎng )设置robots并不能消除这些(xiē )二级域(yù )名(míng )修改DNS是(shì )可(kě )行的 独(dú )立IP主机可(kě )以设置(zhì )泛(fàn )解(jiě )析,否则最好别用泛(fàn )解(jiě )析
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