除非你的主机是(shì )独(dú )立(lì )IP的,否(fǒu )则最好不要泛解(jiě )析有(yǒu )危害(hài ),如(rú )果因为这些二级域名而降低(dī )权(quán )重,你的网站(zhàn )也会(huì )受影(yǐng )响设置robots并不能消(xiāo )除这(zhè )些(xiē )二(èr )级域(yù )名修改DNS是(shì )可行的 独立(lì )IP主(zhǔ )机(jī )可(kě )以(yǐ )设置泛解析,否(fǒu )则(zé )最好别用(yòng )泛解析
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