除非你的主机是独立IP的(de ),否则最好不(bú )要(yào )泛解(jiě )析有危害,如(rú )果因(yīn )为(wéi )这些(xiē )二级域(yù )名(míng )而降低权重(chóng ),你的网站也会(huì )受(shòu )影(yǐng )响(xiǎng )设置(zhì )robots并(bìng )不能消除这些(xiē )二级域(yù )名修改DNS是(shì )可(kě )行的 独(dú )立IP主机可以(yǐ )设置(zhì )泛解析(xī ),否(fǒu )则最(zuì )好(hǎo )别用(yòng )泛解析
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