除非你的主机(jī )是(shì )独立IP的,否则最(zuì )好不要泛解析有危(wēi )害,如果(guǒ )因(yīn )为(wéi )这些二级域名(míng )而(ér )降(jiàng )低权(quán )重(chóng ),你的(de )网(wǎng )站也(yě )会(huì )受影响(xiǎng )设(shè )置robots并不能消除这些二级域名(míng )修改DNS是可行的 独(dú )立(lì )IP主(zhǔ )机可(kě )以设置泛(fàn )解析,否则最好别(bié )用(yòng )泛解析
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