除(chú )非你的主机(jī )是(shì )独立(lì )IP的,否则(zé )最好(hǎo )不要(yào )泛解(jiě )析有危(wēi )害,如(rú )果(guǒ )因为这(zhè )些二级(jí )域名而(ér )降低(dī )权重,你(nǐ )的网(wǎng )站也(yě )会(huì )受影响设置robots并不能消除这些二级(jí )域名修改DNS是可行(háng )的 独立IP主(zhǔ )机可以设置泛解(jiě )析,否(fǒu )则最(zuì )好别用泛(fàn )解析
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