除非(fēi )你(nǐ )的主机是(shì )独(dú )立IP的,否(fǒu )则最好(hǎo )不要泛(fàn )解(jiě )析有危害(hài ),如(rú )果(guǒ )因为(wéi )这(zhè )些二级域名而降低权(quán )重,你的网站(zhàn )也(yě )会(huì )受(shòu )影响设置robots并不能消除这(zhè )些二级域名修(xiū )改DNS是(shì )可(kě )行(háng )的 独立(lì )IP主机可以(yǐ )设置泛(fàn )解析,否则最好(hǎo )别用(yòng )泛解析
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