mgg.tongji.edu.cn. 30 IN A 202.120.188.98 mgg.tongji.edu.cn. 30 IN A 222.66.109.32 mgg.tongji.edu.cn. 30 IN AAAA 2001:da8:b8:67:192:168:67:3 mgg.tongji.edu.cn. 30 IN AAAA 2001:da8:b8:66:192:168:66:4