forum.ubuntu.org.cn.	30 IN A	104.21.59.99
forum.ubuntu.org.cn.	30 IN A	172.67.174.194
forum.ubuntu.org.cn.	30 IN AAAA 2606:4700:3032::6815:3b63
forum.ubuntu.org.cn.	30 IN AAAA 2606:4700:3035::ac43:aec2