tjnu.edu.cn.		30 IN SOA dns.tjnu.edu.cn. dns.tjnu.edu.cn. (
				2020062933 ; serial
				300        ; refresh (5 minutes)
				100        ; retry (1 minute 40 seconds)
				600        ; expire (10 minutes)
				600        ; minimum (10 minutes)
				)

tjnu.edu.cn.		30 IN TXT "v=spf1 include:spf.163.com -all"
tjnu.edu.cn.		30 IN TXT "_c659bnbiximu5h5zwy0dudik0rbu5jh"

tjnu.edu.cn.		30 IN A	60.30.105.32

Mail exchangers:
tjnu.edu.cn.		30 IN MX 10 hzmx02.mxmail.netease.com.
tjnu.edu.cn.		30 IN MX 5 hzmx01.mxmail.netease.com.

Name servers:
tjnu.edu.cn.		30 IN NS dns1.tjnu.edu.cn.
tjnu.edu.cn.		30 IN NS center.tjnu.edu.cn.
tjnu.edu.cn.		30 IN NS dns2.tjnu.edu.cn.
tjnu.edu.cn.		30 IN NS dns.tjnu.edu.cn.