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zzu.edu.cn. 30 IN SOA dns.zzu.edu.cn. zzj.zzu.edu.cn. ( 2020073553 ; serial 1080 ; refresh (18 minutes) 1800 ; retry (30 minutes) 28800 ; expire (8 hours) 36000 ; minimum (10 hours) ) zzu.edu.cn. 30 IN TXT "v=spf1 ip4:202.196.64.0/24 include:spf.icoremail.net -all" Mail exchangers: zzu.edu.cn. 30 IN MX 10 mx.zzu.edu.cn. Name servers: zzu.edu.cn. 30 IN NS dns.zzu.edu.cn. zzu.edu.cn. 30 IN NS dnsv6.zzu.edu.cn. zzu.edu.cn. 30 IN NS dnsv62.zzu.edu.cn. zzu.edu.cn. 30 IN NS dns2.zzu.edu.cn. |