polcet.edu.vn.		30 IN SOA ns1.dotvndns.vn. hostmaster.polcet.edu.vn. (
				2024050405 ; serial
				14400      ; refresh (4 hours)
				3600       ; retry (1 hour)
				1209600    ; expire (2 weeks)
				86400      ; minimum (1 day)
				)

polcet.edu.vn.		30 IN TXT "MS=ms58536977"
polcet.edu.vn.		30 IN TXT "v=spf1 include:_spf.google.com ~all"

polcet.edu.vn.		30 IN A	103.221.221.15

Mail exchangers:
polcet.edu.vn.		30 IN MX 5 alt1.aspmx.l.google.com.
polcet.edu.vn.		30 IN MX 5 alt2.aspmx.l.google.com.
polcet.edu.vn.		30 IN MX 1 aspmx.l.google.com.
polcet.edu.vn.		30 IN MX 10 alt3.aspmx.l.google.com.
polcet.edu.vn.		30 IN MX 10 alt4.aspmx.l.google.com.

Name servers:
polcet.edu.vn.		30 IN NS ns1.dotvndns.vn.
polcet.edu.vn.		30 IN NS ns2.dotvndns.vn.
polcet.edu.vn.		30 IN NS nsbak.dotvndns.com.