1$ORIGIN rrsig-failures.test. 2 3@ SOA ns hostmaster ( 4 1 ; serial 5 14400 ; refresh (4 hours) 6 1800 ; retry (30 minutes) 7 2419200 ; expire (4 weeks) 8 300 ; minimum (5 minutes) 9) 10 A 192.0.2.1 11