Elementary :-) -- Takið eftir serial númerum. Á master: ; <<>> DiG 2.2 <<>> @193.4.194.10 isnet.is soa ; (1 server found) ;; res options: init recurs defnam dnsrch ;; got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 10 ;; flags: qr aa rd ra; Ques: 1, Ans: 1, Auth: 2, Addit: 2 ;; QUESTIONS: ;; isnet.is, type = SOA, class = IN ;; ANSWERS: isnet.is. 86400 SOA sprettur.isnet.is. hostmaster.isnet.is. ( 2002012300 ; serial 28800 ; refresh (8 hours) 7200 ; retry (2 hours) 604800 ; expire (7 days) 1800 ) ; minimum (30 mins) Á slave: ; <<>> DiG 2.2 <<>> @193.4.58.52 isnet.is soa ; (1 server found) ;; res options: init recurs defnam dnsrch ;; got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 10 ;; flags: qr aa rd ra; Ques: 1, Ans: 1, Auth: 2, Addit: 2 ;; QUESTIONS: ;; isnet.is, type = SOA, class = IN ;; ANSWERS: isnet.is. 86400 SOA sprettur.isnet.is. hostmaster.isnet.is. ( 2002012300 ; serial 28800 ; refresh (8 hours) 7200 ; retry (2 hours) 604800 ; expire (7 days) 1800 ) ; minimum (30 mins)