February
2003
slideset 1 -27
Resource Record: SOA
Timing parameter
Master server
Contact address
Version number
net. 3600 IN SOA A.GTLD-SERVERS.net. nstld.verisign-grs.com. (
2002021301;
serial30M;
refresh15M;
retry1W;
expiry1D );
neg. answ. ttl