dnsop-6----Page:7
1 2 3 4 5 6 7 8 9
|
How frequently infrastructure RRs change randomly selected 100,000 zones out of 15 million queried each of the 100,000 zones twice a day to obtain its infrastructure Rrset over a 4-month period 75% of the zones made no change to their NS or corresponding A RRSets during the 4 months 11% of the zones showed changes to their NS RRset 5% of the zones changed in less than 2 months. 22% of the zones had their servers' A records changed within 4 months 10% of the changes occurred in less than 2 months. |