On 6/11/2013 7:12 PM, Gary Wallis wrote:
What really happens in the real world when 1 out of three
authoritative NSs are down for 30 minutes due to a datacenter outage?
For example, we have 3 NSs:
ns1.someisp.net 12.23.34.45
ns2.someisp.net 23.34.45.56
ns3.someisp.net 34.45.56.67
All in different datacenters.
All are authoritative for a given zone.
All have the same zone data and SOA serial number for the zone.
Do the NS records (and corresponding A records) in the zone data match
the records that are stated above?
Do the NS (and any corresponding glue) records that have been added to
the TLD/root servers match the records as well?
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