[dns-operations] sibling glue

[Tony Finch]

This thread from last year has a good discussion of these issues:

http://thread.gmane.org/gmane.network.dns.operations/3623

Tony.
-- 
f.anthony.n.finch  <dot at dotat.at>  http://dotat.at/
Fair Isle: Variable 4 at first in north, otherwise southeasterly 5 or 6.
Slight or moderate. Occasional rain and fog patches in south. Moderate or
good, occasionally very poor in south.