[dns-operations] Cleaning up glue with dynamic DNS updates

[Anand Buddhdev]

On 18/03/2017 21:14, Mark Andrews wrote:

Hi Mark,

Thank you for your reply, but I'm still not clear about one thing:

> Just delete the entire RRset then add in what you want it to be.
> 
> update del b.ns.sub.example.com. A
> update add b.ns.sub.example.com. 3600 A 1.2.3.4
> update add b.ns.sub.example.com. 3600 A 1.2.3.5

This assumes that I know what the glue records are. If I don't know
which glue records exist, is there any way encoding into an update
something like "delete all A and AAAA records, regardless of the number
of labels, below this name" ?

Anand