North American Network Operators Group|
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Re: ICANN registrar supporting v6 glue?
One note here is that even though you can get glue into com/net/org
Having AAAA glue in GTLD/ccTLD's will help resolvers that first query for AAAA glue before A glue for nameservers. If you don't have AAAA glue then it's going to be an extra RTT to look up the A record for your nameservers, which makes your webpages slower to load. And everyone wants their webpages to load faster.
The fact that the root name serers don't supply AAAA glue for GTLDs/ccTLDs is a minor annoyance, people should in general only go to the root name servers once a day per GTLD/ccTLD. There are 267 TLD's and you're unlikely to talk to them all in a given day, but almost every request your name server makes is going to start with a query to a GTLD or ccTLD server.