====Suggested Hint File====

We have suggested using the standard output from the command;

%%dig . NS @ns0.opennic.glue%%

This then makes way for a simply cron job task to update the file on a monthly to quarterly basis.
%%
; <<>> DiG 9.7.0-P1 <<>> . NS @ns0.opennic.glue
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 35115
;; flags: qr aa rd; QUERY: 1, ANSWER: 5, AUTHORITY: 0, ADDITIONAL: 8
;; WARNING: recursion requested but not available

;; QUESTION SECTION:
;. IN NS

;; ANSWER SECTION:
. 172800 IN NS ns7.opennic.glue.
. 172800 IN NS ns5.opennic.glue.
. 172800 IN NS ns6.opennic.glue.
. 172800 IN NS ns21.opennic.glue.
. 172800 IN NS ns2.opennic.glue.

;; ADDITIONAL SECTION:
ns2.opennic.glue. 14400 IN A 216.87.84.214
ns2.opennic.glue. 14400 IN AAAA 2001:470:8388:10::2
ns5.opennic.glue. 14400 IN A 128.177.28.254
ns6.opennic.glue. 14400 IN A 207.192.71.13
ns6.opennic.glue. 14400 IN AAAA 2002:cfc0:470d::1
ns7.opennic.glue. 14400 IN A 66.244.95.11
ns7.opennic.glue. 14400 IN AAAA 2001:470:1f10:c6::11
ns21.opennic.glue. 14400 IN A 202.83.95.229

;; Query time: 118 msec
;; SERVER: 2001:470:1f0e:8a0::2#53(2001:470:1f0e:8a0::2)
;; WHEN: Tue Mar 8 10:53:30 2011
;; MSG SIZE rcvd: 279
%%