====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
%%