Allowing an outside NS to host the PTR records for 1/4th of a class C?

[Len Conrad]

You need delegated to servers the servers you list a NS zone data:

# dig -x 209.197.234.5

; <<>> DiG 8.3 <<>> -x
;; res options: init recurs defnam dnsrch
;; got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 4
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 2
;; QUERY SECTION:
;;      5.234.197.209.in-addr.arpa, type = ANY, class = IN

;; ANSWER SECTION:
5.234.197.209.in-addr.arpa.  1H IN PTR  ns.nghosting.net.

;; AUTHORITY SECTION:
234.197.209.in-addr.arpa.  1H IN NS  n1.vosn.net.
234.197.209.in-addr.arpa.  1H IN NS  n2.vosn.net.

;; ADDITIONAL SECTION:
n1.vosn.net.            4H IN A         157.238.46.81
n2.vosn.net.            4H IN A         157.238.46.82


And your NS is not answering for that ip, it's giving a referral to the 
arpa parents:

# dig @dns4.ee.net -x 209.197.234.5

; <<>> DiG 8.3 <<>> @dns4.ee.net -x
; (1 server found)
;; res options: init recurs defnam dnsrch
;; got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 6
;; flags: qr rd; QUERY: 1, ANSWER: 0, AUTHORITY: 10, ADDITIONAL: 10
;; QUERY SECTION:
;;      5.234.197.209.in-addr.arpa, type = ANY, class = IN

;; AUTHORITY SECTION:
209.in-addr.arpa.       21h11m27s IN NS  ARROWROOT.ARIN.NET.
209.in-addr.arpa.       21h11m27s IN NS  BUCHU.ARIN.NET.
209.in-addr.arpa.       21h11m27s IN NS  CHIA.ARIN.NET.
209.in-addr.arpa.       21h11m27s IN NS  DILL.ARIN.NET.
209.in-addr.arpa.       21h11m27s IN NS  EPAZOTE.ARIN.NET.
209.in-addr.arpa.       21h11m27s IN NS  FIGWORT.ARIN.NET.
209.in-addr.arpa.       21h11m27s IN NS  GINSENG.ARIN.NET.
209.in-addr.arpa.       21h11m27s IN NS  HENNA.ARIN.NET.
209.in-addr.arpa.       21h11m27s IN NS  INDIGO.ARIN.NET.
209.in-addr.arpa.       21h11m27s IN NS  JERK.ARIN.NET.

;; ADDITIONAL SECTION:
ARROWROOT.ARIN.NET.     1d21h11m27s IN A  198.133.199.110
BUCHU.ARIN.NET.         1d21h11m27s IN A  192.100.59.110
CHIA.ARIN.NET.          11m28s IN A     192.5.6.32
DILL.ARIN.NET.          11m28s IN A     192.35.51.32
EPAZOTE.ARIN.NET.       11m28s IN A     192.41.162.32
FIGWORT.ARIN.NET.       11m28s IN A     192.42.93.32
GINSENG.ARIN.NET.       11m28s IN A     192.33.14.32
HENNA.ARIN.NET.         11m28s IN A     192.26.92.32
INDIGO.ARIN.NET.        11m28s IN A     192.31.80.32
JERK.ARIN.NET.          11m28s IN A     192.12.94.32

;; Total query time: 115 msec
;; FROM: gw1.meiway.com to SERVER: dns4.ee.net  206.222.1.4
;; WHEN: Mon May 13 19:37:51 2002
;; MSG SIZE  sent: 44  rcvd: 420

Len