[dns-operations] CNAME as NS-RRdata

[Lutz Donnerhacke]

; <<>> DiG 9.4.1 <<>> -x 194.29.32.197 @NS-EXT.ISC.ORG.
;; QUESTION SECTION:
;197.32.29.194.in-addr.arpa.	IN	PTR
;; AUTHORITY SECTION:
32.29.194.in-addr.arpa.	172800	IN	NS	ns1.checkpoint.com.
32.29.194.in-addr.arpa.	172800	IN	NS	ns4.checkpoint.com.

; <<>> DiG 9.4.1 <<>> ns1.checkpoint.com
;; QUESTION SECTION:
;ns1.checkpoint.com.		IN	A
;; ANSWER SECTION:
ns1.checkpoint.com.	3600	IN	CNAME	ns6.checkpoint.com.
ns6.checkpoint.com.	3086	IN	A	194.29.32.199
;; AUTHORITY SECTION:
checkpoint.com.		155987	IN	NS	ns6.checkpoint.com.
checkpoint.com.		155987	IN	NS	ns8.checkpoint.com.
;; ADDITIONAL SECTION:
ns8.checkpoint.com.	2997	IN	A	216.228.148.29


; <<>> DiG 9.4.1 <<>> ns4.checkpoint.com
;; QUESTION SECTION:
;ns4.checkpoint.com.		IN	A
;; ANSWER SECTION:
ns4.checkpoint.com.	3600	IN	CNAME	ns8.checkpoint.com.
ns8.checkpoint.com.	2965	IN	A	216.228.148.29
;; AUTHORITY SECTION:
checkpoint.com.		155955	IN	NS	ns6.checkpoint.com.
checkpoint.com.		155955	IN	NS	ns8.checkpoint.com.
;; ADDITIONAL SECTION:
ns6.checkpoint.com.	3054	IN	A	194.29.32.199


Is there a way to tell them, what's wrong?
They got an email yesterday, nothing happened.