[Unbound-users] Strange result from Unbound cache

[lst_hoe02 at kwsoft.de]

Hello

discovered today:

; <<>> DiG 9.4.2-P2.1 <<>> @127.0.0.1 secunia.com NS
; (1 server found)
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 7731
;; flags: qr rd ra; QUERY: 1, ANSWER: 4, AUTHORITY: 0, ADDITIONAL: 6

;; QUESTION SECTION:
;secunia.com.			IN	NS

;; ANSWER SECTION:
secunia.com.		3532	IN	NS	a.ns.secunia.com.
secunia.com.		3532	IN	NS	b.ns.secunia.com.
secunia.com.		3532	IN	NS	c.ns.secunia.com.
secunia.com.		3532	IN	NS	d.ns.secunia.com.

;; ADDITIONAL SECTION:
a.ns.secunia.com.	3532	IN	A	213.150.41.253
b.ns.secunia.com.	3532	IN	A	213.150.41.254
c.ns.secunia.com.	3532	IN	A	91.198.117.1
c.ns.secunia.com.	3532	IN	A	91.198.117.1
d.ns.secunia.com.	3532	IN	A	91.198.117.2
d.ns.secunia.com.	3532	IN	A	91.198.117.2

Note the identical double records for c.ns.secunia.com and d.ns.secunia.com

; <<>> DiG 9.4.2-P2.1 <<>> @127.0.0.1 c.ns.secunia.com A
; (1 server found)
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 50785
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 4, ADDITIONAL: 4

;; QUESTION SECTION:
;c.ns.secunia.com.		IN	A

;; ANSWER SECTION:
c.ns.secunia.com.	3555	IN	A	91.198.117.1
c.ns.secunia.com.	3555	IN	A	91.198.117.1


Is it simply a misconfigured Zone or some other glitch?

Unbound is Version 1.4.7 used as validating resolver without upstream cache.


Regards

Andreas