[FredrikNas]

Fredrik-Nass-MacBook-Air:~ fredriknas$ dig @8.8.8.8 ns1.loopia.se

; <<>> DiG 9.8.3-P1 <<>> @8.8.8.8 ns1.loopia.se
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 50173
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;ns1.loopia.se.			IN	A

;; ANSWER SECTION:
ns1.loopia.se.		2811	IN	A	93.188.0.20

;; Query time: 62 msec
;; SERVER: 8.8.8.8#53(8.8.8.8)
;; WHEN: Wed Apr 17 17:02:41 2013
;; MSG SIZE  rcvd: 47

Fredrik-Nass-MacBook-Air:~ fredriknas$ dig @8.8.8.8 ns2.loopia.se

; <<>> DiG 9.8.3-P1 <<>> @8.8.8.8 ns2.loopia.se
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 22414
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;ns2.loopia.se.			IN	A

;; ANSWER SECTION:
ns2.loopia.se.		2799	IN	A	93.188.0.21

;; Query time: 56 msec
;; SERVER: 8.8.8.8#53(8.8.8.8)
;; WHEN: Wed Apr 17 17:02:46 2013
;; MSG SIZE  rcvd: 47

Fredrik-Nass-MacBook-Air:~ fredriknas$ dig @8.8.8.8 ns3.loopia.se

; <<>> DiG 9.8.3-P1 <<>> @8.8.8.8 ns3.loopia.se
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 41530
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;ns3.loopia.se.			IN	A

;; ANSWER SECTION:
ns3.loopia.se.		2850	IN	A	93.188.0.21

;; Query time: 57 msec
;; SERVER: 8.8.8.8#53(8.8.8.8)
;; WHEN: Wed Apr 17 17:02:51 2013
;; MSG SIZE  rcvd: 47

Fredrik-Nass-MacBook-Air:~ fredriknas$ dig @8.8.8.8 ns4.loopia.se

; <<>> DiG 9.8.3-P1 <<>> @8.8.8.8 ns4.loopia.se
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 8809
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;ns4.loopia.se.			IN	A

;; ANSWER SECTION:
ns4.loopia.se.		3426	IN	A	93.188.0.20

;; Query time: 64 msec
;; SERVER: 8.8.8.8#53(8.8.8.8)
;; WHEN: Wed Apr 17 17:02:56 2013
;; MSG SIZE  rcvd: 47

hm, 2 ip adresser på 4 ns:er? I samma range? I samma hall?