; > DiG > -t axfr @ns2.google.com google.it
; (2 servers found)
;; global options: +cmd
google.it.		60	IN	SOA	ns1.google.com. dns-admin.google.com. 960819459 900 900 1800 60
; Transfer failed.


; > DiG > -t axfr @ns3.google.com google.it
; (2 servers found)
;; global options: +cmd
google.it.		60	IN	SOA	ns1.google.com. dns-admin.google.com. 960819459 900 900 1800 60
; Transfer failed.


; > DiG > -t axfr @ns1.google.com google.it
; (2 servers found)
;; global options: +cmd
google.it.		60	IN	SOA	ns1.google.com. dns-admin.google.com. 960192982 900 900 1800 60
; Transfer failed.


; > DiG > -t axfr @ns4.google.com google.it
; (2 servers found)
;; global options: +cmd
google.it.		60	IN	SOA	ns1.google.com. dns-admin.google.com. 960192982 900 900 1800 60
; Transfer failed.