a domain can ns of itself?

[Mohsen Pahlevanzadeh]

Dear all,

Suppose you i have phlevanzadeh.info domain and FQDN
shared.pahlevanzadeh.info,
Question:
I installed bind9, and defined zone of pahlevanzadeh.info ,now , NS of
pahlevanzadeh.info can become itself?
such as:
dig pahlevanzadeh.info NS :

pahlevanzadeh.info. 14400 IN NS	shared.pahlevanzadeh.info.

Is it Possible?

--mohsen
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