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Sorry, we have no information about httpwww.avizoon.com. avizoon.com is delegated to two nameservers, however one delegated nameserver is missing in the zone. All nameservers are at sinet.ir. They are on the same IP network. avizoon.com has one IP number.

avizoon.com
a records
 
+ 81.12.13.144 81.12.0.0/19 AS21341  
+ ---  
ns-soa records
ns1.sinet.ir
+ 81.12.12.201 81.12.0.0/19 AS21341 -
+ --- -
ns records
ns1.sinet.ir
+ 81.12.12.201 81.12.0.0/19 AS21341 -
+ --- -
ns2.sinet.ir
+ 81.12.12.202 81.12.0.0/19 AS21341 -
nameservers missing in zone
ns2.sinet.ir