go
ns2tangaradaserra.mt.gov.br has one IP number , but no corresponding reverse pointer. sistema.tganet.com.br, mysql.fogliatto.com.br, sistema.fogliatto.com.br and mysql.reciclar-mt.com.br point to the same IP. tangaradaserra.mt.gov.br use this as a nameserver. mt.gov.br is a domain controlled by two nameservers at cepromat.com.br. They are on the same IP network. Incoming mail for mt.gov.br is handled by two mailservers on the same IP network. ns2tangaradaserra.mt.gov.br is hosted on a server in Brazil.

ns2tangaradaserra.mt.gov.br
a records
 
+ 201.11.178.231 201.11.128.0/18 AS8167 mysql.fogliatto.com.br
+ --- mysql.fogliatto.com.br
+ --- mysql.reciclar-mt.com.br

mt.gov.br
ns-soa records
arara.cepromat.com.br
+ 201.49.161.100 201.49.160.0/20 AS28602 -
+ --- -
ns records
arara.cepromat.com.br
+ 201.49.161.100 201.49.160.0/20 AS28602 -
+ --- -
joaodebarro.cepromat.com.br
+ 201.49.165.166 201.49.160.0/20 AS28602 -
mx records
joaopinto.mt.gov.br
+ 201.49.161.123 201.49.160.0/20 AS28602 -
+ --- -
pombo.cepromat.com.br
+ 201.49.168.10 201.49.160.0/20 AS28602 -
ip numbers of host
201.11.178.231
ptrs of ip numbers
mysql.fogliatto.com.br
mysql.reciclar-mt.com.br
hostnames sharing ip with a-records
mysql.fogliatto.com.br
mysql.reciclar-mt.com.br
sistema.fogliatto.com.br
sistema.tganet.com.br
domains using this as nameserver
tangaradaserra.mt.gov.br
used as nameserver but missing in zone
tangaradaserra.mt.gov.br