go
sw.cefet-ma.br has one IP number , which also has a corresponding reverse pointer. cefet-ma.br is delegated to two nameservers, however three extra nameservers are listed in the zone. Two nameservers have the same IP number. Some of them are on the same IP network. Incoming mail for cefet-ma.br is handled by nine mailservers having a total of 28 IP numbers. There are two duplicated IP numbers. Some of them are on the same IP network. sw.cefet-ma.br is hosted on a server in Brazil.

sw.cefet-ma.br
a records
 
+ 200.137.128.1 200.137.128.0/18 AS1916 -
+ --- -

cefet-ma.br
ns-soa records
ns1.cefet-ma.br
+ 200.137.128.4 200.137.128.0/18 AS1916 -
+ --- -
ns records
ns2.cefet-ma.br
+ 200.137.128.2 200.137.128.0/18 AS1916 -
+ --- -
ns1.google.com
+ 216.239.32.10 216.239.32.0/24 AS15169 -
ns2.google.com
+ 216.239.34.10 216.239.34.0/24 AS15169 -
ns1.ifma.edu.br
+ 200.137.128.4 200.137.128.0/18 AS1916 ns1.cefet-ma.br
+ --- ns1.cefet-ma.br
ns1.cefet-ma.br
+ 200.137.128.4 200.137.128.0/18 AS1916 -
+ --- -
mx records
santaines.cefet-ma.br
+ 200.137.128.30 200.137.128.0/18 AS1916 -
+ --- -
santaines.ifma.edu.br
+ 200.137.128.30 200.137.128.0/18 AS1916 santaines.cefet-ma.br
+ --- santaines.cefet-ma.br
alt1.aspmx.l.google.com
+ 209.85.219.50 209.85.219.0/24 AS15169 mail-ew0-f50.google.com
+ --- mail-ew0-f50.google.com
alt2.aspmx.l.google.com
+ 209.85.135.27 209.85.134.0/23 AS15169 mu-in-f27.1e100.net
+ --- mu-in-f27.1e100.net
aspmx.l.google.com
+ 74.125.113.27 74.125.112.0/23 AS15169  
+ ---  
aspmx2.googlemail.com
+ 209.85.135.27 209.85.134.0/23 AS15169 mu-in-f27.1e100.net
+ --- mu-in-f27.1e100.net
aspmx3.googlemail.com
+ 209.85.222.1 209.85.222.0/24 AS15169 mail-pz0-f1.google.com
+ --- mail-pz0-f1.google.com
+ 209.85.222.2 209.85.222.0/24 AS15169 mail-pz0-f2.google.com
+ --- mail-pz0-f2.google.com
+ 209.85.222.3 209.85.222.0/24 AS15169 mail-pz0-f3.google.com
+ --- mail-pz0-f3.google.com
+ 209.85.222.4 209.85.222.0/24 AS15169 mail-pz0-f4.google.com
+ --- mail-pz0-f4.google.com
+ 209.85.222.5 209.85.222.0/24 AS15169 mail-pz0-f5.google.com
+ --- mail-pz0-f5.google.com
+ 209.85.222.6 209.85.222.0/24 AS15169 mail-pz0-f6.google.com
+ --- mail-pz0-f6.google.com
+ 209.85.222.7 209.85.222.0/24 AS15169  
+ ---  
+ 209.85.222.8 209.85.222.0/24 AS15169  
aspmx4.googlemail.com
+ 209.85.219.1 209.85.219.0/24 AS15169 mail-ew0-f1.google.com
+ --- mail-ew0-f1.google.com
+ 209.85.219.2 209.85.219.0/24 AS15169 mail-ew0-f2.google.com
+ --- mail-ew0-f2.google.com
+ 209.85.219.3 209.85.219.0/24 AS15169  
+ ---  
+ 209.85.219.4 209.85.219.0/24 AS15169  
+ 209.85.219.5 209.85.219.0/24 AS15169 mail-ew0-f5.google.com
+ --- mail-ew0-f5.google.com
+ 209.85.219.6 209.85.219.0/24 AS15169 mail-ew0-f6.google.com
+ --- mail-ew0-f6.google.com
+ 209.85.219.7 209.85.219.0/24 AS15169 mail-ew0-f7.google.com
+ --- mail-ew0-f7.google.com
+ 209.85.219.8 209.85.219.0/24 AS15169 mail-ew0-f8.google.com
+ --- mail-ew0-f8.google.com
aspmx5.googlemail.com
+ 209.85.210.1 209.85.210.0/24 AS15169 mail-yx0-f1.google.com
+ --- mail-yx0-f1.google.com
+ 209.85.210.2 209.85.210.0/24 AS15169  
+ ---  
+ 209.85.210.3 209.85.210.0/24 AS15169  
+ 209.85.210.4 209.85.210.0/24 AS15169  
+ 209.85.210.5 209.85.210.0/24 AS15169 mail-yx0-f5.google.com
+ --- mail-yx0-f5.google.com
+ 209.85.210.6 209.85.210.0/24 AS15169 mail-yx0-f6.google.com
+ --- mail-yx0-f6.google.com
+ 209.85.210.7 209.85.210.0/24 AS15169 mail-yx0-f7.google.com
+ --- mail-yx0-f7.google.com
+ 209.85.210.8 209.85.210.0/24 AS15169 mail-yx0-f8.google.com
+ --- mail-yx0-f8.google.com
ip numbers of host
200.137.128.1
ptrs of ip numbers
sw.cefet-ma.br
ip numbers using ptr to this host
200.137.128.1
nameservers missing in parent delegation
ns1.google.com
ns1.ifma.edu.br
ns2.google.com