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ww3.usaa.com is delegated to four nameservers, however all four delegated nameservers are missing in the zone. All nameservers are at ww3.usaa.com themselves. Two of them are on the same IP network. gss1sjt.ww3.usaa.com, gss2sat.ww3.usaa.com, gss1sat.ww3.usaa.com and gss2sjt.ww3.usaa.com are subdomains to this hostname. usaa.com is a domain controlled by three nameservers at usaa.com themselves. All of them are on different IP networks. Incoming mail for usaa.com is handled by two mailservers also at usaa.com. They are on different IP networks. usaa.com has two IP numbers. They are on different IP networks.

ww3.usaa.com
ns records
gss1sat.ww3.usaa.com
+ 167.24.111.50 167.24.111.0/24 AS7838  
+ ---  
gss1sjt.ww3.usaa.com
+ 167.24.121.50 167.24.121.0/24 AS7838  
gss2sat.ww3.usaa.com
+ 167.24.21.50 167.24.21.0/24 AS7838  
gss2sjt.ww3.usaa.com
+ 167.24.121.51 167.24.121.0/24 AS7838  

usaa.com
a records
 
+ 167.24.21.4 167.24.21.0/24 AS7838  
+ ---  
+ 167.24.111.4 167.24.111.0/24 AS7838  
ns-soa records
usaa.com
+ 167.24.21.4 167.24.21.0/24 AS7838  
+ ---  
+ 167.24.111.4 167.24.111.0/24 AS7838  
ns records
usaans1.usaa.com
+ 167.24.101.118 167.24.101.0/24 AS7838 -
+ --- -
usaans2.usaa.com
+ 167.24.27.100 167.24.27.0/24 AS7838 -
usaans3.usaa.com
+ 167.24.120.79 167.24.120.0/24 AS7838 -
mx records
prodmx1.usaa.com
+ 167.24.101.202 167.24.101.0/24 AS7838 -
+ --- -
prodmx2.usaa.com
+ 167.24.25.91 167.24.25.0/24 AS7838 -
ip numbers using ptr to this host
167.24.111.5
nameservers used by this domain
gss1sat.ww3.usaa.com
gss1sjt.ww3.usaa.com
gss2sat.ww3.usaa.com
gss2sjt.ww3.usaa.com
ip numbers of nameservers
167.24.111.50
167.24.121.50
167.24.121.51
167.24.21.50
other names of the nameservers
gss1sat.connect.usaa.com
gss1sat.documents.usaa.com
gss1sat.service2.usaa.com
gss1sat.ww4.usaa.com
gss1sjt.connect.usaa.com
gss1sjt.documents.usaa.com
gss1sjt.service2.usaa.com
gss1sjt.ww4.usaa.com
gss1sjt.www.usaa.com
gss2sat.connect.usaa.com
gss2sat.documents.usaa.com
gss2sat.service2.usaa.com
gss2sjt.connect.usaa.com
gss2sjt.documents.usaa.com
gss2sjt.service2.usaa.com
gss2sjt.ww4.usaa.com
gss2sjt.www.usaa.com
domains sharing nameservers under another name
connect.usaa.com
documents.usaa.com
service2.usaa.com
ww4.usaa.com
subdomains
gss1sat.ww3.usaa.com
gss1sjt.ww3.usaa.com
gss2sat.ww3.usaa.com
gss2sjt.ww3.usaa.com
nameservers missing in zone
gss1sat.ww3.usaa.com
gss1sjt.ww3.usaa.com
gss2sat.ww3.usaa.com
gss2sjt.ww3.usaa.com