Thanks to all who asked this question: I have been able to use the suggestions to check DNS settings at my schools. However, I am not sure if the results make any sense. We have been having some network problems that could be attributable to DNS issues.
Within the LAN, PTR returns a correct value. DNS appears to be set up correctly forward and reverse.
However we are behind firewalls, NAT, proxy server is handling DNS. DHCP comes from routers (controlled by ISP). So, if I use these commands from outside the district, I get an error message. I am getting an "A" record, but PTR says "host does not exist."
Any ideas?
Thanks
Lynn Howells
Ridgewood Public Schools
Ridgewood, NJ
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