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1answer
22 views

Windows Domain Controller making ARP requests outside of subnet? [closed]

I have a Windows Server 2012 R2 box acting as a Domain Controller which is on a segregated LAN. It also acts as the DNS server for this LAN. I also have a Sonicwall NSA 2600 firewall which is set as ...
2
votes
3answers
306 views

connect a cisco router to the internet through a cable modem

The router gets an External IP address via DHCP from the Cable modem Clients inside the network get an IP address from Router's DHCP server I can ping that the external IP address from a client inside ...
1
vote
1answer
300 views

Tracert getting timeout on second packet consistenly

I'm on a vpn and tracing to virtualmachines that live in the VPN Server. I've been experiencing slow queries, when they should be fast. below is what the trace is returning. I'm curious as to why the ...
0
votes
1answer
686 views

2 different servers listening to same port and same public IP [closed]

I am running 2 VMs that they both are listening to ports 80/443. I have just one public IP and several subdomains that are pointing to my public IP. I would like to somehow be able to access both VMs ...
0
votes
2answers
112 views

Is DNS geo-redundant if my traceroute to each NS shows the same location?

Some providers employ BGP anycast for their NS servers. As a user, when doing a traceroute, many may show an identical location for both servers, for a given client. When he.net used to anycast ...
1
vote
2answers
315 views

How are packets routed based on IP and how are those routes acquired?

Good day all, this is my first question here, be gentle in judgement Background: At university, we are covering Network Routing Protocols. Having possibly found 2 issues with current routing ...
1
vote
3answers
2k views

Can I route internal DNS requests to another server?`

I have a bunch of internal computers, accessing a specific DNS server (internal Server). I'd like to setup some redundancy, in the event that DNS Server goes down, and quickly set routes, at the ...
4
votes
1answer
213 views

How are IPv4 Addresses provided uniquely to domains?

this question has been bothering me for sometime and I've yet to receive a clear answer (it bothers me whenever I go to sleep). I would like to receive expert answers on this matter. Who mainly ...
3
votes
2answers
1k views

What is route 66 in the context of DNS?

There is route53 which in the context of AWS is their DNS service. However, I've heard the term "route66" on different occasions in the context of DNS, but it never made sense to me. I tried ...
1
vote
1answer
61 views

Applying IP of a router in another router as a DNS server [closed]

There are 2 router let it be X and Y. For X I have registered on ddns and got a hostname for the router and applied that for remote management. In Y router I have applied the fixed public IP of router ...
3
votes
3answers
3k views

DNS Resolution:<Backwards IP Address>.in-addr.arpa [closed]

Can somebody please explain whats going on here? localuser@localhost:~$ host 127.0.0.1 1.0.0.127.in-addr.arpa domain name pointer localhost. What's up with the IP address being resolved ...
1
vote
1answer
5k views

Configure DNS Table on Sonic Wall TZ205

I just installed a TZ-205 on our company network and I can not seem to find where I would add to a DNS table. On our Linksys LRT224 there is a option to add a domain name and an associated IP. Does ...