Thursday, May 30, 2013

DNS Root Hints and Forwarders

I work in a small office with multiple remote offices.
The offices are connected by MPLS, but each office holds its own ISP.
I found that using Root Hints, and no fowarders worked just fine.
I used the following public servers in Root Hints:
a.root-servers.net
b.root-servers.net
c.root-servers.net
d.root-servers.net
e.root-servers.net
f.root-servers.net
g.root-servers.net
h.root-servers.net
i.root-servers.net
j.root-servers.net
 k.root-servers.net
l.root-servers.net
m.root-servers.net

I like this way because I can set the DNS on one server and pull it to all the other servers without having to manually enter each address or forwarder.

list of other Root Hint DNS servers:
MIT:
4.4.4.1
4.4.4.2
4.2.2.3
4.2.2.4
4.2.2.5
4.2.2.6

SpeakEasy Nameservers
66.93.87.2
216.231.41.2
216.254.95.2
64.81.45.2
64.81.111.2
64.81.127.2
64.81.79.2
64.81.159.2
66.92.64.2
66.92.224.2
66.92.159.2
64.81.79.2
64.81.159.2
64.81.127.2
64.81.45.2
216.27.175.2
66.92.159.2
66.93.87.2

ORSC Public Access DNS Nameservers
199.166.24.253
199.166.27.253
199.166.28.10
199.166.29.3
199.166.31.3
195.117.6.25
204.57.55.100

Sprintlink
204.117.214.10
199.2.252.10
204.97.212.10

Cisco
128.107.241.185
192.135.250.69

Google:
8.8.8.8
8.8.4.4

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