Re: Best practices for coding new RR Types

2015-10-19 Thread Bob Harold
On Sat, Oct 17, 2015 at 12:48 AM, Woodworth, John R < john.woodwo...@centurylink.com> wrote: > > -Original Message- > > From: Mark Andrews [mailto:ma...@isc.org] > > Sent: Friday, October 16, 2015 7:08 PM > > To: Woodworth, John R > > Cc: 'bind-users@lists.isc.org' > > Subject: Re: Best pr

RE: Best practices for coding new RR Types

2015-10-19 Thread Woodworth, John R
> > From: Bob Harold [mailto:rharo...@umich.edu] > > Sent: Monday, October 19, 2015 3:37 PM > > > > > > On Sat, Oct 17, 2015 at 12:48 AM, Woodworth, John R > > wrote: > > > -Original Message- > > > From: Mark Andrews [mailto:ma...@isc.org] > > > Sent: Friday, October 16, 2015 7:08 PM > >

How does a Client Verify if the DNS server is Alive or down

2015-10-19 Thread Harshith Mulky
Hi All, How can a Client verify if the DNS Server is Running(named service is Running) or Down? Does it periodically send any messages to the server. What Kind of messages are required by the client to be sent towards server to determine if the DNS IP is reachable or not? Thanks Harshith

Re: How does a Client Verify if the DNS server is Alive or down

2015-10-19 Thread Matus UHLAR - fantomas
On 20.10.15 11:56, Harshith Mulky wrote: How can a Client verify if the DNS Server is Running(named service is Running) or Down? Why should client know such info? The clients needs to have the answer - it sends message and if the server replies properly, it's up and running. Does it periodic

Re: How does a Client Verify if the DNS server is Alive or down

2015-10-19 Thread Wah Peng
Hello, Network issue should be detected by other ways. But DNS health check can be done by sending a normal DNS query to the server and try get a valid response. This is the script what I use to check the health of my DNS server. :D #!/usr/bin/perl use strict; use Net::DNS; use POSIX 'strftim

Re: How does a Client Verify if the DNS server is Alive or down

2015-10-19 Thread Mark Andrews
In message <20151020064204.ga13...@fantomas.sk>, Matus UHLAR - fantomas writes: > On 20.10.15 11:56, Harshith Mulky wrote: > >How can a Client verify if the DNS Server is Running(named service is Runnin > g) or Down? > > Why should client know such info? > The clients needs to have the answer - i