Ping a DNS???

Ping a DNS???

[Hal MacArgle]

Greetings: Contemplating an ISP change I thought I'd ping the present
thence the proposed DNS's to evaluate the round trip time..

The present, 204.97.4.2, returned it's RTT to be expected.. The
proposed, 65.196.16.3, returned "100% packet loss" - not expected.

Both addresses are in /etc/resolv.conf, but that shouldn't make a
difference here - IMHO. <grin> Also; since I'm connected to the INet
via the present ISP my ping testing idea might be a dumb one.

Invoking 'dig' for both addresses I find a difference in the report:
"ANSWER" is set = 1, on the working site and = 0 on the non-working.
This is obvious, to me, what's happening but I can't help but
wonder if that might mean I wont be able to use that site? /Or/ why
would a SysAdm set his/her site to not support ping? I'm confused.

TIA and thanks,

    Hal - in Terra Alta, WV - Slackware GNU/Linux 8.0   (2.4.13)
	       haltec@iceweb.net | w8mch@iceweb.net
                Proprietary  Formats  Unacceptable
.
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Re: Ping a DNS???

[Carl]

At 09:09 10/01/2003 -0500, Hal MacArgle wrote:
>Greetings: Contemplating an ISP change I thought I'd ping the present
>thence the proposed DNS's to evaluate the round trip time..
>
>The present, 204.97.4.2, returned it's RTT to be expected.. The
>proposed, 65.196.16.3, returned "100% packet loss" - not expected.
>
>Both addresses are in /etc/resolv.conf, but that shouldn't make a
>difference here - IMHO. <grin> Also; since I'm connected to the INet
>via the present ISP my ping testing idea might be a dumb one.
>
>Invoking 'dig' for both addresses I find a difference in the report:
>"ANSWER" is set = 1, on the working site and = 0 on the non-working.
>This is obvious, to me, what's happening but I can't help but
>wonder if that might mean I wont be able to use that site? /Or/ why
>would a SysAdm set his/her site to not support ping? I'm confused.
>
>TIA and thanks,
>
>    Hal - in Terra Alta, WV - Slackware GNU/Linux 8.0   (2.4.13)
>               haltec@iceweb.net | w8mch@iceweb.net
>                Proprietary  Formats  Unacceptable
>.
>-
>To unsubscribe from this list: send the line "unsubscribe linux-newbie" in
>the body of a message to majordomo@vger.kernel.org
>More majordomo info at  http://vger.kernel.org/majordomo-info.html
>Please read the FAQ at http://www.linux-learn.org/faqs 

Are you sure the new DNS ip is correct (65.196.16.3).

I tried dig and could only find that it was an address assigned to uunet and nothing else.

ping and traceroute both tell me the "net is unreachable".

--
Carl

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Re: Ping a DNS???

[pa3gcu]

On Friday 10 January 2003 14:09, Hal MacArgle wrote:
> Greetings: Contemplating an ISP change I thought I'd ping the present
> thence the proposed DNS's to evaluate the round trip time..
>
> The present, 204.97.4.2, returned it's RTT to be expected.. The
> proposed, 65.196.16.3, returned "100% packet loss" - not expected.

You forgot one thing, some ISP's block pings, have you tryed to actually use 
65.196.16.3 as your DNS,?? i have and its quick...

Rest deleted, all i did was add 'nameserver 65.196.16.3' as first line to my 
/etc/resolv.conf

BTW;

Your replt too field is now ok, but i guess you knew that.

>
> TIA and thanks,
>
>     Hal - in Terra Alta, WV - Slackware GNU/Linux 8.0   (2.4.13)
> 	       haltec@iceweb.net | w8mch@iceweb.net
>                 Proprietary  Formats  Unacceptable

-- 
Regards Richard
pa3gcu@zeelandnet.nl
http://people.zeelandnet.nl/pa3gcu/

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Re: Ping a DNS???

[Hal MacArgle]

On 01-10, pa3gcu wrote:
> On Friday 10 January 2003 14:09, Hal MacArgle wrote:
> > Greetings: Contemplating an ISP change I thought I'd ping the present
> > thence the proposed DNS's to evaluate the round trip time..
> >
> > The present, 204.97.4.2, returned it's RTT to be expected.. The
> > proposed, 65.196.16.3, returned "100% packet loss" - not expected.
> 
> You forgot one thing, some ISP's block pings, have you tryed to actually use 
> 65.196.16.3 as your DNS,?? i have and its quick...

		Greetings Richard: Yes I did and it is about 35mS
faster than the original.. I guess I was confused that the
Administrator was "allowed" to turn off the ping ANSWER.. I'd never
seen that before. I suspect it's done to minimize spurious pings for
hours, whatever.. I, now, remember we had that problem with Ham AX25.
Any way - my learning process continues, eh?

> BTW;
> 
> Your replt too field is now ok, but i guess you knew that.
> Regards Richard
> pa3gcu@zeelandnet.nl
> http://people.zeelandnet.nl/pa3gcu/

		UtHo: I had no idea my Reply To: field was wrong in
the past.. I have changed nothing. It's in, and has been for some
time, in my .muttrc file.. Let me make a quick check: According to
the date I've not made a change to .muttrc since November 2001.. Did
you warn me before?? 

		Vy 73, and, as usual - appreciate!!

    Hal - in Terra Alta, WV - Slackware GNU/Linux 8.0   (2.4.13)
	       haltec@iceweb.net | w8mch@iceweb.net
                Proprietary  Formats  Unacceptable
.

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Re: Ping a DNS???

[pa3gcu]

On Friday 10 January 2003 20:02, Hal MacArgle wrote:

> 		UtHo: I had no idea my Reply To: field was wrong in
> the past.. I have changed nothing. It's in, and has been for some
> time, in my .muttrc file.. Let me make a quick check: According to
> the date I've not made a change to .muttrc since November 2001.. Did
> you warn me before??

Oops, i mixed you up with someone else, sorry...

-- 
Regards Richard
pa3gcu@zeelandnet.nl
http://people.zeelandnet.nl/pa3gcu/

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