Using Master as Slave at the same time
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Using Master as Slave at the same time

 
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Kim Jensen
Guest





Posted: Mon Oct 24, 2005 12:50 pm    Post subject: Using Master as Slave at the same time Reply with quote

I've got two DNS-servers, ns1 and ns2.
The first one is configured as Master using ip 123.123.123.1 (example ip!)
The second is configured as Slave using ip 123.123.123.2 (example ip!)
This far everyting works. All nslookups returns everyhing as it should be.

Since we are two hosting companies using this DNS-server we both want our
own domain showing when a reverse DNS-check is done and/or use our own
dns-name (I want to use ns1.mycompany.com and he want ns1.hiscomapny.com).
We were told that the easiest way to do so is to add an additional IP to
each server and use the second IP on the master as a slave.
So, on the Master we added 123.123.123.3, and on the slave we added
123.123.123.4 (we got many IP's).
The idea is to use the Master DNS as Slave and the Slave as Master at the
same time. By doing so we don't need two more servers.

In the slave-DNS we added a new zone as primary-zone with the secondary ip
(123.123.123.4) which should make this zone using the server as Master.

Next step is to add the zone on the OLD master, but add the zone as a
secondary. This is where the problem occurs.
When the zone should be transferred from the master to slave it doesn't
work.
In the event viewer we get an error:

Event Type: Error
Event Source: DNS
Event Category: None
Event ID: 6525
Date: 2005-10-19
Time: 16:21:06
User: N/A
Computer: NS
Description:
A zone transfer request for the secondary zone testdns.com was refused by
the master DNS server at 123.123.123.4. Check the zone at the master server
123.123.123.4 to verify that zone transfer is enabled to this server. To do
so, use the DNS console, and select master server 123.123.123.4 as the
applicable server, then in secondary zone kimsdns.com Properties, view the
settings on the Zone Transfers tab. Based on the settings you choose, make
any configuration adjustments there (or possibly in the Name Servers tab) so
that a zone transfer can be made to this server.

For more information, see Help and Support Center at
http://go.microsoft.com/fwlink/events.asp.

We've checked this a dozen time and it's all correct.

Does anyone know how we should configure this?
I've asked this question on several forums on the Internet but no one seems
to know the solution. Someone told me that "no zone transfers are needed...
MS DNS will respond authoritatively to any query, on any interface. " I
don't see the solution in this since the slave needs to know every new
records from the master if we add anything.

I hope you could help me!

Kind Regards,
Kim Jensen
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Ace Fekay [MVP]
Guest





Posted: Mon Oct 24, 2005 4:50 pm    Post subject: Re: Using Master as Slave at the same time Reply with quote

In news:%23uGoqWI2FHA.464@TK2MSFTNGP15.phx.gbl,
Kim Jensen <kim.jensen@netland.se> made this post, which I then commented
about below:
Quote:
I've got two DNS-servers, ns1 and ns2.
The first one is configured as Master using ip 123.123.123.1 (example
ip!) The second is configured as Slave using ip 123.123.123.2
(example ip!) This far everyting works. All nslookups returns everyhing as
it
should be.
Since we are two hosting companies using this DNS-server we both want
our own domain showing when a reverse DNS-check is done and/or use
our own dns-name (I want to use ns1.mycompany.com and he want
ns1.hiscomapny.com). We were told that the easiest way to do so is to
add an additional IP to each server and use the second IP on the
master as a slave. So, on the Master we added 123.123.123.3, and on the
slave we added
123.123.123.4 (we got many IP's).
The idea is to use the Master DNS as Slave and the Slave as Master at
the same time. By doing so we don't need two more servers.

In the slave-DNS we added a new zone as primary-zone with the
secondary ip (123.123.123.4) which should make this zone using the
server as Master.
Next step is to add the zone on the OLD master, but add the zone as a
secondary. This is where the problem occurs.
When the zone should be transferred from the master to slave it
doesn't work.
In the event viewer we get an error:

Event Type: Error
Event Source: DNS
Event Category: None
Event ID: 6525
Date: 2005-10-19
Time: 16:21:06
User: N/A
Computer: NS
Description:
A zone transfer request for the secondary zone testdns.com was
refused by the master DNS server at 123.123.123.4. Check the zone at
the master server 123.123.123.4 to verify that zone transfer is
enabled to this server. To do so, use the DNS console, and select
master server 123.123.123.4 as the applicable server, then in
secondary zone kimsdns.com Properties, view the settings on the Zone
Transfers tab. Based on the settings you choose, make any
configuration adjustments there (or possibly in the Name Servers tab)
so that a zone transfer can be made to this server.
snipped

Kind Regards,
Kim Jensen

If you are adding a zone on the OLD master as a secondary, but the zone
already exists as a Primary (whether you identify it with a different IP or
not), that won't work and looks at is as a duplicate zone, unless I am
misunderstanding what you are doing.

--
Ace

This posting is provided "AS-IS" with no warranties or guarantees and
confers no rights.

If this post is viewed at a non-Microsoft community website, and you were to
respond to it through that community's website, I may not see your reply
unless that website posts replies back to the original Microsoft forum.
Therefore, please direct all replies ONLY to the Microsoft public newsgroup
this thread originated in so all can benefit or ensure the web community
posts it back to the original forum.

Ace Fekay, MCSE 2003 & 2000, MCSA 2003 & 2000, MCSE+I, MCT, MVP
Microsoft MVP - Windows Server Directory Services
Microsoft Certified Trainer
Infinite Diversities in Infinite Combinations.
=================================
Back to top
Kim Jensen
Guest





Posted: Mon Oct 24, 2005 4:50 pm    Post subject: Re: Using Master as Slave at the same time Reply with quote

Thank you for the quick reply!

The zone I try to add as new master does not exist on neither of the
servers.
No duplicates exists.

If I add his nameservers in the name-server tab (as the ones that are ok to
send notify and transfer to) everything works, but this isn't the solution I
am looking for.
I don't want his nameservers to show up on nslookup/dig.

Would it help if I show you some zone-files? Which one do you want?

Kind Regards,
Kim Jensen

Telefontid: Måndag till fredag, 11:00 - 16:00
Telefon 0757-600 609 (lokalsamtalstaxa)
"Ace Fekay [MVP]"
<PleaseSubstituteMyActualFirstName&LastNameHere@hotmail.com> skrev i
meddelandet news:OQbFRpJ2FHA.2932@TK2MSFTNGP10.phx.gbl...
Quote:
In news:%23uGoqWI2FHA.464@TK2MSFTNGP15.phx.gbl,
Kim Jensen <kim.jensen@netland.se> made this post, which I then commented
about below:
I've got two DNS-servers, ns1 and ns2.
The first one is configured as Master using ip 123.123.123.1 (example
ip!) The second is configured as Slave using ip 123.123.123.2
(example ip!) This far everyting works. All nslookups returns everyhing
as it
should be.
Since we are two hosting companies using this DNS-server we both want
our own domain showing when a reverse DNS-check is done and/or use
our own dns-name (I want to use ns1.mycompany.com and he want
ns1.hiscomapny.com). We were told that the easiest way to do so is to
add an additional IP to each server and use the second IP on the
master as a slave. So, on the Master we added 123.123.123.3, and on the
slave we added
123.123.123.4 (we got many IP's).
The idea is to use the Master DNS as Slave and the Slave as Master at
the same time. By doing so we don't need two more servers.

In the slave-DNS we added a new zone as primary-zone with the
secondary ip (123.123.123.4) which should make this zone using the
server as Master.
Next step is to add the zone on the OLD master, but add the zone as a
secondary. This is where the problem occurs.
When the zone should be transferred from the master to slave it
doesn't work.
In the event viewer we get an error:

Event Type: Error
Event Source: DNS
Event Category: None
Event ID: 6525
Date: 2005-10-19
Time: 16:21:06
User: N/A
Computer: NS
Description:
A zone transfer request for the secondary zone testdns.com was
refused by the master DNS server at 123.123.123.4. Check the zone at
the master server 123.123.123.4 to verify that zone transfer is
enabled to this server. To do so, use the DNS console, and select
master server 123.123.123.4 as the applicable server, then in
secondary zone kimsdns.com Properties, view the settings on the Zone
Transfers tab. Based on the settings you choose, make any
configuration adjustments there (or possibly in the Name Servers tab)
so that a zone transfer can be made to this server.
snipped

Kind Regards,
Kim Jensen

If you are adding a zone on the OLD master as a secondary, but the zone
already exists as a Primary (whether you identify it with a different IP
or not), that won't work and looks at is as a duplicate zone, unless I am
misunderstanding what you are doing.

--
Ace

This posting is provided "AS-IS" with no warranties or guarantees and
confers no rights.

If this post is viewed at a non-Microsoft community website, and you were
to respond to it through that community's website, I may not see your
reply unless that website posts replies back to the original Microsoft
forum. Therefore, please direct all replies ONLY to the Microsoft public
newsgroup this thread originated in so all can benefit or ensure the web
community posts it back to the original forum.

Ace Fekay, MCSE 2003 & 2000, MCSA 2003 & 2000, MCSE+I, MCT, MVP
Microsoft MVP - Windows Server Directory Services
Microsoft Certified Trainer
Infinite Diversities in Infinite Combinations.
=================================
Back to top
Kim Jensen
Guest





Posted: Tue Oct 25, 2005 8:50 pm    Post subject: Re: Using Master as Slave at the same time Reply with quote

Any other suggestions? I appreciate any help!


Kind Regards,
Kim Jensen


"Kim Jensen" <kim.jensen@netland.se> skrev i meddelandet
news:ehXDrAK2FHA.3924@TK2MSFTNGP14.phx.gbl...
Quote:
Thank you for the quick reply!

The zone I try to add as new master does not exist on neither of the
servers.
No duplicates exists.

If I add his nameservers in the name-server tab (as the ones that are ok
to send notify and transfer to) everything works, but this isn't the
solution I am looking for.
I don't want his nameservers to show up on nslookup/dig.

Would it help if I show you some zone-files? Which one do you want?

Kind Regards,
Kim Jensen

Telefontid: Måndag till fredag, 11:00 - 16:00
Telefon 0757-600 609 (lokalsamtalstaxa)
"Ace Fekay [MVP]"
PleaseSubstituteMyActualFirstName&LastNameHere@hotmail.com> skrev i
meddelandet news:OQbFRpJ2FHA.2932@TK2MSFTNGP10.phx.gbl...
In news:%23uGoqWI2FHA.464@TK2MSFTNGP15.phx.gbl,
Kim Jensen <kim.jensen@netland.se> made this post, which I then commented
about below:
I've got two DNS-servers, ns1 and ns2.
The first one is configured as Master using ip 123.123.123.1 (example
ip!) The second is configured as Slave using ip 123.123.123.2
(example ip!) This far everyting works. All nslookups returns everyhing
as it
should be.
Since we are two hosting companies using this DNS-server we both want
our own domain showing when a reverse DNS-check is done and/or use
our own dns-name (I want to use ns1.mycompany.com and he want
ns1.hiscomapny.com). We were told that the easiest way to do so is to
add an additional IP to each server and use the second IP on the
master as a slave. So, on the Master we added 123.123.123.3, and on the
slave we added
123.123.123.4 (we got many IP's).
The idea is to use the Master DNS as Slave and the Slave as Master at
the same time. By doing so we don't need two more servers.

In the slave-DNS we added a new zone as primary-zone with the
secondary ip (123.123.123.4) which should make this zone using the
server as Master.
Next step is to add the zone on the OLD master, but add the zone as a
secondary. This is where the problem occurs.
When the zone should be transferred from the master to slave it
doesn't work.
In the event viewer we get an error:

Event Type: Error
Event Source: DNS
Event Category: None
Event ID: 6525
Date: 2005-10-19
Time: 16:21:06
User: N/A
Computer: NS
Description:
A zone transfer request for the secondary zone testdns.com was
refused by the master DNS server at 123.123.123.4. Check the zone at
the master server 123.123.123.4 to verify that zone transfer is
enabled to this server. To do so, use the DNS console, and select
master server 123.123.123.4 as the applicable server, then in
secondary zone kimsdns.com Properties, view the settings on the Zone
Transfers tab. Based on the settings you choose, make any
configuration adjustments there (or possibly in the Name Servers tab)
so that a zone transfer can be made to this server.
snipped

Kind Regards,
Kim Jensen

If you are adding a zone on the OLD master as a secondary, but the zone
already exists as a Primary (whether you identify it with a different IP
or not), that won't work and looks at is as a duplicate zone, unless I am
misunderstanding what you are doing.

--
Ace

This posting is provided "AS-IS" with no warranties or guarantees and
confers no rights.

If this post is viewed at a non-Microsoft community website, and you were
to respond to it through that community's website, I may not see your
reply unless that website posts replies back to the original Microsoft
forum. Therefore, please direct all replies ONLY to the Microsoft public
newsgroup this thread originated in so all can benefit or ensure the web
community posts it back to the original forum.

Ace Fekay, MCSE 2003 & 2000, MCSA 2003 & 2000, MCSE+I, MCT, MVP
Microsoft MVP - Windows Server Directory Services
Microsoft Certified Trainer
Infinite Diversities in Infinite Combinations.
=================================


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