Updating SOA with nsupdate

[Kevin Darcy]

Just do an "add" and make sure that the serial number of the new SOA is=20
"higher" than the old serial number (as per "Serial Number Arithmetic",=20
RFC 1982).

											- Kevin


Florian Piekert wrote:

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>Greetings,
>
>I just recently subscribed to this list, so I am not aware if this quest=
ion
>has been asked before. Google was unsuccessful or I used the wrong keywo=
rds.
>
>Anyway:
>
>I am updating my zones to my dns (bind 9.3something) by using nsupdate (=
my
>machine is connected by dsl and obtains dynamic ip addresses).
>
>I would like to update not only the host information (addresses, mx, etc=
.),
>but also the Serial of the zone itself, which is in the SOA record. Upda=
ting
>the zone just with the host infos increments the SOA's serial by one I
>noticed and after a few months you end up with quite a nice number for t=
he
>last two digits of the serial (like 2003040247). Since I don't get a new=
 ip
>each day, I would like to keep track of the updates, when they occured. =
The
>question now is, what is the exact
>
>update del
>update add
>
>line for nsupdate to achieve this? I have the to be used serial in varia=
bles
>in the update bash script, so that information is available. What misses=
 me
>is the correct nsupdate command line formulation.
>
>Perhaps somebody has had the same problem and might help me out.
>
>Cheers,
>
>Florian
>- --
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>Florian Piekert                                           floppy at floppy.=
org
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Thx!
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>/W/mkvbncNDVMu76Lg0MdKk=3D
>=3DrvYY
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>
>
>
>
> =20
>