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-   -   Prevent unwanted DNS A record (http://www.howtoforge.com/forums/showthread.php?t=23009)

SupuS 6th May 2008 14:11

Prevent unwanted DNS A record
 
Hi Falko and Till

I found unwanted behaviour if CNAME record is created .. for example:

I have domain example.com with many subdomains (first.example.com , seccond.example.com , etc. ..) which pointing to few different servers (server1.example.com, server2.example.com) .. so I decided make it as CNAME .. so I have:

A records:
123.456.789.101 - server1.example.com
123.456.789.102 - server2.example.com
123.456.789.103 - server3.example.com

CNAME records:
first - server1.example.com
seccond - server2.example.com
dog - server3.example.com
cat - server3.example.com
animals - server3.example.com

etc..

In this case is necessary uncheck "Create DNS record" in web setting and everything is ok .. but if somebody unfortunately check this field (yes it is possible .. I know it :rolleyes: ) for first.example.com than ispconfig create A record for it. Now we have A record for first.example.com and CNAME record too without any warning. Finnaly DNS server cannot handle first.example.com and ends with SERVFAIL.

# host first.example.com
Host first.example.com not found: 2(SERVFAIL)

So what I want to say .. :)

It would be nice if somebody try to check "Create DNS record" for subdomain with CNAME record than ispconfig tell him about this problem.

Thanks for attention :)
SupuS

falko 7th May 2008 22:52

I've added this to our bugtracker.

falko 20th August 2008 00:17

I've just fixed this. :)

SupuS 20th August 2008 00:21

Great :) Thank you for your work Falko


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