DNSSEC

Linux Addict linuxaddict7 at gmail.com
Tue May 4 14:27:25 UTC 2010


Hello Binders!  I run bind 9.5.0-P2, but I cant seem to get more than
512bytes. Any ideas?  I read the Admin Guide which says default edns udp
size is 4096bytes. Should I change the edns udp size on
named.conf explicitly?


root at ns01x ~]# dig +short rs.dns-oarc.net txt @ns01x
rst.x476.rs.dns-oarc.net.
rst.x485.x476.rs.dns-oarc.net.
rst.x490.x485.x476.rs.dns-oarc.net.
lacks EDNS, defaults to 512"
DNS reply size limit is at least 490"
"Tested at 2010-05-04 14:21:02 UTC"

[root at ns01x ~]# /usr/local/sbin/named -v
BIND 9.5.0-P2


[root at ns01x ~]# grep -i dns /etc/named.conf                  dnssec not
enabled.
[root at ns01x ~]#


[root at ns01x ~]# dig +short rs.dns-oarc.net txt @4.2.2.2       Some other NS
rst.x3827.rs.dns-oarc.net.
rst.x3837.x3827.rs.dns-oarc.net.
rst.x3843.x3837.x3827.rs.dns-oarc.net.
"Tested at 2010-05-04 14:24:02 UTC"
"192.221.150.248 sent EDNS buffer size 4096"
"192.221.150.248 DNS reply size limit is at least 3843"



Cheers
LA
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