RE: recursive query use tcp ?

2019-04-07 Thread Sukmoon Lee
ZE rcvd: 308 % That said you can set "tcp-only yes”; in an appropriate server clause. Mark > On 8 Apr 2019, at 2:26 pm, Sukmoon Lee wrote: > > Hello. > > My Test DNS is not response for "*.tk". > I looked around then my server not work connect using udp for tk's tld

recursive query use tcp ?

2019-04-07 Thread Sukmoon Lee
. Thanks in Advance. Regards, Sukmoon Lee - $ dig @194.0.38.1 sukmoonlee.tk ; <<>> DiG 9.11.2-P1 <<>> @194.0.38.1 sukmoonlee.tk ; (1 server found) ;; global options: +cmd ;; connection timed out; no servers could be reached $ dig @194.0.3

RE: Questions about DNS64 operation

2017-11-29 Thread Sukmoon Lee
I want. dns64 64:ff9b::/96 { ... mapped { !127/8; any; }; } Thanks. > > > On 29 Nov 2017, at 7:32 pm, Sukmoon Lee <sm...@sk.com> wrote: > > > > Hello. > > > > I testing DNS64 using 64:ff9b::/96(prefix). &g

Questions about DNS64 operation

2017-11-29 Thread Sukmoon Lee
Hello. I testing DNS64 using 64:ff9b::/96(prefix). Some domain(IN/A) is responses to 127.0.0.1/IN/A. Under DNS64, this domain(IN/) is working 64:ff9b::7f00:1. I want to response ::1 under DNS64. Is there any way? Thanks. ___ Please visit

Quick Response Query for server-fail?

2017-02-12 Thread Sukmoon Lee
Hello. I found the slow response query at dns server. This query is server fail response. In reality, this query gets to response a server fail for foreign dns server. For example, maincastad.com’s glue record has 3 name server, 5 ip address. All glue record dns is not response. So, this query

RE: change response cache ttl (--enable-cache-ttl)

2016-08-04 Thread SUKMOON LEE
e renewed and desyncronise down stream caches. Or both. Thanks for answer. I think that a prefetch cache is a good idea. A prefetch cache will be update a cache TTL. So it is split to a client query. But I find a prefetch option over BIND 9.10. BIND 9.9 is not found prefetch

change response cache ttl (--enable-cache-ttl)

2016-08-04 Thread SUKMOON LEE
Hello Sirs, I am Sukmoon Lee, a software developer and network engineer in South Korea. Recently, most clients(smart phone) have a local DNS cache. The Cache DNS TTL affects the client cache expiration time domain. So many clients have caused a burst DNS traffic. In order to solve this issue