Can BIND Query Another Nameserver
Jul 2, 2008
I've got mydomain.com using my own BIND nameserver hosted on a dedicated server.
I need subdomain.mydomain.com to have a dynamic IP. I know many dynamic DNS providers, but they all require you to change the nameservers of your domain to their own nameservers. Unfortunately I cannot do this - I need mydomain.com to keep using my nameservers.
I therefore need a way to get my nameserver to query a dynamic DNS providers' nameserver for subdomain.mydomain.com. Esentially my nameserver would just copy the IP that the other nameserver returns. Can BIND do this, or if not, any other name-server software?
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Mar 17, 2007
I've been trying to set up my own name servers in my Webmin, however, I am frustrated now, as it never seems to work for me. The tutorials available are kind of outdated.
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Jul 9, 2013
In 'Operations > DNS manager > Nameservers' the nameserver lists the hostname of the node as the nameserver. How do you specify or alter the nameserver to something different which would be more standard for example ns.domain.name?
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Aug 20, 2014
I would like to setup a caching Bind nameserver for which I need to modify the file /etc/named.conf. The file is automatically created by Plesk however and I am unable to find information on how to modify the file in Plesk.
Code:
#ATTENTION!
#
#DO NOT MODIFY THIS FILE BECAUSE IT WAS GENERATED AUTOMATICALLY,
#SO ALL YOUR CHANGES WILL BE LOST THE NEXT TIME THE FILE IS GENERATED.
// $Id: named.conf,v 1.1.1.1 2001/10/15 07:44:36 kap Exp $
Any way to modify named.conf?
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Apr 4, 2008
1) I use DNSMadeEasy for a couple of my important domains so I can utilize their failover service.
2) I use my own nameservers for everyone else.
At my register (GoDaddy) I've added host entries to my domain (let's call it host.com) for ALL of my nameservers: DNSMadeEasy and mine. For example here are my host entries:
1) nsdme0.host.com = 55.55.55.55 (DNSMadeEasy)
2) nsdme1.host.com = 56.55.55.55 (DNSMadeEasy)
3) nsdme2.host.com = 57.55.55.55 (DNSMadeEasy)
4) nsdme3.host.com = 58.55.55.55 (DNSMadeEasy)
5) nsdme4.host.com = 59.55.55.55 (DNSMadeEasy)
6) ns1.host.com = 60.55.55.55 (mine)
7) ns2.host.com = 61.55.55.55 (mine)
At the register I've then configured host.com to use the first five nameservers for itself, the DNSMadeEasy nameservers.
For less critical sites that I host I simply point them to ns1.host.com and ns2.host.com, my nameservers.
Now, here's the twist. If I use dig to look up www.host.com I get:
[root@lax1 ~]# dig +trace www.host.com
; <<>> DiG 9.3.3rc2 <<>> +trace www.host.com
;; global options: printcmd
. 220048 IN NS D.ROOT-SERVERS.NET.
...........................................
. 220048 IN NS K.ROOT-SERVERS.NET.
;; Received 228 bytes from 66.63.160.2#53(66.63.160.2) in 1 ms
net. 172800 IN NS J.GTLD-SERVERS.net.
...........................................
net. 172800 IN NS G.GTLD-SERVERS.net.
;; Received 497 bytes from 128.8.10.90#53(D.ROOT-SERVERS.NET) in 74 ms
host.com. 172800 IN NS nsdme0.host.com.
host.com. 172800 IN NS nsdme1.host.com.
host.com. 172800 IN NS nsdme2.host.com.
host.com. 172800 IN NS nsdme3.host.com.
host.com. 172800 IN NS nsdme4.host.com.
;; Received 225 bytes from 192.48.79.30#53(J.GTLD-SERVERS.net) in 125 ms
www.host.com. 1800 IN CNAME host.com.
host.com. 75 IN A 60.55.55.55
host.com. 86400 IN NS nsdme2.host.com.
host.com. 86400 IN NS nsdme1.host.com.
host.com. 86400 IN NS nsdme5.host.com.
host.com. 86400 IN NS nsdme0.host.com.
host.com. 86400 IN NS nsdme4.host.com.
host.com. 86400 IN NS nsdme3.host.com.
;; Received 276 bytes from 123.123.123.123#53(nsdme0.host.com) in 68 ms
BUT, if I lookup the nameserver (ns1.host.com) I get:
Code:
[root@lax1 ~]# dig +trace ns1.host.com
; <<>> DiG 9.3.3rc2 <<>> +trace ns1.host.com
;; global options: printcmd
. 218964 IN NS M.ROOT-SERVERS.NET.
...........................................
. 218964 IN NS K.ROOT-SERVERS.NET.
;; Received 228 bytes from 66.63.160.2#53(66.63.160.2) in 1 ms
net. 172800 IN NS H.GTLD-SERVERS.net.
...........................................
net. 172800 IN NS G.GTLD-SERVERS.net.
;; Received 497 bytes from 202.12.27.33#53(M.ROOT-SERVERS.NET) in 115 ms
ns1.host.com. 172800 IN A 60.55.55.55
host.com. 172800 IN NS nsdme0.host.com.
host.com. 172800 IN NS nsdme1.host.com.
host.com. 172800 IN NS nsdme2.host.com.
host.com. 172800 IN NS nsdme3.host.com.
host.com. 172800 IN NS nsdme4.host.com.
;; Received 241 bytes from 192.54.112.30#53(H.GTLD-SERVERS.net) in 151 ms
What I've realized is that the actual IP addresses for nameserver host entries come from a higher level server than my own, in this case H.GTLD-SERVERS.net. I guess this makes sense but I just hadn't realized it before. It looks like I don't even need to have record entries in my DNS records for the host nameservers.
Now for the question. Can I:
1) Remove my custom host nameserver entries from my register.
2) Add entries in my DNSMadeEasy records to specify the location of ns1.host.com and ns2.host.com.
3) Use the failover provided by DNSMadeEasy to also fail-over my DNS entries for my nameservers?
I know this would require one more hop if it works but it would allow me to provide failover ability to fifty domains without having to purchase the extra domains at DNSMadeEasy.
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Aug 31, 2007
I run a small Fan community / forum that I am looking to move to a VPS server as these are a little cheaper than Dedicated
I have a couple of questions & wondered if anyone could assist?
I need a Control panel as I have had experience with Plesk & Cpanel & do not have any SSH experience whatsoever
I see Cpanel offered in some VPS offers, Would this include things like Fantastico etc?
Would I better suited to a Managed or Unmanaged account? I assume seeing I have no SSH knowledge Managed account would be better
I had looked at a site called nameway dot com & like the look of their VPS offer but would love to hear other peoples thoughts on them (I haven't posted enough to post a url so site is
www dot nameway dot com/resellers-hosting.htm )
If I were to go unamanaged or part managed if there is such a thing, would this mean I would have to upload things like apache for php, mysql etc? or would this still be standard in an unmanaged account if a cpanel or control panel is offered?
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Jun 7, 2007
check the dns settings on my server?
I have a feeling there's something not quite right with it
I ran DNSreport.com's query and it said there were a few problems which might cause slowdowns (Which is what i'm experiencing), but didn't go into any detail on how to fix it
They've now put in a fee for doing anymore dns checks, so i'm abit in the dark as to what to do?
I'm running a WHM/Cpanel VPS at present.
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Jul 11, 2008
Am just about to emigrate to USA (yay) and I want to keep my xxxxxxxx.co.uk domain active so I can recieve emails etc. I would also like to register a yyyyyyyyy.com domain.
Can anyone advise me on this please?
Can I host a .co.uk in the US?
Can I host a different .com and .co.uk on the same servers?
Can anyone recommend a good reliable, cheapish ($10-$20per month) host that provide MSSQL and asp.net 2.0 support.
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Aug 21, 2007
I have a dedicated server with the 'typical' 2 ips pointing to the same instance of BIND on it for its nameservers.
I would like to actually have an ns2 to remove this single point of failure. Even though my 'infrastructure,' such as it is, is only a single server; my research on here and elsewhere suggests that this separate DNS server will make my site appear to be non-responsive when the server is down rather than simply non-existent. This is the behavior I would like to have!
I am still left with questions on implementing this. I know I need either a small VPS account, or an account with a provider such as DNSMadeEasy.com. What is not clear to me is how I would set up such an arrangement with the separate DNS server.
Does anyone have a link to a resource that shows how to do this, or would be willing to do a quick run through here?
I am not technically incompetent but am unfamiliar with this procedure and cannot seem to find documentation.
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Jun 19, 2007
I've got a VPS, and its performance sucks.
I've got 18 domains parked on it, with only 4 of those having active websites. There are 3 mailman lists set up, and a further 10 or so email accounts with SpamAssassin active on them.
It also runs cPanel/WHM.
The server itself has 384Mb RAM, with 512Mb burst.
My beancounters are.....
Version: 2.5
uid resource held maxheld barrier limit failcnt
2102: kmemsize 8406834 10504002 30000000 30000000 2722182
lockedpages 0 0 256 256 0
privvmpages 111738 132127 131072 131072 1034096
shmpages 731 747 21504 21504 0
dummy 0 0 0 0 0
numproc 73 96 240 240 0
physpages 55335 75477 0 2147483647 0
vmguarpages 0 0 65536 2147483647 0
oomguarpages 55335 75477 26112 2147483647 0
numtcpsock 24 47 360 360 0
numflock 9 20 188 206 0
numpty 1 1 16 16 0
numsiginfo 0 17 256 256 0
tcpsndbuf 214656 1750788 53687296 61551616 0
tcprcvbuf 393216 786996 53687296 61551616 0
othersockbuf 30416 275664 53687296 61551616 0
dgramrcvbuf 0 55460 53687296 61551616 0
numothersock 24 42 360 360 0
dcachesize 0 0 2273280 2416640 0
numfile 2078 2449 5820 5820 0
dummy 0 0 0 0 0
dummy 0 0 0 0 0
dummy 0 0 0 0 0
numiptent 10 10 128 128 0
Am I putting too much strain on the VPS with the amount of domains/emails I run through it? Is cPanel/WHM the problem? Is the server config suspect? Are VPS accounts only good for 1 or 2 domains?
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Feb 20, 2007
I been logging queries for a whole 3 days and my logs is huge and the problem seems to be my phpBB search table thats causing such problems for me heres what I logged
Code:
# Time: 070219 19:41:53
# User@Host: admin_db[admin_db] @ localhost []
# Query_time: 11 Lock_time: 0 Rows_sent: 0 Rows_examined: 13274745
SELECT word_id
FROM phpbb_search_wordmatch
GROUP BY word_id
HAVING COUNT(word_id) > 259756;
Everything from phpbb_search_wordmatch takes more then 11 sec Query time.
How can I optimze this and lower the Query time to something like 1 or 2.
Some adivce would be helpful me not that good with mysql.
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Jan 25, 2007
I currently have my jimpix site hosted by a really good Canadian company called Alentus. BUT, they are based in Canada, and I'm based in the UK.
I am working on a site at the moment which will require a timetable / scheduling facility, so working in the 7 hour time difference between the UK and Canada is a pain.
The package I need is:
ASP Hosting
MySQL Hosting
Use of ASPJPeg and ASPUpload Components
I've not been able to find a UK hosting firm offering these - or haven't spent hours looking for one, so wanted to check here if anyone could recommend a UK firm offering these - and a good one if possible! I have used other hosts before with other web clients, and some have been pretty ropey to say the least!
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Jun 29, 2009
what does this mean? its been flooding /var/log/messages
Jun 28 08:12:50 host named[7649]: client 209.86.63.238#9427: query (cache) 'root.domain.tld/A/IN' denied
Jun 28 08:12:50 host named[7649]: client 209.86.63.230#42462: query (cache) 'root.domain.tld/A/IN' denied
Jun 28 08:12:50 host named[7649]: client 200.23.242.203#37863: query (cache) 'root.domain.tld/A/IN' denied
Jun 28 08:12:50 host named[7649]: client 212.93.151.237#8080: query (cache) 'root.domain.tld/A/IN' denied
Jun 28 08:12:50 host named[7649]: client 212.202.215.18#35119: query (cache) 'root.domain.tld/A/IN' denied
Jun 28 08:12:50 host named[7649]: client 212.93.151.237#40106: query (cache) 'root.domain.tld/A/IN' denied
Jun 28 08:12:50 host named[7649]: client 209.86.63.231#51272: query (cache) 'root.domain.tld/A/IN' denied
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Apr 16, 2009
what causes an imbalanced load on a server? what/who makes a demand that causes something to be unbalanced?how is the problem solved?
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Oct 11, 2009
Is it possible to call a cron job with a query string appended to the file. I have no problem setting up crons in the cron tab..but i'd like the cron to fetch a url that looks something like
/home/php/some-file.php?a=1
is this possible directly through the cron job? I guess an alternative is call some php file that uses curl but i was wondering if there 's a direct way.
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Nov 17, 2008
Our local authority is looking into using MySQL database for some internal applications and possibly our website.
Do we need a commercial or enterprise license for this particular use or can we use a free version?
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Apr 30, 2008
I have the files .myd .myi and .frm files in a archive .tar.gz
My host do not provide shell access.
Is the any way that i can convert the files into .sql queries
Or is there any method other that using shell access.
Or is there any software to convert the database files into .sql query in my desktop computer so that i can restore it using phpmyadmin
My site has been down from several days
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Jan 4, 2007
What is the good value to set query_cache_size. I have set it to 60 M and here
is the status. Is it good? I am not sure how to check this? Can anyone explain?
query_cache_size=60M
mysql> SHOW STATUS LIKE 'Qcache%';
+-------------------------+----------+
| Variable_name | Value |
+-------------------------+----------+
| Qcache_free_blocks | 5 |
| Qcache_free_memory | 62666440 |
| Qcache_hits | 922 |
| Qcache_inserts | 381 |
| Qcache_lowmem_prunes | 0 |
| Qcache_not_cached | 565 |
| Qcache_queries_in_cache | 182 |
| Qcache_total_blocks | 400 |
+-------------------------+----------+
8 rows in set (0.00 sec)
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Apr 9, 2009
I have a problem since yesterday in one of my servers, Im receiving between 200 and 300 hits by second from different IPs to a non existent path in a site, the hits are going to different cracks, films and download query's, this site is a directory and its not a warez or p2p site.
The site is onemilliondirectory.com, and I have suspended it because it was using a lot of resources of the first server, now its being redirected to other location, I have placed some traffic trackers to determine the referer or any other usefull info about the visitors, but the referer is always empty and I think that they are fake users because the statcounter tracker do not recognize the visits.
For example, some of the hits are:
Code:
GET /suspended.page/?v=ABC%204%20KIDS%20Workshop%201.0.zip HTTP
GET /suspended.page/?v=DecryptSQL%202.8.zip HTTP/1.1
GET /suspended.page/?v=[0]%20Msn%20Live%20Messenger%20Mobile.zip
GET /inactive.html?v=Able%20Photo%20Slide%20Show%202.2.5.5.zip
GET /suspended.page/?v=English%20Grammar%20Worksheet%201.4.zip
GET /inactive.html?v=Karaoke%205%2030.zip HTTP/1.1
GET /suspended.page/?v=Nero%208%208.3.2.1.zip HTTP/1.1
Detail of one of the visits from the cpanel latest visitors tool:
Code:
Host: 82.246.88.241
/inactive.html?a=Knowing.2009.TS.FRENCH.XVID-PaGlop.****.[emule-island.com].avi
Http Code: 200 Date: Apr 07 16:39:54 Http Version: HTTP/1.1 Size in Bytes: 262
Referer: -
Agent: Internet Explorer
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