CURL Named Lookup

Sep 26, 2007

Friend of mine asked me what "CURL named lookup issue resolved" means, he's got a CentOS 4 machine, with cPanel/WHM latest builds I tried recompiling apache and even cPanel at some point but no good..

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How To Revert Back From Named-wrapper -u Named To /usr/sbin/named -u Named

Oct 26, 2009

After upcp suddently named failed and only works when I use /scripts/ulimitnamed

But now the server feel so slow because of became named-wrapper -u

How to revert back from named-wrapper -u named to /usr/sbin/named -u named?

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Weird Named Errors Available9 Named[7562]: Lame Server Resolving

Nov 25, 2008

I see some errors about lame servers in messages log,and i noticed that look like adress of isp surfer domain beacuse i noticed domain of my isp listed also as lame name server.Here is example:

Nov 24 03:46:55 available9 named[7562]: lame server resolving '' (in ''?):
Nov 24 03:46:55 available9 named[7562]: lame server resolving '' (in ''?):
Nov 24 03:46:56 available9 named[7562]: lame server resolving '' (in ''?):
Nov 24 03:46:56 available9 named[7562]: lame server resolving '' (in ''?):
Nov 24 07:19:51 available9 named[7562]: FORMERR resolving '':
Nov 24 07:19:51 available9 named[7562]: FORMERR resolving '':
Nov 24 07:19:52 available9 named[7562]: FORMERR resolving '':
Nov 24 07:19:52 available9 named[7562]: FORMERR resolving '':
Nov 24 07:19:52 available9 named[7562]: FORMERR resolving '':
Nov 24 07:19:52 available9 named[7562]: FORMERR resolving '':
Nov 24 07:19:52 available9 named[7562]: FORMERR resolving '':
Nov 24 07:19:52 available9 named[7562]: FORMERR resolving '':
Nov 24 07:19:52 available9 named[7562]: FORMERR resolving '':
Nov 24 07:19:52 available9 named[7562]: FORMERR resolving '':

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Fatal! Named.conf Fails Named-checkconf

Mar 2, 2008

i have adidcated server any i get anew one
and my site is
on the domain name i make the ns1 - ns2-ns3-ns4 of ips of the new server
but the problem that to this time there is no any account on my server is working
as i have adns error but i do not what is the problem
i made that

DNS Functions
Adding an A entry for your hostname
Bind reloading on server using rndc zone: [] Error reloading bind on server: rndc: get config key list: not found

DNS Functions
Cleanup Nameserver Config File
Fatal! named.conf fails named-checkconf, please repair named.conf and try again

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Reverse DNS Lookup ...

May 5, 2008

if I do a reverse lookup on my server's IP it returns a host assigned by the data center. So is this something I should even be managing too or is that always left up to the DC? I run my own DNS for the forward lookup zones.

Also just a technical question, when you do a reverse lookup, how does it know where to look to get the host? I'm not sure I fully understand how these work.

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Name Server Lookup

Jan 13, 2008

Somebody purchased a domain from a popular registrar. When you lookup the domain, it points to its own name servers (i.e. and, which means that it is hosted by them as well. correct?

this person is saying they bought their domain from the registrar, but they are hosted by company X. he says that he is pointing the ip address of his web site on company X to his registrar.

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DNS Lookup Explanation

Mar 14, 2007

I want to know how serious following nameserver problem can be in reality:
[url] ?

From DNS timing someone could conclude it's a slow hosting.

Can anyone explain above results "accurately" ? I still don't know what's "good" result in DNS timing: A or F?

The problem is that
[url] loads slow (5-10 seconds on T1 connection), here's a speed test. I'm aware images and scripts contribute to slow site loading.

My question is: Beside removing some images from the Home page, is it any reason to change the hosting (regarding DNS tests).

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Hostname/dns Lookup And Exim.

May 28, 2007

I am having a problem. My server was able to ping successfully before installing DirectAdmin.

However after installing DirectAdmin, I am no longer able to ping anymore. I just get a host cannot be found error. This is the same with all other domains.

The /etc/resolv.conf is exactly the same, so I do not know the issue. I also have other servers using the same nameserver and are still able to ping and resolve successfully.

The main problem here is that exim no longer can send email as it cannot lookup the hostnames.

the error from exim is: R=lookuphost defer (-1): host lookup did not complete.

Thats the only error within the message.

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Relaying Denied. IP Name Lookup Failed []

Nov 17, 2006

My VPS Config:
centos with webmin
mail program sendmail

Its a newly configured VPS have a problem with smtp realying through outlook and other smtp programs. When i use smtp on outlook it give following error:

The message could not be sent because one of the recipients was rejected by the server. The rejected e-mail address was ''. Subject 'Outlook', Account: 'Testing', Server: '', Protocol: SMTP, Server Response: '550 5.7.1 <>... Relaying denied. IP name possibly forged []', Port: 25, Secure(SSL): No, Server Error: 550, Error Number: 0x800CCC79

I want to make outgoing authentication activate instead of allowing some iprange or domain for relaying through /etc/mail/access.

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Ffmpeg Symbol Lookup Error

May 14, 2009

ffmpeg: symbol lookup error: /usr/lib/ undefined symbol: speex_header_free

I am using a centos 5 vps

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MySQL DNS Lookup Delay - Internal IP

May 30, 2009

I have six dedicated servers on a VPR. I use one of these as the Database server and the other five connects to that server to read the Database.

When I setup my scripts for the first time I used the external IP to connect to the DB server. Everything worked perfect for these weeks:

mysql_connect('', 'user', 'pass');

Since three days ago I finally received the internal IPs of my servers and now I use the internal IP of the DB server:

mysql_connect('', 'user', 'pass');

When I did this last change this my database started to collapse. Queries stuck on a bottleneck every 10 minutes. Here's an example:

40468 simon pkindigo_db Query 115 Locked update `captured` set hp_left = '79', status = 'normal', att1pp = '25', att2pp = '30', att3p
40523 simon pkindigo_db Query 115 Locked update `captured` set experience = '5120', level = '16', hp_left = '58', hp = '58', status =
... (tons of locked queries before) ...

As you may see table is locked since 115 seconds for a simple update... after some hours this ends on a "#1135 - Can't create a new thread (errno 13); if you are not out of available memory, you can consult the manual for a possible OS-dependent bug" and even some of my tables finally crashing.

I think that my Database stuck because of a DNS lookup delay. When I had this problem before using the external IPs, I added skip-name-resolve and the problem was fixed. But now with the internal IPs it seems that's not enough.

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Bind DNS Reverse Lookup File

Aug 3, 2009

I'm having tons of problems trying to get reverse lookup working on my dns server. I've scoured the net and tried lots of methods but so far none work.

Forward lookup DNS is working perfect, but reverse lookup is completely broken.


$TTL 86400 ; Default TTL in secs(1 day)
@ IN SOA (

2009072902; serial number YYMMDDNN
28800 ; Refresh
7200 ; Retry
864000 ; Expire
86400 ; Min TTL


; Reverse lookups

zone "" IN {
type master;
file "etcdb.";
allow-transfer { localhost; };

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Changing Host Name Or Reverse Lookup

Jul 19, 2008

if its possible to change the reverse lookup, or at least i think thats what it is called.

I have 2 accounts on my CentOS, WHM/cPanel VPS and they are hosted on their own seperate IPs however when you do a lookup on one domain it also lists the other domain as being hosted on the server and vice-versa.

How do i change this so they appear like they are on different servers? Each one has their own nameservers which are on seperate IPs also.

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MySQL DNS (Domain Name Server) Lookup

Feb 18, 2008

My MySQL server slowed down to a crawl a few days ago, and I finally fixed it by starting it without DNS lookups via "--skip-name-resolve".

I tested domain name resolution on the MySQL machine and it was able to return IPs from domains rather quickly, so I'm at a loss as to why DNS was the problem here? I am using "" as the MySQL server's IP, in case that matters?

I have a couple of questions:Why is DNS resolution so slow when in the command line it's running normally?

Why does MySQL need to do DNS lookups at all? I don't see any log files that's converting IPs to host names or vice versa.

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Where Are My E-mails Sent From? Should I Create Reverse Ip Lookup

May 11, 2007

Where am I sending e-mails from with the below settings:

(Is it,, or

My secondary question is: Is creating own reverse IP lookup to possible and beneficial in my case? If so, what should I replace this SPF line with: TXT "v=spf1 a mx ip4: ?all"?

I'm trying to improve's e-mail delivery ratio because hotmail and gmail deliver my PHP mailer's sent confirmation e-mails to the junk folder. I've done everything I can to improve the sent headers etc. so there's only one more possible way to improve it: (That I can think of). is hosted on the same server as

DirectAdmin control panel on CentOS 4.4.

My server's primary IP is:
My server's hostname is:'s Related DNS Settings:
mailMX10"v=spf1 a mx ip4: ?all"'s IP is:'s Related DNS Settings:
mailMX10"v=spf1 a mx ip4: ?all"

I'm by the way putting (PHP reported server name) to the Message ID: field in the e-mail headers. Would putting IP there perhaps work better? If so, which IP?

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How To Hide DNS Info On WHOIS Lookup

May 18, 2007

I want to hide my NS records on WHOIS lookup, or show a fake or something so that no one can find me, Is it possible,

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Forward Lookup Zones In Windows 2000

Aug 21, 2009

I have a windows 2000 server and I would like to configure two domain names, and and requests to these domains should be forwarded to and How can I configure like this?

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DNS Lookup Timeout From Googlebot Indexing Webpages

Jul 4, 2007

One of my customers uses Webmasters Tools from google , looking at what pages he have indexed by Googlebot, found that 180 pages are giving a "DNS lookup timeout" error, tried searching for help on google and the only thing that i found is " We received a timeout on DNS lookup."

DNS are ok, same as the zone file, everything is responding OK, I dont know what can be the issue.. ? any ideas ?

Im using Ensim Pro and RHES 4.

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Network - DNS Lookup Error At Random Times

Sep 27, 2009

I regularly have DNS issues with some of my sites hosted with a specific host... At random sites, the urls done resolve and I get a DNS error.
Just to find out that a few hours later it loads again without issues...

I always thought it had something to do with my ISP... My host says that there's nothing wrong with their DNS.
However, I asked a few people now and it seems they're having DNS problems too sometimes when accessing the problematic urls...

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Apache :: OpenSSL 1.0.2 - Symbol Lookup Error

Feb 20, 2015

I'm getting the below error message when trying to perform "configtest" after upgrading apache to 2.4.12 version with success.

/home/apache/bin/httpd: symbol lookup error: /home/apache/bin/httpd: undefined symbol: SSL_CONF_CTX_new

Note: I received the error after recently upgrading my openssl to 1.0.2.

Just wonder how to get rid of the error message.

Running on Ubuntu Server 12.04.05 LTS 32bit.

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Need CURL Enabled

Apr 9, 2009

I have a Linux-Debian server, I have Apache2, PHP ect setup for a basic website im running on it too, However I need cURL enabled, I cant seem to find any options in the php.ini files to enable cURL at all.

I know that you just uncomment it to enable it however I dont see it at all, even it being disabled. I opened it in notepad and used the SEARCH feature and it couldnt find it eithier.

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CURL Library

Jan 9, 2009

Do you know what cURL Library means?

I have seen that in reseller plan.

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Install CURL

Oct 14, 2009

I got some one to help me install cURL. Now all I have to do is change the permissions for the /usr/bin file for the crons and such.

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How To Downgrade CURL

May 8, 2008

I'm now running curl 7.18.1 and would like to donwgrade it to the previous version.

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Curl & GD On PHP5.2.5

Apr 12, 2008

I have PHP 5.2.5 compiled with GD library working on my webserver,
yesterday i wanted to add Curl Support, so i had to recompile php.

I downloaded and installed Curl latest version and tried to recompile PHP :


I can't get it working, this is the error i get :


checking for T1lib support... no
checking whether to enable truetype string function in GD... no
checking whether to enable JIS-mapped Japanese font support in GD... no
checking for fabsf... yes
checking for floorf... yes
If configure fails try --with-jpeg-dir=<DIR>
checking for png_write_image in -lpng... yes
If configure fails try --with-xpm-dir=<DIR>
If configure fails try --with-freetype-dir=<DIR>
configure: error: GD build test failed. Please check the config.log for

I think i'm not the only one who is experiencing this problem, take a look here:

Why do don't give much importance to this BUG?

I'm using the same OS : Centos 5

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Curl And Emails

Dec 5, 2007

I wanna install curl on my server its Centos 4.5 and SL told me I have around 30K mails pending on the serve can anyone tell me how to remove them from pending?

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Installing Curl?

Mar 16, 2007

I am trying to install curl on my server...

wget [url]
make install
ldconfig -v

This is what I haved done so far. Where do I go from here?
"Then use --with-curl in PHP's configure" this was the last step on the instructions but i do not know what it means.

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