some domains work but some dont?

hehachris

hehachris

Verified User
Joined
Nov 24, 2004
Messages
534
Location
Hong Kong
i m using Fedora Core2 with DA installed

my server hosted 25 domains
but there are some strange problems.

1) sometimes, some domains are working, but some don't.
i need to wait until the domains work again

2) for example, xxx.com can be visited, but sub.xxx.com cannot!

3) abt FTP. sometimes again=(
sometimes, i can connect to ftp.xxx.com
but sometimes it doesnt work, i need to del 'ftp.' -> xxx.com to connect

can anyone kindly tell me why these happened?
 
Sounds like DNS issues to me, have you got a sample domain for us to see what's happening DNS-wise?

Dan
 
Your domain works.

The subdomain forwards to a DA placeholder page.

The only problem reported by DNS Reports is that there's no reverse DNS for the mx destinations. While this is rather bad as far as email is concerned, it shouldn't affect your hosting at all.

The only way anyone is going to find a problem is by being lucky enough to be logged in when it's happening.

If pressing "reload" in your browser window makes it work, then the problem is most likely with your bandwidth rather than with your server.

An overly busy server could have this sort of problem from time to time. Check your server load the next time it happens (use "top" from the command line prompt) and let us know.

Jeff
 
some clients dont use domains (.com, .net)
but they use sub-domain(xxxx.mydomain.com) as it is free

i type xxx.mydomain.com in the domain fill when i am creating the user, am i correct?


i wonder if it is the dns problem...
just now, a client have told me many images on his page are broken, but when i took a look, its ok-.-
he said when he browsed the link of the images in IE, an error occured:
Network Error (dns_server_failure)


Your request could not be processed because an error occurred contacting the DNS server.
The DNS server may be temporarily unavailable, or there could be a network problem.

but i cant find this problem...



the server load is always low...
Cpu(s): 0.0% us, 0.7% sy, 0.3% ni, 98.7% id, 0.2% wa, 0.2% hi, 0.0% si
but....

Tasks: 185 total, 1 running, 183 sleeping, 0 stopped, 1 zombie
Cpu(s): 0.0% us, 1.2% sy, 1.7% ni, 96.5% id, 0.0% wa, 0.3% hi, 0.3% si
Mem: 1027536k total, 1007424k used, 20112k free, 120292k buffers
Swap: 2040244k total, 0k used, 2040244k free, 688048k cached

PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
11272 mysql 22 6 122m 47m 3912 S 2.0 4.8 0:11.46 mysqld
15216 apache 19 4 0 0 0 Z 1.7 0.0 0:00.06 httpd <defunct>
15223 root 16 0 2044 972 1620 R 0.7 0.1 0:00.05 top
14946 apache 20 4 44076 22m 34m S 0.3 2.3 0:01.38 httpd
14968 apache 19 4 44156 24m 34m S 0.3 2.4 0:01.18 httpd
15083 apache 19 4 44216 21m 34m S 0.3 2.2 0:00.65 httpd
15097 apache 19 4 43988 21m 34m S 0.3 2.1 0:00.53 httpd
15195 apache 19 4 42292 18m 34m S 0.3 1.8 0:00.14 httpd
15206 apache 19 4 42488 18m 34m S 0.3 1.8 0:00.09 httpd

is it strange? PID11272 used 2% of CPU, but the total cpu load is 0% @@?!
 
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