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  • Status: Solved
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Unable to access one web site

Hi all,

I have a 3-person client who for some reason is unable to access a specific web site suddenly. They had this issue once before about 6 months ago and a lot of rebooting of the server and router eventually seemed to fix it.

The problem has returned abd I'm at my wits end trying to figure it out. I've tried accessing the same web site from a half-dozen other locations and it's fine. However, from inside this little network not only can I not get to the web site, I can't even ping the IP address. I've had them restart their router and I've flushed the DNS, but still no good.

Any ideas on what this can be?

Thanks in advance for any replies.

Tom
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tgreendyk
Asked:
tgreendyk
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1 Solution
 
BillBondoCommented:
Maybe they are blacklisting you????
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tgreendykAuthor Commented:
Thanks for the reply. I confess that I thought blacklisting was associated with emailing and things like MX records, not web browsing, although I assume they wouldn't be able to email anyone at that domain as well.

I checked using mxtoolbox and they don't appear to be on any blacklists.

I'll look into it further, though.

Thanks,

Tom
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msallamCommented:
If you already checked the blacklisting issue pointed out by BillBondo, then most probably it will be for one of two reasons:
1. DNS.
You can verify this by checking from any command line tool (nslookup, if Windows, or dig , on Linux). If it failed then you to troubleshoot more on DNS' side.

2. Network.
You can check this by trying to telnet the hostname or IP on port 80 (or 443 if  https).
If it failed then you need to check more on the network side, probably some routing issue or firewalls.

Check and let us know.
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tgreendykAuthor Commented:
I ended up power cycling the Comcast router and works now. I have no idea what would happen inside a router to kill one web site comletely, but it ended up being a network issue.

Thanks!

Tom
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