93
votes
17answers
190k views

Why is 'ping' unable to resolve a name when 'nslookup' works fine?

On my Windows XP workstation, I can find the machine I want to connect to in DNS with nslookup:nslookup wolfmanServer: dns.company.comAddress: 192.168.1.38Name: wolfman.company.comAddress: 192....
63
votes
4answers
7k views

How do web servers know whether you're using direct IP address access?

Some web servers, when accessed using their IP address, return an error that direct IP address access is not allowed.I've been wondering for some time how this works. I mean, doesn't the browser ...
48
votes
2answers
56k views

How to get VirtualBox VMs to use host's DNS?

I use VirtualBox for my VMs. My office network setup is wireless, i.e. I connect to my company's WiFi network, which has a local DNS to resolve local names (such as something.mycompany.com going to ...
44
votes
7answers
35k views

Does using OpenDNS or Google DNS affect anything about security or gaming speed?

I used to use google DNS and OpenDNS long time ago, didn't notice any improvements. I recently heard a security expert saying that OpenDNS is the best way for malware protection. But found out that ...
32
votes
3answers
112k views

Is there a good DNS server I can install on Windows 7 for a LAN? [closed]

I have a few computers on my LAN, and now I'm getting tired of remembering the IP addresses all the time, so I would like to start using DNS names on my LAN.I have a heterogeneous network with ...
25
votes
4answers
220k views

Why can't Chrome load a web page? ERR_NAME_NOT_RESOLVED

Chrome gives this error, yet I can ping the server!The server at www.odesk.com can't be found, because the DNS lookupfailed. DNS is the network service that translates a website's name toits ...
22
votes
3answers
4k views

Why does the registered domain name “localtest.me” resolve to 127.0.0.1?

I was reading an article about Server-Side Request Forgery. In that article the attacker found that 127.0.0.1 was open to the internet. The victim then blocked 127.0.0.1, but because many other IPs ...
21
votes
2answers
114k views

Why should I use DNS 8.8.8.8? [duplicate]

Possible Duplicate:Google's DNS service: Google public DNS I was asked to put 8.8.8.8 as an alternative DNS server.Through whois I found that the IP address corresponds to the host google-...
20
votes
9answers
5k views

Google's DNS service: Google public DNS

Google declared their free DNS service, Google public DNS:To try it out: Configure your networksettings to use the IP addresses8.8.8.8 and 8.8.4.4 as your DNS servers.They claim that:...
20
votes
1answer
111k views

Unable to access most internet sites error DNS_PROBE_FINISHED_NXDOMAIN

I have problems accessing most websites, only a couple work (grooveshark, google, facebook). On almost all others I get errors. Here is what I got using different browsers:Opera: This website is not ...
17
votes
2answers
6k views

How will home networks work in the IPv6 world?

Right now, I have a home network setup behind a Netgear router. That router has a public IP address I get from Comcast. I also have a computer setup on my home network running Linux that runs a DHCP ...
15
votes
3answers
2k views

Application requires IP address, need it to go to domain

We use a (poorly-designed) application that requires the IP address of our corporate office which has a static public IP address. However, when our failover internet kicks in, it obviously has a ...
15
votes
1answer
68k views

“Network is unreachable” when attempting to ping google, but internal addresses work

I can get to other PCs in my house on the 192 network, but trying to go outside gives me the "network is unreachable" message. p3p1 is up with a good IP Address. Running Fedora 16. What should I ...
13
votes
2answers
60k views

how to add entry to local DNS resolver [closed]

I want to do some tests on linux. I want to put a small web server on a machine with IP: 1.2.3.4 (assumption) and when a DNS query is made for a specific URL : kitty.myweb.com I want to return this IP ...
13
votes
3answers
8k views

How does DynamicDNS act immediately?

My understanding of the core functionality of DNS is to provide a naming/mapping service between domain names (e.g. blah-whatever.com) and IP addresses (e.g. 100.2.3.4).Furthermore, my understanding ...

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