Domain Name Service, a method of converting a textual doman name to an IP address

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2011 MacBook (10.6.8) connects to AirPort but intermittently won't connect to webpages

I have never experienced this problem before. I know that the problem is not the internet, because the internet works fine on all my other devices, both Windows and Mac. I brought my MacBook in to the ...
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2answers
66 views

How do I include my own zone file in /etc/com.apple.named.proxy.conf

When I enable internet connection sharing, a local named DNS nameserver is started that uses the file /etc/com.apple.named.proxy.conf for configuration. My internet connection sharing is configured ...
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435 views

DNS Zones not working after OS X 10.8.5 upgrade

Prior to upgrading from OS X 10.8.4 to 10.8.5, I had the following DNS zone file in place that worked perfectly fine - now it's failing: ; ; BIND data file for dev sites ; $TTL 604800 @ IN ...
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79 views

DNS resolution temporarily failing

Macbook air mid-2012 w/ Mountain Lion. Whenever I wakeup from a long sleep and also on some random moments when it's on, i get DNS resolution failures for every server, with nslookup saying ;; ...
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1answer
292 views

Name resolution is using proxy server over my local DNS server

I'm running a local DNS server to resolve .dev as a testing domain on my machine, the resolution works fine and shows the proper answer through dig and ping and I can pull the home page instantly with ...
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Added website with a subdomain on Mountain Lion server couldn't be found on other machines

My server is accessible via example.com and I want my website to be accessed via sub.example.com. I added a website to Mountain Lion server with domain name that's actually a subdomain; ...
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2answers
57 views

Trying to find the /etc/resolve

I'm trying to connect a Macbook Air running 10.8.4 to a Windows 2008 R2 server. I have run into trouble as we use a company.local. I think this may be the problem: ...
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215 views

My internet in my MBP gets really slow or stops when I connect to my router

My internet gets really low (0.8 - 0.2 kb/s) or really just drop to 0, it started 3 months ago. I use "Automatic" and another using Googles Public DNS for my location. I am using wifi on my MBP to ...
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Can't access specific websites with Macbook Air (10.7.5 Lion)

This has really baffled me: While my internet connection works, I can't access specific websites with Safari (or any other browser for that matter). I don't get a 404 page; Just an error message that ...
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316 views

Intermittent temporary DNS resolution failure in web browsers

None of the suggested questions had these precise symptoms. On my mid-2010 27" iMac I sometimes am unable to resolve a certain domain for only minutes at the time. Seemingly at random and very ...
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474 views

How to I display the current DNS servers from the command line under OS X?

I want to display the DNS serververs that are used by the current network setup on OS X, from the command line.
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92 views

How do you enable DNSSEC?

I've tried following guidance such as this: https://gist.github.com/notthetup/5381693 And while I've been able to upgrade bind, edit the necessary configuration and restart the service all the tests ...
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309 views

/etc/hosts gets overriden

What is the correct way of editing /etc/hosts? I want to add some ip addresses/names to it. It works for a while (a few hours) and then it gets reverted back to the original version. Is there any ...
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196 views

Local DNS circumvented when WiFi is active

I am using Mac OS X 10.8 to connect to two networks through ethernet and wifi and I am experiencing a problem with local DNS resolution. I would really appreciate your advice. I am simultaneously ...
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2answers
874 views

Lion resolving DNS names when querying server directly, but not when used in a command or app

I've recently (as in minutes ago) added a hostname and reverse (A and PTR) records for a hostname on my internal network, using a Bind DNS server. For some reason, i can both dig and nslookup this new ...
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How long does the DNS cache last in Mac OS X?

I know I can manually flush the DNS cache, e.g. with sudo killall -HUP mDNSResponder. But how long will the cache last if I don't do this? Does it reset on a reboot?
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175 views

How to prevent sending of hostname via DHCP?

I am trying to prevent OS X from sending its hostname to the DHCP server. For example, in OpenSuse systems there is DHCLIENT_HOSTNAME_OPTION="AUTO". I cannot find a similar option in OS X for this, ...
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1answer
153 views

Lion server DNS problem with .private

I have just installed a lion server on my home network. I want to use it as a .private. Domain. I have implemented the VPN connection for external users via port fwd on my apple time machine router. ...
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103 views

Something keeps directing sub domains back to my own local host 127.0.0.1

I run mamp pro locally for web development and for each site I have internal maps for: domain.com = remote dev.domain.com = remote domain.dev = local I expect domain.dev is handled by mamp on my ...
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1answer
287 views

Change of IP / Configure AirPort Extreme

Earlier today our IP Address changed due to misconfiguration caused by our ISP. I'm trying to ensure our IP won't change again. So I spoke with our ISP and they assigned us a static IP (we were ...
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1answer
80 views

Finder slow after wake up from standby mode

I have 4 or 5 Network shares in my Favorites bar in the Finder. Any time the Macbook wakes up from Standby, the Finder takes forever to show up. If I remove the Network shares from the Favorites bar, ...
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1answer
186 views

How to host Etherpad (node.js) AND create a closed Wifi network from the same Mac?

I have a successfully running Etherpad install running on my Mac, and when clients on my network connect to my node.js server through the IP address assigned by my router, all is well. But I'm going ...
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How do I add custom DNS server and preserving default DNS of ISP in OS X Mountain Lion

I'm using OS X Mountain Lion. I'm using dnsmasq to set up wildcard localhost domain names, such as http://local.dev, to point to localhost. But I have to add 127.0.0.1 in my system preference -> ...
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3answers
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Where could I get my networks domain name?

I am trying to determine domain name of my network. I tried some programming methods, commands but i could not get domain name of my network.I got ip address using cat /etc/resolv.conf I was doing ...
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1answer
320 views

Cannot ping localhost

I have setup a new MacBook Pro retina, things were going well but now I cannot access localhost. $ ping localhost ping: cannot resolve localhost: Unknown host My /etc/hosts file is fine, or at ...
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255 views

Preventing google search for custom top-level domain

How can I prevent safari to redirect the user to the google search page for addresses with custom top-level domains? Given an address of the type http://application.test where test is a primary zone ...
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623 views

Mac equivalent of /etc/nsswitch.conf for PHP chroot

I've setup a chroot for my PHP server running behind nginx on mac. It works except for any call to a CURL request fails with an error like cURL resource: Resource id #43; cURL error: Couldn't resolve ...
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707 views

AirPort Extreme, OS X Server, DHCP and Dynamic DNS

I have a AirPort Extreme and OS X Server (Mountain Lion). On my local network, I have a number of OS X, Windows, Ubuntu and other machines using DHCP to obtain network addresses. Almost all ...
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1answer
31 views

Setting a specific dnsentry

I have a server running at port 4433 on my localhost machine. I'd like to refer to the service as http://mytest.com:4433 from the browser or any script that I write. How could I set the DNS on OSX to ...
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358 views

Custom Local DNS entry ignored

I'm using dnsmasq to route requests to .lh hosts to my vagrant server currently running on 192.168.0.5 on Mac OSX 10.6. scutil --dns returns the correct resolver info: resolver #9 domain : lh ...
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53 views

named (bind DNS) not quitting

I am trying to quit named, but it keeps popping up. I tried removing the configuration an key files, unloading it from launchd, you name it. Yet it keeps starting. How do I kill it permanently?
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Another DNS name resolution trouble!

The problem I have OS X Mountain Lion, latest updates installed. Randomly after boot, I have no network connectivity from a user perspective. Web browsers are unable to display pages, no mail to ...
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Shared Internet apply /etc/hosts

How do I make those who connect to me via a shared internet connection use my /etc/hosts file? I was thinking something along the lines of creating a DNS server, but I was hoping maybe there is a ...
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1answer
129 views

Browser (Safari, Chrome, Firefox) routes to incorrect server for domain

I purchased a new domain for my website at Hover.com. I pointed the name servers to my host provider. Everything works smoothly when I access the site on my iPhone, iPad, on my roommate's laptop, or ...
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3answers
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How does the iPad expose its host name over the network?

When I connect my iPad to the wifi network at work, I can ping it by name: ping my-ipad. Clearly the router is somehow exposing it via DNS, or something like that. But when I connect my iPad to the ...
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Strange domain name appears in Sharing Preferences, source unknown

First of all before anyone asks, I have already set my DNS name in the Terminal with scutil, which is reflected on the Terminal prompt and returned by the hostname command. I also understand that this ...
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Airport Extreme Name Resolution

I have a little issue with my airport extreme. I'm using the device in my corporate network which has two DNS server for resolving intern and external names. When I do an nslookup "public adresse" ...
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1answer
691 views

Ethernet Working but No Internet Connection

In my office, nearly everybody uses Mac and we have just only one Windows 7 system. Just this morning, all the Mac systems (10.8.2) could not connect to the internet but could connect to the network, ...
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1answer
215 views

Cannot Resolve Host

For some reason my system will not resolve hosts added to /etc/hosts. If I add an entry: 127.0.0.1 somename.dev It won't resolve. If I add this, however: 127.0.0.1 somename.dev ::1 somename.dev ...
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1answer
256 views

Mountain Lion firewall is randomly delaying DNS requests

I recently experienced some delays during DNS host resolution on OS X 10.8. To test it I started a simple script which tries to repeatedly resolve the same hostname 20 times: #!/bin/sh for i in `seq ...
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3answers
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Dig not returning authority section?

Digging wikipedia.com, on my Macbook Pro, returns: $ dig wikipedia.com ; <<>> DiG 9.8.3-P1 <<>> wikipedia.com ;; global options: +cmd ;; Got answer: ;; ...
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1answer
450 views

Periodic problem with DNS resolution

Since a few days, the DNS resolution stops working for random amounts of time, a few seconds to a few hours (I logged it with a simple script). It sometimes goes back to normal without any ...
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1answer
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Mac Frequent SSL errors when trying to reach google.com

On my mac, I often try to go to Google.com and chrome gives me an error: "You attempted to reach www.google.com, but instead you actually reached a server identifying itself as www.apple.com. This may ...
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3answers
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nslookup & dig fail; ping, traceroute, and scutil -r work

I'm running on 10.8.2. All of a sudden, traditional nameserver lookups are failing on my machine: $ nslookup www.att.com ;; connection timed out; no servers could be reached $ dig www.att.com ; ...
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686 views

How can I set up Macs with dynamic IP addresses to update a server with a static IP?

I have several clients who have Airport Extremes and Macs at their houses. They all have dynamic IP address from their ISP. I want to have their Airport Extremes register their IP addresses with my ...
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320 views

Why are DNS server addresses lost after reboot?

I applied OpenDNS server addresses to Network Preference > Advanced > DNS. These were applied first under user account, then believing I needed to apply as Admin. Yet upon reboot they're replaced ...
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1answer
239 views

10.8.2 DNS in hosts lookup slow

As a web developer, I need to make a domain redirect to localhost. I modified the hosts file to do that. But I don't know why it always took so long to do the lookup. How can I solve this?
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How do I configure dynamic DNS when my router does not support it?

I have a MacBook which is connected to the net via an ancient DSL router (NAT enabled). I want to SSH into the server from elsewhere, but my ISP assigns new IP address every once in a while. I would ...
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1answer
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Do /etc/resolver/ files work in Mountain Lion for DNS resolution?

Can anyone tell me if adding a file under /etc/resolver will work for DNS resolution using a DNS server other than what is handed out via DHCP ? My issue is that I want to use OpenDNS for a clients ...
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298 views

Changing WiFi settings separately

I'm using 2 WiFi networks with my MacBook Air. I need to switch between them sometimes. The problem is one needs completely different settings from the other, and it looks like I can only make ...