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

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59
votes
13answers
112k views

DNS not resolving on Mac OS X

Some of my coworkers are having troubles on their Macs - DNS resolution does not work under Mac OS X. They're running Snow Leopard 10.6.8. They can use DNS in a Windows 7 virtual machine (VMware ...
12
votes
4answers
27k views

Discoveryd Alternative to Replace mDNSResponder Argument?

This is a direct follow-on to this question. Before Yosemite, I'd add the "-AlwaysAppendSearchDomains" argument to the mDNSResponder plist file so that all local resolver lookups added the search ...
7
votes
3answers
67k views

How can I change the cellular DNS server on iOS?

Is there a way to set a global DNS server that will be used for all connections (both Wi-Fi + cellular data)? If there isn't a uniform manner to specify DNS, can I just change the DNS used by the ...
15
votes
1answer
14k views

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 ...
16
votes
1answer
21k views

Yosemite Cannot Resolve Domain Names

So I know Apple removed mDNSResponder in Yosemite, but it appears that a bunch of apps are still trying to interact with it and failing Oct 20 10:57:00 Nicks-MacBook-Pro.local configd[25]: ...
2
votes
1answer
154 views

Using Server 5.0.15 to share internet WITHOUT internet sharing

I am running a mid 2010 MacMini as a server. OS X 10.11.3 and Server 5.0.15. I am connecting to the internet on the built in Ethernet (Ethernet) and have a USB to GigaBit Ethernet adapter (Ethernet 2) ...
2
votes
1answer
2k views

Mac Mavericks 10.9 DNS problem with specific addresses

A number of network addresses appear to be unreachable from my computer (Mac Mavericks, 10.9.2). For example I do not see any images on wikipedia. Today's featured article does not show the image ...
22
votes
6answers
27k views

DNS lookups fail with e.g. `ping`, but work with `host`

I'm using pfSense 2.0rc3, and I've set it up as a DNS forwarder and enabled "Register DHCP leases in DNS forwarder" and what I understand are all the appropriate settings to get DNS server for local ...
15
votes
4answers
16k views

How can I quickly change DNS server

I often like to use a non-network specific DNS server (like Google's public DNS 8.8.8.8). However, many public wi-fi locations won't load their "terms of service, click here" page during the ...
16
votes
6answers
26k views

OS X 10.10.1 /etc/hosts & /private/etc/hosts file is being ignored and not resolving

Like the title says, running os x 10.10.1. if i have an entry in my hosts file and do a dig or nslookup it still shows a different IP than what is in my hosts file even after trying to flush various ...
8
votes
4answers
11k views

List DNS servers in Mavericks

How to check which DNS server was used to resolve particular hostname within VPN network? I am using company-provided proprietary VPN client and want to see DNS server's IP address, but ...
3
votes
2answers
692 views

Unable to revert changes to hosts file in OS X Lion

I edited the hosts file and added: 10.0.0.1 devsys.crossreader.net Later I commented out the entry: #10.0.0.1 devsys.crossreader.net When I ping or browse to devsys.crossreader.net the returning ...
17
votes
10answers
26k views

Mac OS X Mountain Lion - DNS resolving uses wrong order on VPN via dial-up connection

I am using a MacBook with Mac OS X 10.8.2 and connect to my company's network via VPN. Everything works great when establishing the VPN connection via LAN or WLAN. However, when I use a dial-up ...
21
votes
4answers
21k views

How can I get OSX Mavericks to notice a DNS change in `/etc/hosts`?

A common way to "block" a website (eg, to eliminate it as a distraction) is to edit /etc/hosts and point the domain to the loopback address. Eg: # Stop goofing off 127.0.0.1 youtube.com On ...
6
votes
3answers
5k views

How to add some additional DNS search domains without ignoring the DHCP ones?

I just want to add my own list of Search Domains but without overriding the ones returned by the DHCP? As anyone would imagine I already tried to add them to Network > Advanced > DNS but adding them ...
4
votes
1answer
3k views

Alternative to AlwaysAppendSearchDomains on Yosemite? [duplicate]

Since Lion, I have used the AlwaysAppendSearchDomains trick on mDNSresponder to resolve names with dots in search domains. In yosemite this doesn't work any more. In fact, mDNSresponder doesn't seem ...
9
votes
2answers
9k views

How do I flush the DNS cache on a OS X 10.6 machine?

Trying to flush the local DNS cache. How is this done on Snow Leopard? Using System Preferences and using the terminal?
5
votes
1answer
353 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 ...
6
votes
3answers
5k views

Internet Sharing handing out wrong DNS server address

I'm using a MacBook Pro with OS X Mavericks 10.9.2. It connects to the internet via a USB 3G dongle, and I want to share that internet connection via wifi. However, on devices that connect to the ...
2
votes
1answer
945 views

OS X assumes hostname of other network computer: how to prevent this?

I just came across a strange quirck: I use my MacBook Pro in the office. Every computer is assigned their IP addresses by a DHCP server. It seems to be the case now, however, that my OS X changed my ...
2
votes
1answer
1k views

Mac doesn't recognize hosts on local network

I have a Linux server in my cupboard. My Windows machines can connect to it via its hostname. I have never configured any DNS server; all I did was assign the Linux box a name when I installed Ubuntu ...
1
vote
1answer
4k views

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?
1
vote
1answer
518 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 ...
3
votes
4answers
12k views

Why will my Mac only load Google and Facebook?

I'm running into this really strange problem on my 2013 iMac at home (running Mavericks): the internet will work for a while, then at some point it will stop being able to load any websites except for ...
2
votes
2answers
3k views

Deleted com.apple.mDNSResponder.plist in Mavericks, how to get it back?

I already had trouble with DNS not resolving for all apps except Chrome, in my troubleshooting I for some reason deleted com.apple.mDNSResponder.plist Deleting this file did not help in any way.. ...
2
votes
0answers
415 views

Browsing to a nested subdomain resolves wrong page

Our corporate network has some web applications hosted in a nested subdomain hierarchy. A "subdomain's subdomain", as you will. For example: Root-> http://*.mydomain.com (resolves to: 192.2.2.200) ...
1
vote
2answers
5k views

How do I get rid of browser redirect malware?

I am using Mac OS X Leopard on a MacBook Pro. I must have been very careless at some point, since I managed to let some malware install in it. While browsing I get randomly redirected to different ...
0
votes
0answers
63 views

macbook not working with home wifi

My home wifi works with everything but the macbook(2015 early, osx el capitan). My mac works with other wifi networks but not my home wifi. It's an arris tg862 router. Heres what happens: I open up ...