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

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Apple Developer DNS Broken

I'm trying to create a developer account at developer.apple.com, but every time I click "Register", it says the server at developercms.apple.com couldn't be found. Is this happening to anyone else? ...
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1answer
25 views

Is /etc/resolv.conf changed every time my DHCP lease changes?

I'd like to fire an event via launchd whenever my DHCP lease changes the IP on my WiFi interface. My question is similar to what's being asked in this question, which makes me thing I can watch ...
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1answer
31 views

Unable to ping hostname.local

As seen below the given hostname is not pingable presently. 19:42:43/lib $hostname mellyrn.local 19:42:55/lib $ping mellyrn.local ping: cannot resolve mellyrn.local: Unknown host Note that the ...
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1answer
36 views

Manually clear dns cache on mavericks

My DNS cache is broken for a few websites (most notably codeship.com) so I need to clear it. As instructed on numerous websites I've run dscacheutil -flushcache; sudo killall -HUP mDNSResponder in ...
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1answer
146 views

DNS doesn't work properly in OS X Yosemite

There is a problem with resolving DNS in my OS X Yosemite. Safari doesn't load web sites, ping says "unknown host" to google.com. DNS servers set to 8.8.8.8 and 8.8.4.4. dig google.com Gets ...
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1k 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 ...
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1answer
105 views

Cannot reach a .local domain without setting an option with discoveryutil

I have a .local website at: mysite.myname.local If I try to http mysite.myname.local in a browser, nothing happens. If I 'ping mysite.myname.local', it reports 'ping: cannot resolve ...
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45 views

3TB Airport Time Capsule (FW 7.7.3) Incorrect DNS address delivered by DHCP

3TB Airport Time Capsule (FW 7.7.3) DHCP sends the correct DNS address to hosts for the Primary network, but sends the Gateway address for the Guest network. If I correct the DNS manually on a host, ...
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1answer
55 views

Mavericks Server: DNS: Increase forwarder timeout

The question: How can I increase the timeout for querying the forwarder DNS on OS X Server 3.1.2 ? I get DNS errors, which I believe could be solved by increasing the timeout for querying the ...
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193 views

Yosemite 10.10.1 - ssh - no connection (time-out) and strange redirect

I hope I can get some help with a rather strange problem on my late 2013 MacBookPro running Yosemite 10.10.1 Up until 3 days ago, I could ssh into my server without any problems. I then updated to ...
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3answers
98 views

DNS works in terminal but not elsewhere in Mac OS

I have an issue similar to the one in this question DNS not resolving on Mac OS. Things out on the Internet work fine. Local machines in my company, however, fail to resolve, including the servers ...
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15 views

Monitor DNS queries by IP

I'm running DNS on a Mac Server V2.4. I want to log all DNS queries made - is there a way of doing this? TCPdump only shows me whats happening at a moment in time and is difficult to read, what other ...
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43 views

Why won't OS X query multiple DNS servers

I have found that in all my years of use with Macs, multiple OS versions, multiple hardware configurations, that it never queries anything but the primary DNS server. Why is this? We have spun up many ...
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55 views

iPhone 6 & Verizon: Tethering established over IPV6 only — IPV4 websites don't work

This issue happens periodically (but it seems to survive reboots). It seems when tethering I'm assigned an IPV6 address & IPV6 DNS server, but no IPV4 addresses. I'm able to use google services ...
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38 views

How do I display in console the domain names used by the OS X 10.10 DNS resolver?

I want to display the list and order of domains used by the resolved on OS X 10.10. I know that they are taken via DHCP and you can overwrite them using network configuration tool but connecting to ...
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147 views

Authentication Server could not be contacted

Our OS X Server machine has had no issue at all with being in the Windows AD domain right up until we updated it to OS X 10.10. Now it behaves bizarrely, refuses to connect to our Exchange mail ...
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104 views

DNS/Routing issue when connected via Wi-Fi and USB Modem at the same time

Before I updated to Yosemite, I used to connect to the internet via Wi-Fi and a USB Modem at the same time. I'd set my Wi-Fi connection to have priority over the USB Modem (using the Network ...
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84 views

iOs Simulator ignoring Hosts file

I'm actually working on a website development and I configured all the needed hostname on my /etc/hosts files. Actually in our office we use an internal DNS for the QA servers and we override ...
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0answers
238 views

Seeing discoveryd error: Basic DNSResolver Return Code is 9 and we are treating it as an error!

Seeing this repeated pretty frequently in the Console logs for on my Macbook Pro running 10.10: 10/24/14 9:59:04.175 AM discoveryd[57]: Basic DNSResolver Return Code is 9 and we are treating it as ...
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1answer
6k 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]: ...
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8k 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 ...
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57 views

Does the Airport Extreme support wireless roaming and guest network?

I'm looking to purchase two Apple Airport Extreme base station units to use as wireless access points only. They will be connected via Ethernet to my network closet. Internet gateway is handled by my ...
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65 views

Changing /etc/hosts not getting affected

I have added the following line in my /etc/hosts: 127.0.0.1   myapp.corp.com so my full /etc/hosts looks like: 127.0.0.1 localhost 127.0.0.1   myapp.corp.com 255.255.255.255 broadcasthost ::1 ...
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156 views

Why is my iMac the only device that has network problems?

I was trying to solve my internet/DNS problems on my iMac but nothing does make sense to me and I need some help on this ^^ Since I moved to another place and now have another ISP, I started ...
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1answer
222 views

How to add a wildcard host entry to Mac OS X Server's DNS

I have set up a Mavericks Mac OS X Server machine for my lab, and I am using the DNS service for my own domain. Without getting into too many complicated details, I need to populate this local DNS ...
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1answer
34 views

Configure to Select DNS based on Domain

At my office, I have a hardware VPN with a split tunnel that routes all my traffic either to the public internet or to the other office, depending on IP address. However, to resolve the intranet ...
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1answer
144 views

Use “options ndots:2” in global DNS resolver

Until yesterday, I regularly ssh'd into my servers that have names like "server.prod.example.com" as "server.prod" and it worked fine. (Actually, this required getting mDNSResponder to start with the ...
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16 views

Which DNS server is actually being used? [duplicate]

How can I find out which DNS server is actually being used for domain name queries? I am trying to find out whether DNS queries go through my organization's VPN. I need to know this to have an idea ...
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0answers
47 views

Back to Mac service when using Unlocator DNS

I have a Mac Mini at home that I would like to connect to using the "Back to my Mac" service. Normally it works just fine. But if I update my Apple Airport Extreme with DNS from unlocator.com (or ...
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1answer
163 views

Troubleshooting DNS

I'm having a weird problem where the system-wide DNS resolution doesn't work, but I don't know how I could fix that, or even find a log (coming from Linux). I manually configured 8.8.8.8, 8.8.4.4 as ...
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1answer
82 views

Getting home.dev to resolve to 127.0.0.1

In my hosts file I have: ## # Host Database # # localhost is used to configure the loopback interface # when the system is booting. Do not change this entry. ## 127.0.0.1 localhost 255.255.255.255 ...
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121 views

Customized default user profiles randomly not loading

I manage Macs in public computer labs and classrooms at a university. My general set up is as follows: Clients are running 10.8.5, OD Masters are running 10.7.5. Open Directory Master to manage ...
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1answer
176 views

How to change computer name so terminal displays it in mac os x maverick?

I have a Mac Server 3.1.2, w/ system 10.9.4 that is not being used as DNS Server. Windows Server 2012 is DNS & DHCP server. On the Mac, Terminal cannot ping hostname of mac, however, it does ...
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1answer
479 views

DNS resolves servers external IP instead of internal IP

I'd like to access a web server from both inside and outside my home network. I then have my firewall (pfSense) named as example.com. From within my network, I can access every machine by it's fully ...
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1answer
1k 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 ...
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168 views

What side effects, if any, are there from issuing scutil --set HostName 'Fred'?

I have read that you can change all of the three "computer names" associated with a Mac using the scutil utility. The three names in question are ComputerName (the "friendly" name), LocalHostName ...
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1answer
2k 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 ...
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28 views

_mdnsresponder generates 5‘000 DNS requests/s

On our network with several tens of thousands machine we notices several OS X machines that from time to time begin to send more than 5000 DNS requests per seconds. We were able to identify some of ...
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1answer
140 views

Safari OCSP/CRL Checking Causing Connectivity Failure

I'm currently implementing an 802.1X network authentication system using Cisco ISE for one of our customers. Our solution requires users (with personal devices) to connect to an open SSID network, ...
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1answer
66 views

Mavericks frequently doesn't resolve any hosts after router switch; pings fine

After a switch to a new router, I frequently experience that all sites fail to resolve under Mavericks 10.9.4 on MBA mid-2011, both with Safari, Chrome and pinging google.com. It lasts for variable ...
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0answers
142 views

DNS Lookup Failure on Terminal Only (Mavericks)

I recently did a clean install of Mavericks, and ever since I have, I've been having intermittent DNS lookup failures on the terminal only. Browsers work fine (Chrome, Safari). But nothing works ...
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165 views

OS X, connection drop downs, socket closed prematurely, mDNS

I have big problem with my OS X Mavericks Wi-Fi connection. I have tried calling my ISP (now we have stronger AP antenna), NVRAM reset, OS X reinstall, run own DNS local with dnsmasq, manually set IP ...
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1answer
242 views

What does it mean when I get a server failure when connecting to a router with DNS protocol

I'm currently attempting to debug a Super Duper startup problem where it takes between 10-15 seconds to start up on my machine when wireless/internet is turned on. I have communicated with Dave from ...
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2answers
1k views

How to specify DNS on iOS when connected via VPN?

I have set up a VPN connection using my FritzBox 6330. This works great on my Macbook Air if I specify a DNS server (192.168.178.1 - which is the address of my FritzBox) in the network settings of the ...
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1answer
1k views

Using VPN and Wifi at the same time

I have a VPN to connect to my school's IT department (I volunteer with them), but I am having a problem. I have added the VPN to the Network Interface list in System Preferences, and can connect just ...
2
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1answer
683 views

Configured Airport as Bridge and use OS X Server for DHCP and DNS, no Internet

I want to use my Mac Mini as an OS X Server with the following services: DNS DHCP Open Directory Profile Manager I configured my Airport Extreme under the "Internet" tab to use my static IP ...
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1answer
295 views

OS X Server 3.0 - DNS & Server Names

I have two Mac Mini's running Mavericks Server. The hostnames for them are as follows: macsvr01.mydomain.com macsvr02.mydomain.com I want to be able to access macsvr02 by going to ...
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1answer
767 views

Suddenly got DNS problem with OSX 10.9.2

I have OSX 10.9.2. One day my internet started to stuck on loading. No System updates detected before. When I tried to send ping to http://stackoverflow.com/ I got: 64 bytes from 198.252.206.140: ...
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1answer
919 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 ...
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81 views

What methods exist to give an iPhone an external hostname, on wifi or cellular data?

I want to give my iPhone (iOS7) a hostname, which will automatically resolve from anywhere as long as the phone is online. My iPhone can be jailbroken as part of the solution; that's not preventative. ...