Multicast Domain Name Service is a method for using traditional domain name services without a central DNS authority, or DNS lookup server.

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Screen Share connects to wrong device

I have a Mac mini (Mac mini 2) set up in New York which I can connect to just fine via the Share Screen... button on Finder. However, when I try to connect to my other Mac mini in Miami (Mac mini 3), ...
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1answer
60 views

Yosemite DNS “cannot resolve host”

I am not able to get my MacBook Air to resolve any hosts. I've tried reinstalling Yosemite from recovery, unloading and reloading the mDNSResponder to no avail. An nslookup of www.google.com using ...
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1answer
2k views

discoveryutil: command not found

After connecting VPN I often have to flush DNS to get my private hosts to be found. I would do this sudo discoveryutil mdnsflushcache; sudo discoveryutil udnsflushcaches Now, after upgrading to ...
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42 views

Why does mDNSResponder make Ansible run slowly?

I upgraded my OS to OS X 10.10.4, which swaps discoveryd for mDNSResponder. My Ansible playbooks, which previously ran normally, now run incredibly slowly - tasks that took seconds previously now take ...
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1answer
132 views

How to limit any devices to appear on any Bonjour/Airplay capable devices close by?

This is an issue at my school district where I work as a network admin. Right now, I could see around the list of at least 15-20 Apple TVs that is located across school buildings when I press on ...
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1answer
248 views

Why is my hostname resolution taking so long?

Several months ago I noticed that my text editor (emacs) and IDE (IntelliJ) were taking a really long time to start up. The time appeared to vary based on the DNS servers OS X was using. I was able ...
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1answer
456 views

mDNSResponder missing

I am on Yosemite since today and am trying to connect to network printers, but System Preferences doesn't show any. The printers use Bonjour and I read that the associated process is mDNSresponder. ...
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1answer
19k 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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4answers
25k 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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1answer
465 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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2answers
2k views

Local hostname changes every few seconds when NOT connected to a network

When ever I wake my laptop, but before I am connected to a network, I receive messages similar to the following: This computer's local hostname "sojourner-896.local" is already in use on this ...
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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 ...
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1answer
935 views

Windows: Why does Bonjour's mdnsNSP.dll inject itself into every process?

In Windows, why does Bonjour's mdnsNSP.dll inject itself into every process?
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1answer
657 views

bonjour/mdns repeater?

I would like to put my wifi network and my wired network (in a small office) on separate vlans to cut down on broadcasts/multicasts on the wifi. (right now it's all in one big vlan, and it's getting ...
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1answer
2k views

system.log is flooded with mDNSResponder messages: “queryrecord_result_callback:…”

My Mac is constantly writing the same following error message to system.log: ... Feb 18 15:24:21 MBA mDNSResponder[51]: queryrecord_result_callback: mDNS_Lock: Locking failure! mDNS_busy (1) != ...
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2answers
6k views

What is the preferred method of command line domain name lookup (DNS)?

What command line command do I use to lookup a domain address? When looking at the man pages for nslookup and dig I can see a section saying that these utilities do not use the Mac OS methods of ...
0
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1answer
359 views

how to track the pid of a process using mDNSResponder?

I'm searching the right way to identify which pid/process ask to mDNSResponder to resolve dns query. In other terms I want do identify which process do which dns query through mDNSResponder and in ...
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0answers
725 views

ping and browsers do not seem to use local DNS server? (or: mDNSResponder looses local dns server?)

(1) Stack Info DNS Server CentOS 5.6 64bit running dnsmasq 2.45 on IP 10.9.8.2. Serving as DNS-Only Server using it's local /etc/hosts. /etc/resolv.conf on this machine has Router Draytek ...
17
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3answers
13k views

Can I use Back To My Mac's mDNS address and for ssh and other routing of traffic?

On Lion and iCloud, the old MobileMe and Snow Leopard mDNS naming has changed and no longer works. I'm wondering how to use command line tools to find out the DNS name that Apple has assigned to my ...
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5answers
4k views

Is it possible to use Back To My Mac DNS or routing information from the command line?

I often want to ssh to a Mac and would love to make use of of MobileMe to look up IP/DNS routing information. Let's assume of my on-all-the-time Mac at home's hostname is "maui" and it's running Snow ...