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

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1answer
78 views

OS X Server behind an ADSL router

I have a Mac Mini with OS X Server installed on my LAN that I use as a Git server and Continuous Integration server. I would like to be able to use these services from outside my LAN but I'm not sure ...
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3answers
9k 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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0answers
51 views

How to access the DNS cache in OSX El Capitan?

I am trying to get a visual of the DNS cache (IMHO this should be extremely easy but somehow I cannot get it in El Capitan). I have tried things like: dscacheutil -cachedump which some reason returns ...
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2answers
30 views

How can I get DNS resolution on-line and offline for virtual machine and local app using dnsmasq or similar

I have read all the answers I can find about setting up dnsmasq as a local DNS server for development. But I can't make it work for my case. Most out there want 127.0.0.1 to be resolved for names in ...
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2answers
1k views

Lion Server DHCP randomly loses settings and reverts to defaults

I’ve been trying to set up Lion Server on a Mac Pro with it acting as the router/gateway/firewall/DNS/NAT and DHCP. I’ve been trying to setup an internal-only network named mycompany.something. After ...
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3answers
64k 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 ...
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1answer
137 views

/etc/hosts will not update/refresh at all

I add to my /etc/hosts file this : 127.0.0.1 youtube.com Save the file. Flush everything with : dscacheutil -flushcache; sudo killall -HUP mDNSResponder Reboot my computer 30 times. Then I run: ...
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3answers
2k views

DNS resolution broken in El Capital with Thunderbolt Ethernet Adapter on Offline network

After upgrading to El Capitan how do I enable DNS resolution on an offline, internal computer network? Before upgrading to El Capitan I could connect to my internal network, set my DNS and search ...
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1answer
1k 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

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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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.. ...
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0answers
41 views

Getting high ping when MacBook Air is connected to Wi-Fi

I have a 13" MacBook Air with Yosemite 10.10.2 installed: As soon as I connect it to my WiFi, I get a very high ping (1600 ms) on both my machines: Windows 7 PC and my MacBook. As a result browsing ...
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3answers
55 views

OS X 10.6.8 direct IP translation and DNS issues

This is the situation: I have a web server on my LAN that serves up beta versions of my documentation for my free software. This web server, via my router, responds to an external IP address. ...
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1answer
2k views

MacBook Pro 10.9.1 loading web pages very slow over 116Mbps Airport Extreme 802.11ac

This is driving me crazy. I have a MacBook Pro running OS X 10.9.1 connecting to the internet via an Airport Extreme 802.11ac. Speedtest shows I am pulling 116Mbps. A week ago or so I installed ...
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1answer
42 views

Blocking an IP address

I need to block a particular website on my Mac (OSX 10.11.1, El Capitan). I have already made the changes to /etc/hosts but the website is still not blocked when testing from Chrome. I think this has ...
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2answers
596 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
298 views

/etc/resolver: TLD itself not resolved by custom resolver

I'm using the /etc/resolver technique for a dev domain as explained in some blog posts around the web (like this one). I used this technique previously on 10.9, but on my new Yosemite there seems to ...
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0answers
42 views

Ridiculous amount of reverse DNS lookup request - *.in-addr.arpa

I'm using OpenDNS as an external DNS server. Recently I've logged in to check dashboard. I've discovered that I'm sending a ridiculous amount of DNS requests to *.in-addr.arpa - reverse DNS lookups ...
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2answers
514 views

Can't use machine name to login using SSH anymore on Yosemite, how to fix?

from yesterday I have noticed that I can't connect via SSH to my OS X's SSH server anymore using the following command: User-MBP:~ user$ ssh user@user-mbp user is the user on the server, user-mbp is ...
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0answers
25 views

IOS : Set DNS for data cellular [duplicate]

I was wondering can we then change the DNS default value (would like to use OpenDNS) maybe we can use the MMSC settings? We can change the carrier data cellular settings straight on the iPhone ...
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0answers
21 views

Internet fading in and out OS X?

I have recently been experiencing a new problem with internet reliability on OS X. We have two OS X El Capitan desktops. My mom's mac is in the office and receives an ethernet connection and that ...
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0answers
48 views

Problem with IPsec on Mac OS X 10.11

We have configured IKEv2 VPN for mobile clients on pfSense. Server is configured for pushing DNS setting to clients, but after connecting my MBP it can't resolve local hostnames (FQDN and shortnames ...
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0answers
48 views

Custom nameservers, /etc/resolver/ and SRV records

I want to use a DNS server on my machine to resolve lookups for all names ending in .dev. I've created /etc/resolver/dev to do this, and checked that it works for A records: › dscacheutil -q host -a ...
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1answer
76 views

How can I force default DNS query to work in TCP mode?

In China, the so-called GFW often contaminates DNS results like $ dig @8.8.8.8 archive.org ;; QUESTION SECTION: ;archive.org. IN A ;; ANSWER SECTION: archive.org. 2662 IN A ...
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3answers
156 views

How can I force Google SafeSearch on my kids' Mac?

I'm pretty sure there's a way to force enable Google Safe Search by editing a hosts file on my kids' Mac. Can someone tell me how? I'm guessing I need to sudo nano /etc/hosts According to How to: ...
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2answers
2k views

websites don't open on a specific wifi connection (probably DNS issue)

I have a cable broadband which works flawlessly; I am using the same to ask this question from my Android. But it doesn't work on my MacBook (10.10.2). Basically, no websites open, although I can ...
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0answers
23 views

Macbook Pro 10.10.5 Can Only Connect to Large Sites like Google, StackExchange, Wikipedia

This strange connection issue has been very stubborn. In short, after every reboot I can access the entire internet for a short period of time. After a time (say 30 minutes) all but major websites ...
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2answers
79 views

OS X Server Caching / DNS Question

our network has 3 primary public IPs (datacenter, user set a, user set b). I would like to set up the Caching server, and am just trying to understand the breakdown of the DNS entry. In the data ...
1
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1answer
45 views

MBP - have to re-enable Wi-Fi every 30 mins

I have a MacBook Pro running on El Capitan (but the issue was already present before the upgrade, so it's not related). I have the Mac since a bit less than a year. It is still running perfectly but ...
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0answers
49 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 ...
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0answers
29 views

How to block a specific hostname when shadowsocks is activated?

Modifying the hosts file is the simplest way to prevent my computer to visit a specific hostname. When I start using shadowsocks' global mode, however, the method of modifying hosts doesn't work any ...
0
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1answer
46 views

Flaky DNS/connection issues when using Wi-Fi in Japan. Fifty-percent of page/images load if lucky

I'm living in Japan (if that's relevant) and often to go net- manga-cafés (or Starbucks) for my internet fix (too expensive to get it at home, ATM). After connecting to a Wi-Fi network, however, I'm ...
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1answer
185 views

Yosemite /etc/resolver/env.domain.com not working

We have a site to site VPN connection setup in the office to two development networks dev stage I want to be able to let people in the office not be on VPN for dns resolution to work. Each ...
0
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1answer
45 views

How to bind hostname with ip?

There are 2 VMs running on VMWare on a remote server. For instance: devops-01 and devops-02. Both of them have SSH access enabled. To access to the first one I do: ssh dev@devops-01. For the other ...
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0answers
112 views

Domain Name Resolution (DNS) stops working randomly

While browsing and using the web, DNS stops working. Open web-chats like Google Hangouts keep working, but opening new websites, Skype, and others are stuck to "Resolving host name". This happens ...
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0answers
59 views

How can I get OS X's Dynamic DNS client to register a local IP address?

Background: I'm essentially re-creating Back To My Mac. I have a VPN set-up on my VPS, handing out addresses in the 10.x.y.0/24 range, with BIND running and accessible at 10.x.y.1. There's a zone ...
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1answer
1k views

Odd (potentially DNS) network problems on my Macbook Pro (VPN / Network Connect related)

I was reluctant to ask a new question as there appears to be a million dns related questions on here and elsewhere already, but, I think mine might be a bit different. An example, right now I am ...
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2answers
3k views

How to fix when I can nslookup and dig an internal hostname, but I cannot ping or ssh to the internal machine?

I can nslookup and dig an internal hostname, and I get a rapid response, but I cannot ping or ssh to the server. All external hostnames work fine for both ping, ssh, dig or nslookup. ssh -vvv ...
9
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2answers
8k 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?
14
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5answers
22k 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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0answers
70 views

Device name on router is different than OS X hostname

There are tons of questions about changing a Mac hostname, and while I went through most of them, I could never find this nuanced answer: Why do routers always seems to receive the first hostname ...
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0answers
58 views

VPN connects, IP won't change : traffic issue

I spent too much time on this, so I'm asking you guys if you can figure it out. I can connect to my VPN, but my IP won't change (I can access the internet) and since P2P isn't working I guess the ...
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0answers
159 views

How to turn off Bridge Mode in Airport Utility?

I want to shutout some websites on all my devices (Macs, iPads, and iPhones) in my home network and after I searched for it, I ended up using a service called OpenDNS. However, they instruct me to ...
56
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12answers
102k views

DNS not resolving on Mac OS

Some of my coworkers are having troubles on their Macs - DNS resolution does not work under Mac OS. They're running Snow Leopard 10.6.8. They can use DNS in a Windows 7 virtual machine (VMware Fusion ...
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0answers
48 views

How to manage internal and external DNS for the same zone?

I have a Mac Mini in the office that I just setup to host the zone example.com. I've added A records to several hosts running here. Local DNS works great so far. On Digital Ocean, I have two name ...
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4answers
10k views
4
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4answers
21k views

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 ...
1
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1answer
372 views

How to change computer name so terminal displays it in OS X? [duplicate]

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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0answers
281 views

mDNSResponder no longer resolving DNS with avahi-daemon

Since upgrading to El Capitan, I can no longer resolve DNS entries via mDNS if the host is a Linux system running avahi-daemon. For example, I have a server that's available at media-server.local. ...
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3answers
2k views

Can't access certain websites

I'm trying to access the site http://www.svenskadomaner.se but it's unreachable from my MacBook Pro (OSX 10.8.5). The domain belongs to a web hosting company and it's not only this specific site I ...