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

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1answer
59 views

How can I change DNS providers without needing to type in my password?

On Mac OS X Yosemite, you need to enter in your password to change DNS entries. Otherwise the entries are all greyed out. I change DNS frequently (Gogo Inflight among others doesn't work with ...
2
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2answers
576 views

How do I set up DynDNS on my MacBook?

I want to create a host name that points to my MacBook dynamically, so I can have a chance to take back the control if it was stolen. I opened ssh and vnc, but I have no idea how to find my machine. ...
2
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1answer
196 views

Dig resolves a domain, but all other programs fail to find it

Mac OS X Mavericks, no VPN, connecting via wifi. This domain resolves to my IP address in the local network $> dig mydomain.xx ;; ANSWER SECTION: mydomain.xx. 3591 IN A 192.168.10.18 I ...
2
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1answer
2k views

Can I redirect to an alternative DNS Lookup server depending on domain request

Background I had a problem loading images from a particular website. ( more details of that here) Someone at work Suggested I change my DNS servers to openDNS and see if that resolves the problem. ...
2
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1answer
12k views

Multiple IP addresses for same host name in /private/etc/hosts?

I have a corporate mail account (exchange 2007) that uses a self-signed SSL certificate. No matter what I do, Mail always complains about this when I connect. If I look at the details it always says ...
2
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2answers
2k 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 ...
2
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1answer
3k 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
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1answer
283 views

How to import authoritative (primary) zone data into Lion Server DNS?

Our current authoritative DNS server suffers from random reboot issues. That is why we would like to import our DNS zones into a Lion DNS server (BIND). We could not find an option to import DNS ...
2
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2answers
10k 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 ...
2
votes
1answer
316 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, ...
2
votes
2answers
542 views

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 ...
2
votes
2answers
761 views

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 ...
2
votes
1answer
332 views

Internet page not loading, ping not working but host www.example.com return an IP

Sorry I'm being vague because I don't even know where the problem can be. Yesterday I was using the internet just fine. Today on the same wifi router and on another 3G connection, I couldn't access ...
2
votes
1answer
847 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
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1answer
151 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 ...
2
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1answer
62 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 ...
2
votes
1answer
75 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 ...
2
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1answer
922 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 ...
2
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1answer
1k 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 ...
2
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1answer
1k 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 ...
2
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1answer
339 views

Adding hosts entry to iOS in absence of DNS

I am working with an application where my iPhone needs to see my laptop on the network under its host name and not the IP address because the SSL certificate works with the name only. At the office, ...
2
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2answers
168 views

Specifying DNS: Router or PrefPane?

OSX Lion (10.7.5). Network preferences has an option to set up (and order) DNS adresses. My router (Bell Connection Hub - Bell Canda) also has an option for specifying DNS addresses. Which takes ...
2
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1answer
2k 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
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1answer
629 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 ...
2
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1answer
2k 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 ...
2
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1answer
235 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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0answers
4k views

SSH'ing with just a machine name on internal network: nodename nor servname provided, or not known

Yesterday I was able to ssh into my development box by using the machine name. Today, I can't. I can nslookup and use chrome to navigate to my box using just the machine name. ping and ssh do not ...
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0answers
94 views

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; ...
2
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3answers
7k views

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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0answers
109 views

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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0answers
391 views

not resolve local domins from /etc/hosts

Somehow I have a problem (previously everything was ok), hosts form /etc/hosts can't bre resolved. I have local domain in /etc/hosts, like 127.0.0.1 test.local It's loading in browser well but too ...
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0answers
379 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) ...
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0answers
2k views

Can Time Capsule/Airport (4th gen) serve local DNS?

I just got a 4th gen Time Capsule for my wife to use as her own backup server, and I'm potentially interested in using it as the main router and Wifi AP on my home network. My current router and AP is ...
2
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0answers
243 views

Lion Server - DNS crashing

Every now and then (once per week?), my Mac Mini (2011, 8GB RAM i5) running Lion Server, stops the DNS server bringing my network to a grinding halt. The only way I have found to get it to restart is ...
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0answers
247 views

DNS gone after wakeup

I'm having problems with the DNS resolution after a wakeup from sleep. The system I'm running is Mac OS X Lion 10.7, and I am properly connected to my Wifi. When I issue a ping google.com in the ...
2
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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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vote
1answer
2k 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?
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2answers
3k 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 ...
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2answers
1k 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 ...
1
vote
2answers
1k views

Macbook Pro 15 inch Late 2011 - Internet always slow until I change DNS lookup address

This problem has plagued me across multiple networks (Ethernet and Wi-Fi, across multiple ISP's) and multiple operating systems (Snow Leopard, Mountain Lion, Mavericks). While browsing, my internet ...
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1answer
3k 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.
1
vote
1answer
32 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 ...
1
vote
2answers
2k views

Why do local network hostnames resolve only in certain cases?

I have a linksys router which runs "tomato" Linux and serves as the local DNS server. It runs dnsmasq. I recently upgraded from OS X 10.4 to 10.6. Since then, resolution of hostnames on my local ...
1
vote
1answer
293 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, ...
1
vote
1answer
3k views

Changed DNS server, now can't connect to internet on Safari, Chrome or App Store

I'm using Mac 10.7.5. Attempting to speed up my internet connection, I downloaded namebench and changed my DNS server per the suggestion given by namebench. After restarting my computer, I can no ...
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vote
2answers
1k 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 ...
1
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1answer
259 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?
1
vote
1answer
164 views

Is it possible to check the DNS server you're using on the iphone?

on windows, you'd use something like ipconfig /all to see the dns server you're hitting. What would u do on an iphone or mobile device?
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vote
1answer
1k views

What are the domains of the iTunes & Software Update CDNs?

Background info: the various iTunes stores (and I think Software Update) use the a CDN to deliver all those jigabits of data. Google DNS can mess with the speed of these CDNs. I like using Google ...
1
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1answer
997 views

How do you access a subdomain on localhost with VMWare Fusion on a Mac?

I am able to access localhost on a Mac through Windows XP on VMWare Fusion by using my Mac username like this: http://username.local:3000/ But how do I do that with a subdomain, something like ...