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

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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 ...
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1answer
935 views

Can Airport Extreme be configured to work with a free dynamic DNS service?

I have an Airport Extreme and wish to set up dynamic DNS so that I can remotely access my home WiFi security cameras when I'm traveling. I'm seeing certain things that say the built-in dynamic DNS ...
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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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2answers
2k 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
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 ...
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2answers
66 views

OS X Server DNS, on local network redirect external IP to internal IP

I want it to be so that, when I attempt to visit my server at 94.xx.xx.xx, it will automatically redirect me to the internal address 192.xx.xx.xx, when doing so from the local network. Can this be ...
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3answers
332 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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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?
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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 ...
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2answers
2k 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
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 ...
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2answers
3k 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 ...
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2answers
103 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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1answer
98 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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1answer
1k views

How to make OS X Server 3 accessible from the internet?

I am trying to setup an OS X server so that I can see it from outside of my internal network. I have OS X Mavericks with the Server app installed as a VM for testing purposes right now. It has access ...
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2answers
191 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
470 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
5k 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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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 ...
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1answer
269 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?
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1answer
191 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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2answers
5k views

Why can I not access my own website - unknown host? [closed]

I have a website - www.birupakhyadash.com - which I am not able to access. The traceroute to the address returns the error: unknown host. I have tried to clear the dns cache and disable the ...
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1answer
3k 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 ...
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1answer
1k 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 ...
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1answer
23 views

Verify DNSSEC being used by Safari when visiting a web site

Is there some way to verify that DNSSEC was used by Safari when visiting a web site? I'm most interested in Safari for Mac OS X. But if there is a way in iOS, that would be important as well.
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1answer
93 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
174 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 ...
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1answer
452 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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1answer
106 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
395 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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1answer
96 views

hostname returns another device's name

I realized that the hostname had changed while I was doing some work using terminal in OS X Yosemite. I thought there might be an IP address conflict so I reset it. However I still get another ...
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1answer
293 views

How can I add a DNS record so that example.com resolves to my server.example.com in the OS X Server app?

The default DNS setup leaves me with a record pointing server.example.com to my IP address. I've added a couple of aliases like www, mail. But how can I add example.com, essentially the root domain ...
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1answer
727 views

How do I enable DNSSec on OSX? (Or DNSCurve)

I want to support encrypted IPSec communications, and DANE certs in DNS. Notably, DNSSSec is a prerequisite is IPSec (secure IP addresses from DNS) How can I configure my OS X computer to use DNSSec ...
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1answer
506 views

Multiple .local hostname on one computer

Is possible setup multiple .local hostname on one physical computer? Background: home network (behind the DSL/NAT router) (192.168.1.*) have a mac-mini, called as "tango.local". (set in the ...
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1answer
190 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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1answer
389 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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1answer
431 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
2k 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
108 views

Mountain Lion OSX Server One IP Virtual Sites www resolving to wrong Site

I am trying to get 2 domains working properly with one static IP on ML OSX Server. When I set a domain = www.domain2.com- it resolves to domain1.com. I have dns set for domain 2 at godaddy, where ...
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1answer
3k views

2011 MacBook (10.6.8) connects to AirPort but intermittently won't connect to webpages

I have never experienced this problem before. I know that the problem is not the internet, because the internet works fine on all my other devices, both Windows and Mac. I brought my MacBook in to the ...
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1answer
735 views

Change of IP / Configure AirPort Extreme

Earlier today our IP Address changed due to misconfiguration caused by our ISP. I'm trying to ensure our IP won't change again. So I spoke with our ISP and they assigned us a static IP (we were ...
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1answer
123 views

Finder slow after wake up from standby mode

I have 4 or 5 Network shares in my Favorites bar in the Finder. Any time the Macbook wakes up from Standby, the Finder takes forever to show up. If I remove the Network shares from the Favorites bar, ...
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1answer
517 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 ...
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1answer
1k views

Ethernet Working but No Internet Connection

In my office, nearly everybody uses Mac and we have just only one Windows 7 system. Just this morning, all the Mac systems (10.8.2) could not connect to the internet but could connect to the network, ...
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1answer
370 views

Cannot Resolve Host

For some reason my system will not resolve hosts added to /etc/hosts. If I add an entry: 127.0.0.1 somename.dev It won't resolve. If I add this, however: 127.0.0.1 somename.dev ::1 somename.dev ...
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1answer
3k views

Mac Frequent SSL errors when trying to reach google.com

On my mac, I often try to go to Google.com and chrome gives me an error: "You attempted to reach www.google.com, but instead you actually reached a server identifying itself as www.apple.com. This may ...
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3answers
2k views

nslookup & dig fail; ping, traceroute, and scutil -r work

I'm running on 10.8.2. All of a sudden, traditional nameserver lookups are failing on my machine: $ nslookup www.att.com ;; connection timed out; no servers could be reached $ dig www.att.com ; ...
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3answers
1k views

Cannot use ssh/ping domain name after connecting to openvpn

I've got two macs, both on the same network, both using Tunnelblick to connect to vpn. Both with same settings. Both connect fine and both have the same settings for DNS and search domain applied ...
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1answer
477 views

How to use machine name of iOS devices on network?

I have an iPhone 4 and a 3rd generation iPad. They connect to my local home network over WiFi but I cannot use their machines names. I have an app on both devices that exposes a web server, but I can ...
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1answer
633 views

Using a dyn.com dynamic host name with an AirPort device

I have an AirPort Extreme base station with firmware 7.6.1 and would like to access it remotely using a dynamic hostname registered with dyn.com (e.g. example.dyndns.org). An explanation is given by ...