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

learn more… | top users | synonyms

1
vote
1answer
3k 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?
1
vote
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 ...
1
vote
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 ...
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
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 ...
1
vote
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 ...
1
vote
1answer
76 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 ...
1
vote
1answer
765 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 ...
1
vote
2answers
174 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 ...
1
vote
1answer
442 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
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 ...
1
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
vote
1answer
267 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
188 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?
1
vote
1answer
2k 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
vote
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 ...
1
vote
1answer
41 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 ...
1
vote
2answers
77 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
vote
1answer
136 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: ...
1
vote
1answer
103 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 ...
1
vote
1answer
297 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 ...
1
vote
1answer
85 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 ...
1
vote
1answer
239 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 ...
1
vote
1answer
555 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 ...
1
vote
1answer
442 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 ...
1
vote
1answer
176 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 ...
1
vote
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 ...
1
vote
1answer
425 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 ...
1
vote
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: ...
1
vote
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 ...
1
vote
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 ...
1
vote
1answer
687 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 ...
1
vote
1answer
119 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, ...
1
vote
1answer
498 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 ...
1
vote
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, ...
1
vote
1answer
356 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 ...
1
vote
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 ...
1
vote
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 ; ...
1
vote
2answers
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 ...
1
vote
1answer
2k views

Mail.app keeps trying to connecting to old mail server

Yesterday my web host (Dreamhost) unexpectedly moved my email account to a new server. Most of my email clients didn't skip a beat, and continued to connect to the server and receive mail. However, ...
1
vote
1answer
623 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 ...
1
vote
1answer
442 views

Fast External DNS Servers and My Intranet

The local DNS servers, where I work, stink. They're absurdly slow and often completely fail to resolve web domains during certain periods of heavy sunspot activity. In response, I've just added ...
1
vote
1answer
1k views

Ping and curl resolve to one IP, dig/nslookup/host resolve to another

OK, I have a very interesting case. I have a custom DNS server that is vending out IP addresses to varying servers in my test network. If I use dig, nslookup, or host, it tells me that it's properly ...
1
vote
1answer
352 views

Local DNS server access delays

Access to a local DNS server is always delayed by ~1 second. I enabled the DNS server on OS-X Lion and it does indeed work. However when I query it using 'dig' (or nslookup) there is a delay of ...
1
vote
1answer
807 views

Is it possible to bypass a proxy when the proxy settings are set to Auto Proxy Config?

I've set up Automatic Proxy Configuration (PAC) in OSX Snow Leopard to point to a URL. I've also filled out the "Bypass proxy settings for these Hosts & Domains" box because I want to skip the ...
1
vote
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 ...
1
vote
0answers
47 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 ...
1
vote
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 ...
1
vote
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 ...
1
vote
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 ...