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

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3
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2answers
10k 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 ...
3
votes
1answer
1k 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 ...
3
votes
1answer
1k views

Can I proxy traffic / domains through my phone by tethering to carrier data?

Would it be possible for me to proxy example.com to http://google.com/example.com/, through my jailbroken iPhone? I would tether my connection to my laptop, so to my laptop it connects to Google's IP ...
3
votes
1answer
724 views

Network's DNS queries redirection to localhost

Before saying anything, I would like you to know that my experience in the field of network administration is about 3 days long, so please treat me like the newbie I am. I have also been looking ...
3
votes
2answers
692 views

Unable to revert changes to hosts file in OS X Lion

I edited the hosts file and added: 10.0.0.1 devsys.crossreader.net Later I commented out the entry: #10.0.0.1 devsys.crossreader.net When I ping or browse to devsys.crossreader.net the returning ...
3
votes
0answers
156 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 ...
3
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0answers
224 views

How do I really (dig) flush the DNS cache on OS X 10.9?

I'm on OS X 10.9, according to support.apple.com I can flush the cache with sudo killall -HUP mDNSResponder Unfortunately this does not really refresh my DNS cache at all, also not like this: ...
3
votes
1answer
696 views

Seeing discoveryd error: Basic DNSResolver Return Code is 9 and we are treating it as an error!

Seeing this repeated pretty frequently in the Console logs for on my Macbook Pro running 10.10: 10/24/14 9:59:04.175 AM discoveryd[57]: Basic DNSResolver Return Code is 9 and we are treating it as ...
3
votes
0answers
6k 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 ...
3
votes
2answers
426 views

Local DNS circumvented when WiFi is active

I am using Mac OS X 10.8 to connect to two networks through ethernet and wifi and I am experiencing a problem with local DNS resolution. I would really appreciate your advice. I am simultaneously ...
3
votes
0answers
567 views

Preventing google search for custom top-level domain

How can I prevent safari to redirect the user to the google search page for addresses with custom top-level domains? Given an address of the type http://application.test where test is a primary zone ...
3
votes
1answer
641 views

Why are DNS server addresses lost after reboot?

I applied OpenDNS server addresses to Network Preference > Advanced > DNS. These were applied first under user account, then believing I needed to apply as Admin. Yet upon reboot they're replaced ...
2
votes
1answer
210 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
votes
1answer
945 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
votes
2answers
636 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
votes
1answer
362 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
votes
1answer
4k 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
votes
1answer
14k 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
votes
1answer
1k views

Mac doesn't recognize hosts on local network

I have a Linux server in my cupboard. My Windows machines can connect to it via its hostname. I have never configured any DNS server; all I did was assign the Linux box a name when I installed Ubuntu ...
2
votes
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 ...
2
votes
1answer
147 views

Using Server 5.0.15 to share internet WITHOUT internet sharing

I am running a mid 2010 MacMini as a server. OS X 10.11.3 and Server 5.0.15. I am connecting to the internet on the built in Ethernet (Ethernet) and have a USB to GigaBit Ethernet adapter (Ethernet 2) ...
2
votes
2answers
4k 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
votes
1answer
425 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
votes
1answer
282 views

Cannot configure OpenDNS on iPad

The instructions on Internet Safety Project seem simple enough, but, according to all the OpenDNS tests, websites are not working. I am using a Wi-Fi iPad2 with iOS 7.
2
votes
1answer
476 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
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, ...
2
votes
1answer
350 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
48 views

How to specify DNS server with USB hotspot?

A combination of two problems: (1) Either my Mac or my iPhone has a Wi-Fi problem; and (2) the cell provider's DNS servers have issues. Because of the second problem, I explicitly specify other ...
2
votes
2answers
574 views

Mac OS X Mavericks DNS name lookup order change?

I noticed Mavericks prefers the DNS server to /etc/hosts (scutil --dns). There used to be a good 'ol "order hosts,bind". Is there anything equivalent for Mavericks so my hosts file is consulted before ...
2
votes
1answer
101 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
102 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
votes
1answer
2k 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
votes
1answer
2k 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
votes
1answer
697 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
votes
2answers
241 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
votes
1answer
752 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
votes
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 ...
2
votes
0answers
43 views

Not able to resolve my domain name intermittently on iOS

I am experiencing a strange behavior w.r.t DNS resolution when connected to certain WiFi networks. (only on iOS devices) Issue is: Safari is able to resolve my domain name correctly but sometimes for ...
2
votes
1answer
280 views

how to use different port for dns on Yosemite?

According to https://developer.apple.com/library/mac/documentation/Darwin/Reference/ManPages/man5/resolver.5.html you should be able to set a different port for dns, ie: example, 10.0.0.17.55 ...
2
votes
0answers
222 views

Yosemite Server / Domain Configuration advice

I'm configuring a mac mini server (latest Yosemite) and I'd like some advice/guidance. I have a registered domain in use for my website, mail and some subdomains – all externally hosted. I'd like to ...
2
votes
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 ...
2
votes
1answer
299 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 ...
2
votes
0answers
293 views

Does Apple's iOS have a backup DNS server configuration?

Yesterday I experienced something interesting while setting up a Wi-Fi access point. The access point was connected to the Internet via a local modem (gateway), which had no DNS server address ...
2
votes
1answer
703 views

Name resolution is using proxy server over my local DNS server

I'm running a local DNS server to resolve .dev as a testing domain on my machine, the resolution works fine and shows the proper answer through dig and ping and I can pull the home page instantly with ...
2
votes
0answers
98 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
votes
1answer
468 views

How to host Etherpad (node.js) AND create a closed Wifi network from the same Mac?

I have a successfully running Etherpad install running on my Mac, and when clients on my network connect to my node.js server through the IP address assigned by my router, all is well. But I'm going ...
2
votes
0answers
125 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 ...
2
votes
0answers
405 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 ...
2
votes
0answers
415 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) ...
2
votes
0answers
3k 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 ...