Questions tagged [dns]

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

83 questions with no upvoted or accepted answers
Filter by
Sorted by
Tagged with
1
vote
0answers
405 views

Macbook Pro not loading insecure webpages/content in any browser

Forgive me if this is the wrong place to ask this, but I've run out of options. Within the past week or two my web browsers will not load anything unless it has 'https' in front of it. I am a web ...
1
vote
0answers
813 views

Unable to connect to localhost on my development machine

I'm configuring a new Web development machine using the very complete and well-written guide published by Echo Software but I cannot connect to localhost after following/checking every step. My only ...
1
vote
0answers
93 views

Repeat DNS flushing required on El Capitan

I have a mid-2011 Mac Air running OS 10.11.3 and I repeatedly have to run a DNS flush to resolve issues connecting to the internet. This seems to be a recent problem and I don't know what has caused ...
1
vote
0answers
90 views

DNS fails over time. Reconnecting to wifi solves it momentarily

The DNS lookup fails after some time of being connected. I can get it back working if i reconnect to my wifi. However it seems to happen more frequently. I enabled debugging in the mDNS responder to ...
1
vote
0answers
298 views

OSX Flush DNS without sudo

I have a Mac that keeps messing up its DNS (this may be a wider network issue, we have windows clients that are having problems too). Whilst I try to understand the DNS issue I'd like to set an 'icon' ...
1
vote
0answers
1k views

yosemite DNS resolution woes over IPSec tunnels / VPN

I am connecting to a Cisco IPSec tunnel from MacOS to a hosted pfsense box that is running a number of other IPSec site-to-sites happily, and the DNS resolution is not working. I also am in full ...
1
vote
0answers
284 views

How can I prevent hostname from changing?

When I boot up one of our computers it gets a static DHCP address which is specified in our DNS as client1.domain.com and so on. The hostname sets automatically from reverse DNS at bootup and ...
1
vote
0answers
2k views

iOs Simulator ignoring Hosts file

I'm actually working on a website development and I configured all the needed hostname on my /etc/hosts files. Actually in our office we use an internal DNS for the QA servers and we override ...
1
vote
0answers
105 views

Changing /etc/hosts not getting affected

I have added the following line in my /etc/hosts: 127.0.0.1   myapp.corp.com so my full /etc/hosts looks like: 127.0.0.1 localhost 127.0.0.1   myapp.corp.com 255.255.255.255 broadcasthost ::1 ...
1
vote
0answers
221 views

DNS Lookup Failure on Terminal Only (Mavericks)

I recently did a clean install of Mavericks, and ever since I have, I've been having intermittent DNS lookup failures on the terminal only. Browsers work fine (Chrome, Safari). But nothing works ...
1
vote
0answers
68 views

named (bind DNS) not quitting

I am trying to quit named, but it keeps popping up. I tried removing the configuration an key files, unloading it from launchd, you name it. Yet it keeps starting. How do I kill it permanently?
1
vote
1answer
1k views

Ping cannot resolve .io domains yet nslookup can

macOS 10.12.1 (16B2555) on an early 2015 Macbook Pro. I can't resolve any .io domains on this machine. Other people on the same network can. This happens here at the office, and at home. I've ...
1
vote
1answer
1k views

DNS change on Airport Extreme

I've recently changed the DNS settings on my latest generation Airport Extreme from their default values to Google DNS. My reason was obvious, I want all of my devices connected to my network be able ...
0
votes
0answers
28 views

Mac ping seems to cache DNS, how to stop this behavior

I have a split DNS situation happening. I have updated the DNS record on both local and public DNS servers. nslookup recognizes that the A record has been updated: user@MacBook-Pro:~ $ nslookup ...
0
votes
0answers
21 views

How to make Chrome look for local DNS

MacOS Version: 10.14.5 Chrome Version: 75.0.3770.100 I have entered an entry in my /etc/hosts like below ## # Custom hosts ## 127.0.0.1 jupyter.dev ::1 jupyter.dev My traceroute ...
0
votes
0answers
91 views

Bypass DNS resolver/cache in Mac?

I'm hitting an error where after changing a DNS name, dig reports that a name resolves to the correct IP but curl says the name doesn't exist. Restarting the machine clears the problem, clearing the ...
0
votes
0answers
47 views

Google Chrome and nslookup: works. Safari and ping: do not work

So I'm on a hotel WiFi that has been working fine for several days. Suddenly, I'm not able to use many programs on the internet. Safari says "Can't find server". Ping says "Can't resolve: Unknown ...
0
votes
0answers
1k views

How to prevent DNS caching on iOS

Does anyone know how to prevent DNS caching on iOS? My DNS cache keeps getting fouled up and it causes all sorts of issues that affect: Population of the bonjour pane in the VNC app Detection of ...
0
votes
0answers
10 views

Mix DNS from DHCP with a statically defined one

I'd like to configure my DNS records to priorities a statically defined DNS server (e.g. 8.8.8.8) and fallback onto DNS servers retrieved from DHCP. I'd like the DHCP DNS servers only to be used, if ...
0
votes
0answers
38 views

At one particular coffee shop, mac only connects to google and nothing else

I have a 2015 Macbook Pro running High Sierra. At one particular coffee shop, my mac only connects to google, facebook and youtube and no other websites. I looked at a bunch of forums and based on ...
0
votes
0answers
698 views

Why is IMRemoteURLConnectionAgent contacting a Charter IP address

I never use iMessage. I never use iCloud. And yet I happened to check my Mac's current network connections and I found this: IMRemoteURLConn 33557 me 7u IPv4 ... 0t0 TCP 192.168.1.198:57996-&...
0
votes
0answers
206 views

Slow Internet When Connected to L2TP/IPSec VPN

I set up the built-in racoon program on a Mac server to run a VPN server. It's an L2TP over IPSec VPN. I connect through it through the native client built into macOS's network settings. So I connect ...
0
votes
0answers
866 views

How is iOS to host communication done with TCP to USB?

I am looking for a good primer on information about accessing the data streamed from iOS devices to a host via USB. I've found this is done through TCP, I think. But concrete info is what I'm looking ...
0
votes
0answers
53 views

How do I change the Resolver Order?

I use a utility call HELM to change my /etc/hosts file for a domain name to test if a site on a new server is working correctly before I point the DNS to it. However the way my resolver is working is ...
0
votes
0answers
30 views

Website unresolved via OSX Safari

Issue URL does not resolve: see 'dig test results' Safari 11.1.2 System Version: OS X 10.11.6 (15G22010) Kernel Version: Darwin 15.6.0 Boot Volume: Macintosh HD Boot Mode: Normal The ...
0
votes
0answers
274 views

DNS Setup on a Per-SSID basis?

I manage a number of iOS devices. These devices are supervised via Apple Configurator. When they connect to a specific SSID, I want the devices to use the servers specified by DHCP (If needed, I can ...
0
votes
0answers
248 views

editing DNS rules locally in macOS 10.12

When I develop web sites I like to have them run locally and responding to a more useful name than localhost/site. It used to be you could write rules in hosts pointing to 127.0.0.1. It would seem you ...
0
votes
0answers
355 views

Yosemite, how to reset/reinstall network?

For some reasons every time I connect to an insecure WiFi, Yosemite cannot route to the DNS servers of that WiFi. The DNS servers are correctly set, just cannot reach them. And after installing ...
0
votes
0answers
96 views

Ping being hijacked?

On my Mac terminal, I typed cat /etc/resolv.conf nameserver 8.8.8.8 nameserver 8.8.4.4 and I do a dig dig www.facebook.com ; <<>> DiG 9.8.3-P1 <<>> www.facebook.com ;; ...
0
votes
0answers
323 views

Can I fix DNS issues on MBP for good?

I noticed DNS issue on my MBP where all of sudden (in the middle of my work, nothing changed) my DNS simply stops working. It's easy to notice that, so I do the following: first I check if DNS is ...
0
votes
0answers
853 views

OS X Server Profile Manager port forwarding?

I am setting up a MDM server on OS X Server. This is just a personal project, so I am hosting off of my iMac running Yosemite and OS X Server. I have configured port forwarding and DNS records so ...
0
votes
0answers
2k views

OSX Open Directory Network Users Problem and Kerberos

I've got a Mavericks Server mostly working, but I still get some funkiness. Main problem is that I've been having a great deal of trouble getting network user accounts with home directories on the ...
0
votes
1answer
812 views

DNS Problem with my Macbook Pro

I have a problem with my Macbook Pro. I suspend it and if I should open it up and the wifi is connected and all looks pretty well. But I have no connection with my DNS Server. Other devices works well....