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Questions tagged [dns]

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

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9 views

After changing nameservers for a domain only on my Macbook no access possible [on hold]

I have exactly the same issue: Terminal command to clear DNS cache doesn't seem to work Changed the DNS settings for a domain, works perfectly via proxy or on other devices connected to my WIFI, ...
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1answer
27 views

Why is twitter unreachable from Chrome but not Safari?

I am using macOS 10.13.6. When I go to www.twitter.com in Google Chrome I get a This site can't be reached. https://www.twitter.com/ is unreachable. ERR_ADDRESS_UNREACHABLE On the same machine I can ...
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0answers
21 views

Can't access internet after installing NordVPN

As soon as I install the NordVPN app from the app Store on MacOS Mojave, the internet connection dies. I can't use my browser, or any internet connected apps. Deleting the app and then restarting ...
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0answers
26 views

Reduce or disable DNS cache in 10.13 and 10.14

I'm trying to get a hold of the property list, I'm guessing, that specifies the TTL or the amount of records held of the DNS cache of the system, if is not user/root accessible, then command that ...
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0answers
34 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 ...
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1answer
48 views

DNS lookup painfully slow on only one network?

I've got a MacBook Air 2013 running 10.14, and loading all pages either stalls for multiple seconds on "Resolving host" and only loads after a painful delay or it completely fails and Chrome shows me ...
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0answers
19 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 ...
5
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2answers
190 views

Force DNS resolution to happen outside VPN

I'm running Mojave (10.14) and I have a Cisco AnyConnect VPN over which traffic for selected routes (determined by the VPN profile, out of my control) is sent. Traffic routing works fine, the issue ...
2
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1answer
74 views

How to or Is that possible to stop mDNSResponder without disable System Integrity Protection?

I have tried the following: $ sudo killall -HUP mDNSResponder $ sudo killall -9 mDNSResponderHelper mDNSResponder $ sudo launchctl unload -w /System/Library/LaunchDaemons/com.apple.mDNSResponder....
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0answers
65 views

Alternate DNS resolution for Safari on macOS?

I use a Pihole on my network to provide local DNS service to block ads and various websites. I've noticed recently (maybe since Mojave) that Safari seems to bypass this. The Pihole device also ...
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1answer
55 views

Mac connects to iPhone hotspot but no internet

I'm trying to set up a hotspot, sharing the connection from an iPhone X running iOS 12.1 with a MacBook Pro running macOS Mojave. The hotspot is working fine and other devices can connect to it and ...
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22 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 ...
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1answer
37 views

Network settings won't save DNS servers

This has to be simple: I can't save DNS servers in Network>(Location)>Advanced>DNS I add the DNS servers 1.1.1.1 1.0.0.1 2606:4700:4700::1111 2606:4700:4700::1001 save, and then ...
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1answer
96 views

Who is trying to use the Stealth Mode as reported in Console

I found following in my Console on MBA 10.13 Stealth Mode connection attempt to UDP 192.168.0.12:52734 from 8.8.8.8:53 Stealth Mode connection attempt to UDP 192.168.0.12:57880 from 8.8.8.8:53 ...
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14 views

How to make safari remember internal hostname for url shortener?

We have a internal url shortener, let's call it foo. So in your browser you could do something like foo/wiki and go to whatever wiki points to. Unfortunately in Safari whenever I type foo/wiki it does ...
2
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1answer
200 views

My mac's hostname keeps getting reset to default

My mac's default hostname is Scott-Johnson.local. In the sharing system preferences, I set the hostname to felucia.local, which takes as expected. However, at some point in the future (usually due to ...
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0answers
286 views

Safari on iMac (Mojave) can't resolve http://<hostname>.local

Safari 12.0 on my 2017 iMac cannot resolve local computer names. In my particular case the computer is a RaspberryPi with a default web page. If I put "pi-star.local" in the Safari address box, I ...
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0answers
222 views

How to override DNS resolver ordering while connected to L2TP VPN

OS: macOS Mojave 10.14 (18A389) Current network setup: Local domain: home.rossipedia.com Subnet: 172.16.10.0/24 Gateway / DHCP server / DNS server: 172.16.10.1 Output of scutil --dns: DNS ...
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26 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 ...
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1answer
343 views

dnsmasq not working oh Mac OS High Sierra

I have a service running on localhost on MacOS High Sierra. curl foo.test does not work, but curl localhost does. To get to my setup, I installed dns using homebrew, brew install dnsmasq ...
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18 views

Can I setup TXT records in my DNS to make Apple Remote Desktop work on clients that have connected via a VPN tunnel?

I am running macOS High Sierra on all machines. I run my own (split) DNS on my own LAN. With Apple Remote Desktop I can manage the machines on the local LAN. But then machines are outside the network ...
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1answer
52 views

How can I reconfigure my PF.conf to be more secure

I want to make my computer more secure and a part of it I want to do with reconfiguring my PF firewall. How can I reconfigure my PF.conf to be more secure? I made a github repo where I posted my ...
1
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1answer
19 views

Website Doesn't redirect correctly

I have recently created a blog and hosted that on a freehosting website. domain is purchased from hostgater Website is hosted on freehosting. On hostgather nameserver has been updated as per ...
2
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1answer
31 views

OS X adds “incorrect” DNS servers “on top” of correct ones

OS X (latest version of High Sierra) is doing something strange when I try to connect to my campus wireless network. On a regular basis, it is adding an incorrect DNS server (10.0.0.255) "on top" of ...
3
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1answer
107 views

Unable to resolve hostnames inside macOS chroot jail

I just created a chroot jail with inetutils, coreutils and bash. Most of the things seem to work. I can ping ip addresses and hosts that are inside /etc/hosts, however, I can't ping hosts that are not ...
2
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1answer
73 views

Cannot ping a single website when I am logged into my account

I am having an issue connecting to my website. When I ping sample.com the server, I IP address I get is 192.168.0.12, but when I do an NSlookup, I get the correct IP. When I switch user account or go ...
2
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2answers
38 views

how to add ip routes with host name instead of ip address?

I want to add IP routes for host that I do not have the IP address for. I basically want tell macOS to search for a host in a specific interface: sudo route add -host <myHostname> -iface en7 ...
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0answers
36 views

Safari and Chrome loading the wrong website

My client is having an issue that is exclusive to her computer. When viewing her website on any other computer the website that shows is the current one being hosted by Squarespace. When viewing on ...
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0answers
129 views

How to create /dev/null in a jail-environment (chroot)?

In short: I am trying to install BIND9 on OSX inside a jail-environment (chroot) and failing to create a /dev/{null, random} file inside. Since Apple is slowly removing support for DNS, DHCP and more ...
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0answers
33 views

How do I reload the DNS config on macOS Server when I have edited it on the command line?

Server.app does not allow me to add a TXT record to the main domain (zone) but that is what is needed for SPF. So, I added a TXT record to my db.rna.nl file. (Note this is a split-DNS so on the ...
1
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1answer
76 views

iPhone 7 Sim Switching, Account Switching or just Normal Domain Traffic?

I think there is some funny business going on with one of the devices in my house. I'm not sure if the person is changing into between iCloud Accounts on the same device, or switching Sims or using ...
4
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1answer
1k views

How to change nameserver in resolv.conf in Recovery Mode?

How can I change the nameserver in /etc/resolv.conf while the MacBook is in recovery mode?
3
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3answers
530 views

How to use mac as a full router with DHCP, DNS, Port Fowarding etc.?

I know I can use internet sharing in macOS to share the internet connection provided to one network interface over one or more other network interfaces on my Mac. However, the feature set is VERY ...
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1answer
78 views

macOS not resolving IP Address

I used a certain domain name temporarily to build a site on. The site has been moved to its own URL and now I want to use the same domain again for another site. I have set up the WP installation but ...
5
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0answers
64 views

Terminal Displays My Roommate's Computer

I don't know how long ago this happened, but today I realized that when I open up terminal it no longer says Matthew-MacBook:~matthew$ as it used to. Instead, it appears to have synched up with my ...
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0answers
393 views

MacOS and split DNS

MacOS: 10.13.3 Pritunl VPN client: v1.0.1653.28 I have been following this: https://lists.apple.com/archives/macnetworkprog/2005/Sep/msg00047.html and http://hints.macworld.com/article.php?story=...
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1answer
43 views

Resolve internet address (IP) as running apps see them currently (vs. external name server)

Sometimes, I need to see the actual IPv4 address of web sites I open in Safari. Now, there are two terminal commands, host and dig, which I could use for that. But these commands are not always ...
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0answers
156 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 ...
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1answer
2k views

macOS High Sierra not trying other DNS servers

On one of my laptops which is running macOS High Sierra, is failing to resolve hostnames. I have specified two DNS servers in my network settings. One is an internal DNS server, and the other is 8.8.8....
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0answers
173 views

macOS High Sierra DNS servers not changing

I am trying to change my DNS servers to the OpenDNS servers (208.67.222.222, 208.67.220.220). I put them in in System Preferences, applied the changes, and checked in terminal, but when I go to the ...
5
votes
1answer
217 views

sharing internet/vpn with ipfw, can't access google.com over https

I am sharing my internet connection / IKEv2 VPN connection over pf via Murus static NAT. My network architecture is as follows: internet modem -> wired router (serving 192.168.1.1/24) -> Mac ...
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1answer
435 views

Force DNS server ip while connected to VPN

I'm using Fortclient VPN to connect to a customer network and the client enforces the use of their DNS (since the customer is in Turkey I get false DNS responses on wikipedia and other websites while ...
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0answers
80 views

Mac ignoring DHCP provided DNS

I've got a device running Ubuntu where I've configured a DHCP server and a DNS server with bind. When I connect my Windows laptop to this device, it automatically gets an IP and the DNS server I've ...
1
vote
2answers
282 views

DNS Suffix on two network Interfaces on MacBook Pro

I got a new MacBook Pro for my work office and have a network issue. On the MBP 13" I use the integrated Wi-Fi and an additional a Belkin USB Ethernet. Now, with those two network interfaces I ...
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0answers
505 views

Alternative to constantly editing hosts file

Every time I log into my work's VPN an automated script rewrites my hosts file, resetting it to some standard version that they manage. That only happens on Mac OS (I have a Windows laptop with the ...
1
vote
1answer
468 views

High Sierra DNS fails intermittently for LAN-local hosts

I have a local domain for my home network, which uses .loc as a TLD (not .local). Name resolution for hosts on that network always works using dig or nslookup from a terminal, but intermittently fails ...
1
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1answer
47 views

Confusing reverse DNS IP replacement, ever since I edited /etc/hosts

A while ago I was trying to set up convenient ssh to a server, so I added an entry to /etc/hosts (not real IP): # Host Database 104.111.11.1 dokku.1 I've realized since then that using ~/.ssh/...
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1answer
274 views

How to access external DNS on iOS when it is blocked

I need to access critical external website from an iPad which is blocked in our local network for unknown reason I yet to find out (not a porn, seriously!). IP of that resource is still accessible ...
1
vote
1answer
34 views

Hostfile not working for subdomain

I'm trying to setup custom A records for domains via /etc/hosts on my OSX 10.13.2 MBP. It usually works just fine, first time that it works only for 1 of the 2 domains: 1.2.3.4 dev.com (works; ...
2
votes
1answer
57 views

macOS denying service

I reset my MacBook to factory settings 4 weeks ago, after I started having issues with missing libraries, etc., after messing around with a few 3rd party applications (SDKs and such). After resetting ...