Questions tagged [dns]

DNS stands for the Domain Name System, an internet system used to translate names into IP addresses.

63 questions with no upvoted or accepted answers
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votes
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716 views

Bug or feature? Android ignores DNS servers with IPv6 ULAs when in an isolated ULA network?

This has cost me some hours of finally tracking it down, but I would like to know if someone can please shed light on this issue? Android 6 and 7 do not accept DNS servers with IPv6 ULA addresses. ...
6
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1answer
2k views

Can I find which app is making certain DNS requests?

So I've been using pihole and my Android 7 phone is making some unexpected requests to DNS for a particular domain. Is there an app or technique I can use to find which app is initiating those request....
5
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1answer
167 views

Is it possible to do DNS resolution based on connection?

On my Galaxy Note 2 phone (Android of course), is it possible to edit the hosts file so that it resolves example.com to a public IP BUT resolves it to a local private IP if connected to WiFi with a ...
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3k views

How can I help my android phone find an mDNS device?

I have a small WiFi gadget (based on an ESP8266), which is programmed to answer mDNS queries on esp.local. It can be discovered without any problems by iOS devices. However, my phone's android (6.0.1)...
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0answers
201 views

Why can't I browse to my desktop using its .local hostname?

I have a PC whose name is "mypc". It's accessible on the local network. https://mypc.local correctly displays its website when browsed from Mac, iOS, and itself. However, using my Pixel 3 ...
2
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0answers
68 views

Here GPS tracking

I have been lured into the world of FOSS apps, apps using known trackers and loggers, DNS, and firewalls. My phone is rooted via Magisk. It's a Huawei P20 Lite. Running Havoc 2.9 and Android 9. So I ...
2
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1answer
689 views

Android wifi (oreo) dropping. Because of pihole?

First of all, my apologies if I'm posting in the wrong forum. I'm a bit lost in the SE galaxy. But since my issue is quite complex and specific, I feel this is the best place. Let me know if I'm wrong....
2
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0answers
203 views

How can I troubleshoot a very slow initial connection when web browsing on WiFi?

This has been bugging me for quite some time. When connected to my home WiFi, web connections take a long time to initially establish (like ~10 seconds+) on two separate Android phones (OnePlus 3, ...
2
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1answer
318 views

DNS error on laptop when tethered to non-rooted Android 5.1 device

I am trying to hotspot my laptop from a non-rooted Android 5.1 phone (ZTE A110). On IPv4 and IPv6 I get Connection Status: Enabled - with high speed quality - but No Internet Access. When I run ...
2
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0answers
3k views

Is there a way to check DNS cache on an Android device?

Is there a way to check DNS cache on an Android device? For example, you can check it on windows via the command ipconfig /displaydns.
2
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1answer
2k views

Connecting android phone to a local web server

Scenario. We have a product controlling some sort of household thing. Since its 2015, it also runs a small webserver so that people in the house can control the product using their phones. Everything ...
2
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0answers
2k views

How to debug non-rooted Nexus 5 Android 5.0.1 tethering issue?

I normally use tethering a lot but hadn't since the 5.0 update and so didn't notice this issue. Now my Nexus 5 is at 5.0.1 and today I needed to tether and found that it doesn't work. Phone is Nexus ...
2
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0answers
376 views

Multicast dns registers hostname based on IP address

I would like to use avahi/zeroconf to do ssh logins to devices which are connected to the local network by wifi. Since I do not have control over the wifi routers I cannot assign fixed IP-addresses to ...
2
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0answers
986 views

Issues with mDNS on an Android device

I'm running a local testing environment (MAMP) on a Mac (Mountain Lion), and Im having having difficulty accessing these sites on my Galaxy S3 running 4.1.2 Everything works fine testing using ...
2
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0answers
645 views

Android not registering A and PTR records with DNS server

I have been running ISC BIND and DHCP servers on my private lan for quite some time now. Recently, I configured the two servers to enable Dynamic DNS updates to my private zone. It seems to be working,...
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26 views

Android won't query DNS server for IPv6 addresses, why?

I have a weird issue; for a single connect request to a server that has a single AAAA record my device runs two A queries instead and fails to connect. My setup is as follows: LAN (a regular router) ...
1
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0answers
33 views

DNS over internal VPN?

I'm a newbie so, my bad if my question is a non sense to you. I'm currently renting a server where I installed PiHole and PiVPN. PiHole is a DNS sinkhole that I use for blocking add, and the PiVPN ...
1
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0answers
44 views

Private DNS over HTTPS rather than over TLS

The private DNS feature on Android Pie and above doesn't give you the option to select DNS-over-HTTPS (DoH) rather than DNS-over-TLS (DoT). I often connect to a network that doesn't allow traffic on ...
1
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0answers
118 views

On Firefox on Android, how to disable DNS over HTTPS and do normal DNS lookups via port 53?

I want Firefox on Android to be able to browse to local domain names on my LAN: http://koffiezetapparaat.lan should resolve to http://192.168.1.120 for instance. This works on desktop Firefox, but ...
1
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0answers
53 views

Can I find the path of name resolution?

I'd like to know which name servers are asked for a name, when I try to connect to a local device by name. Is it possible? I have a local DNS, which mostly works fine, but sometimes not. For example, ...
1
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0answers
1k views

Hotspot mobile network tethering and DNS

I and probably others know, if turning on the mobile hotspot and enable wifi-tethering, we are able to use our android phone to get internet access via a notebook (and other devices of course) ...
1
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1answer
598 views

Accessing local computer using hostname

From my tablet running Android 9 I would like to access a web site on my local server using its hostname (server). This works fine from my laptop computer running Debian 10. However, on my tablet I ...
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0answers
37 views

incorrectly receiving DNS settings from AP when connecting to public wifi

I had to fly recently. The flight had in-flight entertainment through gogoinflight, but I couldn't access it on my phone while everyone around me could. I thought the problem was with the router but ...
1
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1answer
668 views

Wifi hotspot giving “No internet, secured” on Huawei P10 with Android 8.0.0

This is driving me bonkers. I've been on a chat with Vodafone and they sent me APN settings, but that hasn't helped. I've tried the settings in this thread. And that hasn't helped this time (it did a ...
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0answers
1k views

Android Wi-Fi hotspot DNS resolver: locally point domain name to custom address without root

So, I know dnsmasq is used as DNS/DHCP server in Android when running as a Wi-Fi hotspot, that dnsmasq can be used to point users to a specific address when resolving addresses, and that there is a ...
1
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0answers
797 views

How to block access to domains with DNS66?

I'm using the open source Android app DNS66 to block ads on my smartphone. Is it possible to block entire domains (like facebook.com, twitter.com) with it too? My goal: Nothing loads if I visit e.g. ...
1
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0answers
2k views

Where are the DNS settings stored in Android?

I am using IP tables to force the system to used a specific DNS but it only seems to work for WiFi networks but not mobile data. These are the IP tables I use: iptables -t nat -A OUTPUT -p tcp --...
1
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1answer
2k views

Orbot transparent proxy requires enabling manually

My phone is HTC One M8 on Marshmallow stock ROM, rooted with Magisk. I've installed Orbot and noticed it doesn't work in transparent proxying mode when proxying all apps. It requires manual proxy ...
1
vote
1answer
1k views

Andiodine DNS Tunneling - Connects to server but unable to browse. No internet connectivity

I have an Iodine (DNS Tunneling) server running on my VPS and have tested and confirmed DNS Tunneling is working by connecting using the Iodine client from my local Linux machine. When using the ...
1
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1answer
5k views

I can just access Google and YouTube via a Wi-Fi hotspot created by my Windows 7 laptop. What’s wrong?

I have followed every step of this instruction, but my Android phone can only access Google and YouTube – and no other websites. What is wrong? It may be due to a DNS-server problem, but I cannot ...
1
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0answers
1k views

Zeroconf / Avahi mDNS resolution on Android

I'm running CyanogenMod 12.1 Android on a tablet. I'd like to access local servers and services that I have on my LAN which are advertised using Avahi with foo.local style names. When I try this in ...
1
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0answers
510 views

reverse tethering - offline for some applications

I try to get internet on my phone from my computer without instlling any tools. My configuration looks like : mybox -----(Ethernet)------[my computer]------(USB)-----[the phone] I enabled usb ...
1
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0answers
691 views

Android Download Manager does not properly resolve hostnames

I have had an issue for a while with a few of my Android tablets. Those tablets would consistently refuse to install or update software from Google Play. I have spent days looking for a solution; I ...
1
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0answers
242 views

USB thethering netdns set

Im Trying to create network emulation using USB tethering on KK. The problem is that I cant set net.dns to my host ip, and therefore any dns resolution is answered with Unknown Host. I read that ...
0
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0answers
19 views

How to troubleshoot DNS not resolved issues?

I can't open Hotstar/Disney+ on my Android phone/ Android TV. Upon investigation, I found out that the webpage hotstar.com is not opening in general on my phone/TV and is throwing an "err::NAME ...
0
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0answers
21 views

Android ignores DHCP “Search domain” unless it's on a VPN

So I have a single subnet, flat LAN, multiple wired access points all in bridge mode. I have ISC-DHCP server and Bind9 DNS server configured for dynamic DNS hosts etc. The DNS provides a local zone ...
0
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0answers
23 views

How to know the address of the dns server I m using?

Simple question but I couldn t find the answer anywhere. It is not part of ip informations and the information is not trivial when being connected to the Internet over lte. getprop | grep dns is ...
0
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2answers
42 views

Skype app on Android

I have temporarily moved to a new university for a research project, and I'm now using their wifi Internet connection. While everything seems to work fine with the Windows 10 laptop, the Skype app on ...
0
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0answers
36 views

whatsapp not connecting to network until opened

The problem is only with whatsapp app, only in my android device and only when connected to my WiFi. Background data is turned on. Battery optimization is off. Account sync is enabled. Proxy is none. ...
0
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0answers
61 views

How do I check the DNS settings for my mobile data connection?

Let me be specific on this: I am not asking how to change my DNS settings or how to set up alternative DNS servers. Google has provided quite a few links with suggestions how. For some reason I'm ...
0
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0answers
66 views

Private DNS - Password Protected?

I want to set up my kid's phone with dns-family.adgaurd.com to apply the family filter when using mobile data however I want to be able to protect it so he can't change it or turn off the private DNS. ...
0
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0answers
42 views

What would be a proper way to set dnscrypt-proxy on my phone to use DoH(Dns over https) to cloudflare servers

I'm using a Mediatek phone(stock rom) running Android 5.1.1 with root privillege(using Magisk). I downloaded the latest version of dnscrypt proxy for arm devices which came in a zip extension and can ...
0
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0answers
37 views

Is it OK to run dnscrypt-proxy as root, in terms of security?

I have dnscrypt-proxy installed. Its file permissions are set to: 755; Its files are owned by root; /etc/resolv.conf file permission is set to: 755; /etc/resolv.conf is owned by root. What bothers ...
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0answers
1k views

How do I solve DNS_PROBE_FINISHED_NXDOMAIN on android

I have an ssl web app hosted on my home network that uses dyn-dns to maintain my public IP address and a CNAME record to point my actual domain name to the dyn-dns domain name. This all works fine on ...
0
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0answers
65 views

Do Android 9+ systems have DNS config at all, anywhere?

20-dns.conf in /etc/dhcpcd/dhcpcd-hooks/ does not exist getprop | grep dns returns 0 results /etc/resolv.conf does not exist /system/etc/resolv.conf does not exist grep for 8.8.8.8 in whole /etc/ ...
0
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0answers
35 views

Changing third-party websites on android device without browser extensions available

I'm searching a way on how to change behavior of some website in mobile browser. For example: Remove annoing Ad (specific one) Change some elements on a website, to make it easier to read on small ...
0
votes
1answer
356 views

Why I am getting a strange DNS server in my dhcp client android phone?

Sorry for bad english. I have a DHCP server router with IP 192.168.0.254 Everything goes well, but my phone and my tablet gets a very strange DNS 1 server: 80980492081 Here is a screenshot: This is ...
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0answers
1k views

Can't change DNS Server on Android

I have few devices in my local network. I want them to have names like in this example: 192.168.1.1 router.home 192.168.1.2 nas.home 192.168.1.3 rpi.home I setup dnsmasq server on my NAS ...
0
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0answers
140 views

Modifying etc/hosts file doesn't work for redirecting to something else

I need to do it for security testing purpose of an app. I have a rooted emulator which runs 7.1.1, It is rooted, I changed hosts file by using echo command, root file explorer, adb push and every else ...
0
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0answers
51 views

Can I use DNS-over-TLS below Android Pie?

Unfortunately DoT isn't part of Android below version 9. Is there a workaround app or should I better install LineageOS 16 on my old smartphone device?