Translates domain names to IP addresses. DNS stands for Domain Name System.

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Connected to OpenVPN server (through WiFi), changing DNS on unprotected adapter stops Internet entirely

So whenever I connect to an OpenVPN with a configuration file I notice two things: The TAP- adapter has no gateway of it's own. Is that normal? Trying to resolve this problem: I copied all the ...
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38 views

Changing priorities of DNS and etc\hosts in Windows 2008 R2

The X issue One of our customers have an issue with Oracle DG - sometimes DNS is not responsive and DG connection fails. I decided to add fall back entry in etc\hosts, but it has cons too: DNS ...
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87 views

How to setup a private captive network using Wi-Fi at a tradeshow for in-booth app demos?

We all know trades shows could charge 1,000’s of dollars for basic Internet connectivity. As an app developer what option do we have if you want to show your latest world killing app? We were ...
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20 views

How to send email from a network to a subdomain?

Scenario: Network: abc.net1 Mail Server: mail.abc.net1 Exchange email: user1@abc.net1 Internal Server: internal.abc.net1 Internal has own domain: sub.local Has exchange configured: ...
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90 views

Locate Host Name on LAN (DNSMasq on DD-WRT)

I am running DNSMasq as both my DHCP and DNS server on my DD-WRT router. I had thought that DNSMasq was adding hosts that it registered in DHCP to the DNS server automatically, but I have a few ...
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20 views

Cannot browse to web sites where server is on same router

I have a cable router which provides NAT addresses 10.1.10.X as well as has static IPs on it. My local development computer is plugged directly into the router and so is the web server. The web ...
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1answer
27 views

Web browsers removing slash in URL

I have a URL (http://www.example.com/). Whenever me, a user, or a bot(search indexers) enter (http://www.example.com/Folder) the domain automatically redirects to (http://www.example.comFolder). All ...
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17 views

Can the DNS-server in FiOS-provided Actiontec router offer SRV-records?

I'm trying to teach my iOS-devices to print onto the LAN-connected printer here. The manual calls for adding certain DNS-records. On my LAN the FiOS-provided Actiontec-router is providing the ...
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1answer
28 views

Access subdomain folder directly from IP address

I have server located under X.Y.Z.C IP address. It runs Apache2. I've added additional domain to it, let us call it A. When I want to add something to it, I have to send files to A subdirectory in ...
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19 views

Invalid hostname in HELO sent by MUA

I have a mail server running exim4 with an ACL that drops the smtp session if the hostname in HELO is an IP address. Exim is configured to do the reverse dns check. The said ACL is the very first one ...
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28 views

Windows (8.1) disable websites temporarily

I'm using windows 8.1 and I want to disable certain websites temporarily. I'm doing web development work on my machine and I do not want certain iframes (to 3rd party websites) to load and/or not send ...
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63 views

The requested URL “/crossdomain.xml”, is invalid.

Every time I try to access the game lobby for a website I keep getting an error. The error only started yesterday and I am confused as to what the problem might be. I believe the problem is caused by ...
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12 views

Pin Hostnames to MAC Addresses when using Dynamic DNS Updates

I want to start using dynamic DNS updates for an internal system. I'd like the DNS server to pin a hostname to a MAC address so that once the host registers, then the DNS server will not allow others ...
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27 views

Can't access some websites

I have a networking/dns problem in my laptop. I can't access some websites. For example www.accuweather.com I am using a wireless connection. The issue is just in my laptop. I can access the sites ...
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1answer
35 views

Blocking AAAA responses for certain domains

I'm in Ireland, and my current ISP doesn't provide native IPv6 access -- even if I wanted their consumer implementation of it (which is apparently DualStack-Lite). So I'm using Hurricane Electric's ...
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1answer
77 views

Browsers delaying 5 seconds before attempting first dns query

I have a fresh OS install with Firefox. When i open Firefox the homepage (google) takes 5-8 seconds to load. All subsequent pages load instantly. I loaded Wireshark to check if its the DNS server ...
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1answer
28 views

configure router for DNS queries for specific domain

I want to configure my Netgear N-150 router so that it answers DNS queries within the LAN. This is in context of running different kinds of servers: e-mail, news, web or VoIP from home. Nothing is ...
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1answer
38 views

Is it possible I would get hacked by using DNS service? [closed]

I heard some people say, it’s possible that some hackers can access PCs while using public DNS service because they’ll be vulnerable to them. However, paid DNS service requires credentials, so it’s ...
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2answers
515 views

OSX: ssh: Could not resolve hostname: nodename nor servname provided, or not known

There are two mac hosts in my Wi-Fi network (laptop and Desktop) I'm trying to ssh laptop from Desktop - everything works fine When I'm trying to ssh from laptop to Desktop doing this: ssh ...
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23 views

DNS Router redirect to private IP

Sorry, If this has been asked before or the question is stupid. I am new to networking. I need a little help. At my home, I have a public IP and a small Cisco router. I am running various VMware ...
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2answers
55 views

Connect to my work LAN and ADSL a the same time

The scenario is to connect to my company LAN and an ADSL modem at the same time. My PC has two network cards. one is connected to internal company LAN(no Internet connection) and another is connected ...
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2answers
67 views

Domain name for Raspberry pi

I've a network with a router (TP-LINK) which delivers internet to my PC and laptop. Recently, I got raspberry pi and would like to connect to via ssh. The fact that I'm aware how to set ssh connection ...
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35 views

Cannot open one specific website on one machine

I recently stepped upon a very weird problem. There is a website and mail server running on a domain XYZ.com (example) It is blocked only on one specific pc in the whole company (there are 10 of ...
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26 views

Network with 2 vlan and IP forward

I've got 2 VLAN configured in a router. VLAN1 10.0.1.x VLAN2 10.0.2.x One of my server is on the VLAN2 only. I called it "control-server". From it, I can ping the ip address 10.0.1.4 but not the ...
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17 views

short often network pauses when 2 routers connected

my network looked like that: ISP cable --- ISP modem --- my router --- cable connection to computer 1 \-- wifi connection to computer 2 everything worked ...
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43 views

IPAD Air2 PPTP vpn missing vpn dns

User has an IPAD Air2. When he connects to the VPN using his iphone it does not get dns server settings. He is connecting to Windows RRAS as pptp vpn. If I connect with a windows laptop I get all ...
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13 views

sshuttle dns resolution incorrect

I am using sshuttle. When I do not have sshuttle running, I get to www.mycompany.com just fine because DNS resolves to the external IP address, which goes through the switch and to the internal IP ...
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1answer
24 views

Share access to HTTP server on OSX?

I recently became aware of http://docs.vagrantup.com/v2/share/, which enables: HTTP sharing will create a URL that you can give to anyone. This URL will route directly into your Vagrant ...
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33 views

How can I troubleshoot intermittent internet failures over Wi-Fi?

I’m connected to a router in a relatively crowded area via Wi-Fi, and have intermittent Internet issues. When this happens, a direct ping from my computer to 8.8.8.8 results in multiple dropped ...
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28 views

Using DNS to forward to a specific local address and port?

Im running a server on a local address, a raspberry pi at x.x.x.111:64738. I own a domain, mydomain.nu. I want to create a subdomain (the hosting provides a cPanel interface) and forward it to my ...
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1answer
19 views

Restarting BIND service getting error

When I restart the BIND service getting this error from syslog named[4960]: /etc/bind/named.conf:15: couldn't add command channel 127.0.0.1#953: address in use Even when I execute nslookup ...
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23 views

How to connect two debian VMs using vmware workstation so that one acts as a web server and the other as web client

I want to connect two virtual machines running using VMWare workstations - Debian Linux and I have setup private DNS server on one VM named "Server" and other VM is named "client". I am trying to ...
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2answers
131 views

Cascading Routers (LAN to WAN) and DNS

I live in a shotgun style house and thus am required to have to wireless routers to reach every room. The first router is in my roommate's room and has an IP address of 192.168.1.1 with a DHCP pool ...
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52 views

What more user-friendly options are available for overriding DNS than the HOSTS file? [closed]

I've used the HOSTS file for years to override DNS to allow me to view test versions of a site etc. running as if it were live. However, helping others who might want to see the site before it goes ...
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1answer
61 views

SSH Connect to Domain that points to different IP

A bit of background info, first: I have a domain that is configured to run a mail server, iRedadmin, postfix, etc. I can receive and send email and everything works great. The problem lies in the ...
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1answer
69 views

“Connection timed out” on specific website but ping works

I have a problem accessing www.mafiamofo.com website through any browser, I'm getting "connection timed out" in Firefox for example. I have 2 IP addresses from the same ISP. One IP goes directly in ...
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1answer
16 views

Add CAA and SSHFP records to TinyDNS?

One of the folks I work with is a fan of Bernstein's TinyDNS, so we run it internally. I'm having trouble figuring to how to add a CAA record and a SSHFP record to the server. There's a page on ...
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44 views

Dynamic DNS Name to resolve to Internal Server IP Address

I need to setup a DNS route so that the Dynamic DNS Name resolves to the Server when users are connected on the same network as the server, when users use any other internet connection the Dynamic DNS ...
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1answer
33 views

I see frequent PTR requests in my wireshark capture, are they normal?

Lately I've been getting very frequent DNS lookup failuers (I use Google's dns servers) so I set up wireshark to see some of the traffic and I see many PTR requests for IP's that don't seem relevant. ...
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3answers
605 views

Find all current DNS records

I have a domain, its a client's. Their domain needs moving, but the current provider is being difficult/slow in providing details on all the existing DNS records. Plus I have not been able to get in ...
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1answer
48 views

WIFI failures: No Functioning DNS available

WIFI always disconnects, and reports "no internet access". It might connect back after some time. It happens in many different locations: at home, in coffee shops etc. My colleague told me that it ...
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27 views

cant browse dev server on lan, but can ping

Ive got a weird issue. My mac book has its hosts file configured with the IP Address of my windows dev server hosted on my lan. I can ping the domain name on my lan without any issue. homedev.local ...
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56 views

Periodic DNS issue?

I have a periodic issue with DNS on a network. When the issue arises, DNS lookups are extremely slow or fails completely. All nodes have been configured to use the OpenDNS servers, but I have also ...
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17 views

Why do we need A record along with Glue Record? [closed]

When setting up private DNS we first create (1) Glue records on the Registry DNS level. Say, dns1.domain.com has the IP of 1.2.3.4 Then we need to create the similar (2) A records in the zone file of ...
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86 views

Windows 8.1 DNS Issues

I'm currently having DNS issues on my Windows 8.1 Desktop that happens only on my desktop. When I first boot up, if I try to browse to or ping any website via an internet browser or command prompt ...
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1answer
43 views

How to use my own DNS settings as an OpenVPN client?

I am using Ubuntu 14.04 and I’m connecting to a VPN server using OpenVPN via Gnome Network Manager. I prefer to use OpenNic as my DNS but my VPN provider uses Google Public DNS. My OpenNic DNS ...
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2answers
90 views

TTL when querying for any record with dig

This question comes from this topic. When I do this I get the remaining seconds until the A record expires in the queried nameserver: dig stackexchange.com However, if I do this I get the ...
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3answers
75 views

Can a DNS domain name point to a folder on a server?

So I have a DNS domain name for my computer so that I can connect to it easily without remembering my IP address every time and it works great. I also have a website that is being hosted off my ...
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50 views

I have a web server, and a local server. I want to host gitlab on my local server, and access it through a subdomain on the domain I own

How do I go about doing this? I don't need to know about the networking aspect as far as my home is concerned, but I'm not familiar with DNS settings, and I've really never messed with advanced ...
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41 views

Single machine on my network can't load a specific website

One windows 7 machine on my local home network is having trouble loading www.reddit.com I'm on a hardline into a linksys e1200 router. Other devices (laptop, phone, etc) have had no issues (wireless ...