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Does dig check etc hosts?
You should use “dig” for troubleshooting DNS lookups. Neither of those will interrogate /etc/hosts though.
Does nslookup ignore hosts file?
As Crypt32’s answer, the nslookup command does NOT use hosts file but DNS. If you remove the DNS, you could use ping instead and it will return the IP provided in your hosts file. If you want to run nslookup command to resolved the IP address, please setup the ip for this domain in a real DNS Server.
How do I ignore a host file?
To prevent the computer from communicating to any external DNS name, add the relevant name to the HOSTS file and point it to the 127.0. 0.1 IP address (which is the local host itself), or to 0.0.
What uses ETC hosts?
The /etc/hosts file contains a mapping of IP addresses to URLs. Your browser uses entries in the /etc/hosts file to override the IP-address-to-URL mapping returned by a DNS server. This is useful for testing DNS (domain name system) changes and the SSL configuration before making a website live.
What is getent in Linux?
getent is a Unix command that helps a user get entries in a number of important text files called databases. This includes the passwd and group databases which store user information – hence getent is a common way to look up user details on Unix.
Does Firefox use the hosts file?
So the answer is no, firefox (as all other browser I’ve tried) honors /etc/hosts . You should double check your hosts file content. Windows 10 itself will ignore hosts, e.g. when used to block telemetry.
How do I clear my DNS cache in Firefox?
Click on Firefox at the top left of your browser, go to the History menu, select Clear Recent History and check all boxes. Under Time range to clear select Everything (except passwords, if desired) and click Clear Now.
How do I use getent in Linux?
getent is a Linux command that helps the user to get the entries in a number of important text files called databases. This includes the passwd and the group of databases which stores the user information. Hence getent is a common way to look up in user details on Linux.
Why is nslookup ignoring the / etc / hosts entries?
The problem appears to be that it is ignoring the /etc/hosts entries only. This started out as a search for how to force reverse lookup to use the domain name specified for the host itself from its own /etc/hosts file. This was because it appears it was getting the reverse lookup from DNS instead.
What to use instead of nslookup, host, Dig?
Also nslookup is deprecated by ISC the makers of BIND. You should use the “host” command where available instead. You should use “dig” for troubleshooting DNS lookups.
Why is my hosts file not included in DNS look-up?
So does anyone know why my hosts file is not included in DNS look-up? nslookup only does proper DNS resolution, which is significantly different from the Name Service Switch subsystem that your other applications use; that is to say nslookup ignores /etc/hosts and mDNS.
Is the nslookup command deprecated in Linux?
Thanks anyway. It turned out that HP-UX had a specific version of nslookup written to check /etc/hosts AND name servers whereas most other commercial UNIX variants and Linux do NOT. Also nslookup is deprecated by ISC the makers of BIND. You should use the “host” command where available instead.
How do I get my host file back?
To reset the Hosts file back to the default yourself, follow these steps: Click Start, click Run, type Notepad, and then click OK. On the File menu, select Save as, type “hosts” in the File name box, and then save the file to the desktop. Select Start > Run, type %WinDir%\System32\Drivers\Etc, and then select OK.
Does nslookup check host file?
As Crypt32’s answer, the nslookup command does NOT use hosts file but DNS. If you remove the DNS, you could use ping instead and it will return the IP provided in your hosts file.
Do we need to restart after changing etc hosts?
10 Answers. You don’t need to reboot. Any changes you make to the hosts file are immediate. You used to need to reboot for changes to take effect in Windows 9x.
How do I find my host?
Follow these instructions to find your computer’s Host Name and MAC address.
- Open the command prompt. Click on the Windows Start menu and search “cmd” or “Command Prompt” in the taskbar.
- Type in ipconfig /all and press Enter. This will display your network configuration.
- Find your machine’s Host Name and MAC Address.
Why is my hosts file ignored when I change it?
Often, one decides to change the hosts file, and discovers that the changes refuse to take effect, or that even old entries of the hosts file are ignored thereafter. A number of “gotcha” mistakes can cause this, and it can be frustrating to figure out which one.
Why does / etc / hosts not work anymore for some?
There are many pro-performance intentions here, and some pro-privacy ones too. But there is a fatal privacy and security flaw in both the specification and implementation: it removes the ability for users to override domain name lookups in /etc/hosts, even when faced with actively malicious domain name operators.
Why does / etc / hosts not work on Big Sur?
But now on macOS 11 Big Sur, I notice that some /etc/hosts entries are ignored by Safari. DNS lookups with gethostbyname () correctly show the block/override address, but Safari displays the public site anyway. What on earth is going on? What’s changed with /etc/hosts and can I keep using it to override DNS entries when doing development work?
Is the / etc / hosts file working in Yosemite?
/private/etc/hosts seems to be working normally for me in Yosemite (version 10.10.1). It’s not necessary to flush the cache or reset discoveryd (the DNS resolver in Yosemite); sudo fs_usage | grep private/etc/hosts shows discoveryd reading the file immediately after I save changes to it.