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70 votes
Accepted

Why does the registered domain name “localtest.me” resolve to 127.0.0.1?

However, I'm still not sure how you can register an external domain to a local one. This is confusing as a tracert localtest.me never even leaves the machine. How is this handled on the low level? ...
grawity_u1686's user avatar
40 votes
Accepted

Can a single server be associated with multiple domains?

Can a single server be associated with multiple domains? Yes. This would be done by pointing those domains at your web server via DNS. If I own the "x.x.x.x" web server, can I make two separate ...
Anaksunaman's user avatar
  • 17.4k
38 votes
Accepted

.com registration details leaked

Every domain is required by ICANN to have a WHOIS entry, which among other things, includes the name, address, email, and phone number information of the domain's registrant, administrative, and ...
I say Reinstate Monica's user avatar
32 votes
Accepted

Can a registered domain name have no DNS records at all?

TL;DR It's extremely unlikely (though not technically impossible) that a properly registered domain would have zero* DNS records. The existence of the domain must be announced to the global DNS system ...
I say Reinstate Monica's user avatar
28 votes
Accepted

Why is there a website needed when having a mail-only domain?

No. You don't need a website for an email address and having one does very little if anything for your (email sending) reputation - certainly email won't be rejected just because you don't have a ...
davidgo's user avatar
  • 71.1k
24 votes
Accepted

What is the maximum length of a domain name?

It depends on the context. Your RFCs list different limits because they talk about different things – the SMTP limit of 255 is specifically for the domain-part of local@domain email addresses and has ...
grawity_u1686's user avatar
21 votes

Is there a way around being required to use GoDaddy as the registrar when using a custom domain with Microsoft 365 Family?

This related Reddit discussion indicates that it's possible and working at the time. It involves pretending to go to GoDaddy, and then capturing key values from the outlink for manual DNS updating. ...
lairdb's user avatar
  • 331
19 votes
Accepted

What is the difference between a domain and a realm

Individually, the terms 'domain' and 'realm' mean nearly the same thing, but for different systems. Realms and realm names come from the Kerberos authentication protocol, where they serve practically ...
grawity_u1686's user avatar
16 votes

Re-joining a computer to domain

As of Server 2008 R2, the task is very simple. We may now use the Test-ComputerSecureChannel cmdlet. Test-ComputerSecureChannel -Credential (Get-Credential) -Verbose Add the -Repair parameter to ...
InteXX's user avatar
  • 550
16 votes

Why does the registered domain name “localtest.me” resolve to 127.0.0.1?

There are other answers that go into deeper detail, but the core of this question is really simple to answer: “However, I'm still not sure how you can register an external domain to a local one.” ...
Giacomo1968's user avatar
  • 55.9k
15 votes
Accepted

IP resolves to strange domain

Here reverse DNS is being used to describe the machine having this address, not the services provided by it. It is important that there isn't a 1:1 correspondence between websites and servers. The ...
grawity_u1686's user avatar
13 votes

Can I monitor a local unix domain socket like tcpdump?

// backup the socket sudo mv /var/run/docker.sock /var/run/docker.sock.original // use tcp port 8089 proxy the original socket sudo socat TCP-LISTEN:8089,reuseaddr,fork UNIX-CONNECT:/var/run/docker....
任喜军's user avatar
  • 141
13 votes

Given a safe domain, are subdirectories safe as well?

A domain might be "safe", but its contents might be unsafe. Example: Is google.com safe? The answer would be "Certainly", but actually Google is one of the world's main vectors of infection. This is ...
harrymc's user avatar
  • 484k
11 votes

Given a safe domain, are subdirectories safe as well?

You cannot know that by just looking at the URL. You can make a good guess if you already know how the website works and what it offers. What makes a domain "safe" is how its owner manages it. ...
grawity_u1686's user avatar
10 votes

How to add a domain user to Administrators group in Windows 10

Daniel's answer is a little bit a clue, but it is too complicated (VPN). This task is pretty simple: Computer has to be already in the domain. open Start menu and find (by writing) mmc but don't run ...
dmnc's user avatar
  • 538
10 votes

Setting up domain controller on windows 10

Active Director requires a Domain Controller, which needs to be set up on a Windows Server operating system. You can do this using Virtual Machines, though, this looks like a decent tutorial. Note ...
stuartd's user avatar
  • 584
9 votes

How are names resolved on modern local networks?

In short, it's a very messy mix of different sets of name resolution protocols used by different OSes, products, apps, services, and APIs. IETF ZeroConf defines the mDNS (multicast DNS) protocol and ...
Spiff's user avatar
  • 105k
8 votes

How to find the last IP used for an expired domain name?

Yes, you can find that information using the ViewDNS.info IP History page. I can see the last 3 IP addresses for a domain I let expire earlier this year and the two IP addresses used in the past for a ...
moonpoint's user avatar
  • 5,188
8 votes

How do I change my Windows domain password when my PC is not on the domain?

Turns out this is actually fairly simple. On the change password screen, accessed by hitting ctrl+alt-delete at the computer (or remotely*) you can actually edit the user name to something else, such ...
Mattias Isegran Bergander's user avatar
8 votes

Blocking stackexchange

First, an aside, spending time here on stackexchange is hardly wasting time. Either you are getting answers to questions you ask, or helping out a fellow user. Neither educating yourself nor helping ...
cybernard's user avatar
  • 14.1k
8 votes

Why does the registered domain name “localtest.me” resolve to 127.0.0.1?

What is so special about localtest.me? It points to 127.0.0.1 (localhost). This address is always reserved for the local computer. Are there others? (And how to find them?) Yes. Google and Super ...
Anaksunaman's user avatar
  • 17.4k
8 votes
Accepted

Is it possible to checkout the expiration time of a SSL key?

Keys do not expire. Certificates do. Certificates are binary data. They are not human-readable without tools. Depending on how the certificate as encoded, you can just rename it to .cer and open it on ...
Daniel B's user avatar
  • 63.5k
7 votes

Wallpaper in Windows 7 locked down by domain group policy?

A slight variation to Ryan's answer above is to load regedit and to navigate to the same key: HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies Under this key there may be a key: ...
shwashbuckle's user avatar
6 votes

What about this special domain "to."

In theory, any fully qualified domain name is supposed to end with a . - this is in the original RFC but ignored for practical reasons. You could also set a server to point at a TLD, but this isn't ...
Journeyman Geek's user avatar
  • 130k
6 votes

How do I check the domain name for a Mac?

The question title and the question itself seem to be asking two different questions. Domain Name To find the domain name on macOS devices, you can try cat /etc/resolv.conf and look for a line like ...
Mark's user avatar
  • 161
6 votes

Change (not reset!) my own domain user password on command prompt

It isn't asking for your current password because probably you run command/script as yourself, so it uses your credentials. You can use PowerShell Set-ADAccountPassword for this, if you want more ...
hagier's user avatar
  • 327
6 votes
Accepted

Whois database cannot find the entry?

When a domain name expires, it goes through a defined process before it is deleted and becomes available for registration again. The 3 phases are: grace period redemption period pending delete ...
Kate's user avatar
  • 556
6 votes

How do TLD DNS nameservers acquire records for authoritative nameservers

How does the TLD nameserver for the .com domain 'know' the authoritative namesservers for example.com. How does it acquire this information? You and your domain registrar tell it. When you enter the ...
Anaksunaman's user avatar
  • 17.4k
6 votes
Accepted

Error in named-checkzone: DNS zone error: has no address records (A or AAAA)

In a bind9 zone file, any fully qualified domain name (FQDN) needs to have the ending . character added to it. Your references around line 11-12ish ; name servers - NS records IN NS dns1.xyz1....
ivanivan's user avatar
  • 2,952

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