22
votes
Accepted
Why do browsers know to lookup the `www` record if DNS query for @ gets NXDOMAIN?
Browsers generally have heuristics built in to add missing www. from domain names, but it isn't something you should rely on:
Browsers typically have a setting to turn off this "www fix up."...
- 93.9k
14
votes
Accepted
Is it possible to keep the existence of a domain secret?
Is it possible to keep the existence of a domain secret?
Secret to whom? And incidentally, why does it need to be secret?
Secret to your OS, applications you use (including plugins in your browser, ...
- 7,172
12
votes
Is it possible to keep the existence of a domain secret?
No not possible. ICANN, the org maintaining DNS provides something that's called Centralized Zone Data Service (CZDS). Which provides lists of all registered domains.
Here is a bunch of info on that: ...
- 229
8
votes
Is it possible to keep the existence of a domain secret?
They do have a list of all domains.
Agencies responsible for many TLDs (top level domain, e.g. .com), publish a zone file, a list of all registered domains in that TLD, along with their DNS servers. ...
7
votes
Will Changing My Websites Static IP Address cause any DNS issues?
No matter what you do, you can't 100% control clients cache and hence some will continue to use the old IP address for "some" time.
Which means, your service needs to continue to exist to ...
- 7,172
6
votes
Is it possible to keep the existence of a domain secret?
Consider this:
How did you ensure a9j47fn83jd8j49.tld wasn't already taken before buying it?
If your goal is to not be found out then you need to have a local network, a web server, a router-level ...
- 281
5
votes
Changing hosting for a domain but keeping email
It's actually much, much simpler than this. All you need to do is change the A records for the domain to point to your new hosting IP address. If the remaining DNS records are all currently working as ...
- 151
4
votes
Accepted
DNS changes on cloudflare to verify domain for SSL not reflecting
I just found solution to my problem, if you add CNAME record to cloudflare and its Proxied then it will show as A record when you check propagation on dnschecker.org in order for it to work as CNAME ...
- 669
4
votes
Is it possible to keep the existence of a domain secret?
Alternative of what you are describing might be a Tor hidden service (<random>.onion) and requiring a Tor cookie(v2) or RSA key-pair(v3). That way even though it'd be published (and still rather ...
- 153
4
votes
Accepted
Is there a way to forward my Google domain root to www?
If you are hosting with Heroku, they require that your DNS records all point to them by name, not by IP address. They reserve the right to change the IP address of your website at any time just by ...
- 93.9k
4
votes
Accepted
Submit Aws Amplify React App to Google Search Console for Indexing
You can edit and append the TXT record in Route 53, the AWS DNS service. In the console, search for the service and edit your domain: https://aws.amazon.com/premiumsupport/knowledge-center/route-53-...
- 156
3
votes
Accepted
How do DNS servers get added to the DNS tree?
Your understanding is flawed, and indeed there are 2 different scenarios that need to be discussed.
Broadly speaking there are 2 types if name servers (many nameservers act as both)
authorative ...
- 5,845
3
votes
Emails are only delivered to major mail services
Your emails are not being delivered because your SPF record is currently set to disallow all outgoing mail. Major email services rely on heuristics other than SPF to detect unwanted mail such as ...
- 14.8k
3
votes
subfolder is not resolved without force typing https
In this case the problem was that port 80 was redirected to 443 in windows firewall settings. I removed the port forwarding and port 80 is now working on all URLs.
Perhaps the main url http://reg....
- 299
3
votes
Accepted
Does Google Domains offer path fowarding (as opposed to redirecting the entire domain)?
Updated Answer
Redirecting/fowarding a domain can be done within Google Domains at {your domain} > Website > Forward Domain (or Edit Forwarding).
For more info, see Google's reference.
Old ...
- 582
3
votes
SPF Record for Google Domains Email Forwarding
My understanding is that SPF is for remote servers to authenticate the sender of messages from your domain. Therefore, the SPF record should indicate your sending systems and does not worry about ...
- 31
3
votes
Accepted
Does nameserver contain dns records?
I always thought a nameserver must have all DNS settings and the second nameserver would always clone the DNS settings of the primary nameserver. Is this actually not the case?
In a typical primary/...
- 7,172
2
votes
Accepted
How to play musical chairs with registrars for a .tech domain?
Most of the domain name market is open to competition, and hence you can shop around. You are not giving at least a ballpark of the current prices you are contemplating so it is difficult to know how ...
- 7,172
2
votes
Accepted
Subdomain folder content returns 404, but root level works
The problem is in a default configuration file that is included with Apache2 from Debian and Ubuntu: /etc/apache2/mods-available/alias.conf which has:
# We include the /icons/ alias for FancyIndexed ...
- 93.9k
2
votes
Google Domains redirecting website
You can set up an alias very easily:
https://support.google.com/mail/answer/22370?hl=en
EDIT: In case that link changes or is removed here are the basic steps to make an alias. See link for additional ...
- 4,743
2
votes
Accepted
Why does CNAME Cloaking enable cross domain tracking?
CNAME cloaking allows the tracker to bypass outright blocking of the tracking script. It does not allow cookies to be set across multiple domains.
To link cookies w1_id and w2_id set on different ...
- 93.9k
2
votes
How do DNS servers get added to the DNS tree?
You don't need a DNS server of your own to register a domain. Most domain owners use DNS hosting services provided by their domain registrar, their website host, or a third party. In fact, it would ...
- 93.9k
2
votes
How do I check that a domain is available without triggering a grabber?
The task is complex, because each tld's whois server's response follow a different template. You can get the list of the servers here: http://www.nirsoft.net/whois_servers_list.html Most server will ...
- 21
2
votes
Accepted
Adding GoDaddy Domain name in Azure CDN endpoint
It's looks you are created www.example.com.example.com instead www.example.com CNAME. You should change @ to azure edge CNAME domain.
- 1,101
2
votes
How do I redirect from an old domain to a new domain in MediaWiki and nginx?
Something like this in your server block should work:
...
server_name old.example;
return 301 $scheme://new.example$request_uri;
...
- 531
2
votes
Accepted
Why does my domain redirect in some browsers and not others?
One day after posting the question, and four days after making the change in domain redirects, I tried the link again today on Firefox and Safari and it worked. So it may have been simply a question ...
- 219
2
votes
Why do browsers know to lookup the `www` record if DNS query for @ gets NXDOMAIN?
You asked why the browsers know to do this, and Steven's answer does explain technically why they know (because the appropriate option is turned on), but not why the functionality was added. I will ...
- 121
2
votes
Can I point domain to another domain in different host
Your customers could alias their domains to your subdomains without your intervention. (From a DNS standpoint, there's nothing you need to do.)
If you're serving over HTTPS, your customers will have ...
- 121
2
votes
DNS record configuration for a website with the mail server hosted on different server, domain (FQDN) and IP
It sounds like what you really want is to have mail.example.com resolve to the IP address of mail.example2.io. To do this, add a record of type CNAME, with mail as the name, and mail.example2.io as ...
- 4,334
2
votes
Mask web application ipaddress:port with domain name
Cloudflare by default can proxy HTTP/HTTPS on a list of standard ports (source). See list below as of today.
If you would like to proxy on a different port (such as 4000), then you should consider ...
Only top scored, non community-wiki answers of a minimum length are eligible