dns
What does the authority section mean in dig results? [closed]
The Authority section indicates the server(s) that are the ultimate authority for answering DNS queries about that domain. The reason for this section is that you can query any* DNS server(s) to answer a query for you. That server may choose though to answer the query from a cache. However, if you want to ensure … Read more
How does domain registration work? [closed]
Registrars job is primarily to coordinate and make sure there are no duplicates in domain names. ICANN manages them. At a technical level registrars (and registries) use the Extensible Provisioning Protocol to achieve this. They do update the DNS with nameserver information but not the Root DNS servers (which is an entirely different area) only … Read more
How to simulate browsing from various locations?
This is a bit of self promotion, but I built a tool to do just this that you might find useful, called GeoPeeker. It remotely accesses a site from servers spread around the world, renders the page with webkit and sends back an image. It will also report the IP address and DNS information of … Read more
How do I set up GitHub Pages to redirect DNS requests from a subdomain (e.g. www) to the top-level domain (TLD, Apex record)?
Short answer Step 1: Add a new file CNAME to your GitHub Pages repository containing only one line: your top-level domain name. E.g.: example.com Step 2: [Optional] but highly recommended 2.1: Remove all other top-level records (prefixed with @) of type A from your DNS configuration. 2.2: Remove a CNAME record for the second-level domain … Read more
Domain IP address for www and non-www for Canonical URL
The mechanisms you describe (A and CNAME records vs. 301 redirects) are part of two different protocols (DNS and HTTP). A and CNAME records have nothing to do with which site your HTTP server serves for different requests. Let’s look at two different DNS configurations: Configuration 1 (CNAME record) Host | Type | Data —————–+——-+————- … Read more
Wildcard subdomains with dnsmasq
In the dnsmasq.conf file, add the line address=/.domain.tld/192.168.0.1 But use the IP you actually want as that end bit
Reverse ip, find domain names on ip address
You can use nslookup on the IP. Reverse DNS is defined with the .in-addr.arpa domain. Example: nslookup somedomain.com yields 123.21.2.3, and then you do: nslookup 123.21.2.3 this will ask 3.2.21.123.in-addr.arpa and yield the domain name (if there is one defined for reverse DNS).
How do I solve the “server DNS address could not be found” error on Windows 10? [closed]
There might be a problem with your DNS servers of the ISP. A computer by default uses the ISP’s DNS servers. You can manually configure your DNS servers. It is free and usually better than your ISP. Go to Control Panel → Network and Internet → Network and Sharing Centre Click on Change Adapter settings. … Read more
Using dig to search for SPF records [closed]
I believe that I found the correct answer through this dig How To. I was able to look up the SPF records on a specific DNS, by using the following query: dig @ns1.nameserver1.example domain.example txt