The victim DNS, not yet knowing the answer for this query, forwards the query to the DNS server above it (8.8.8.8). The authoritative server (8.8.8.8) knows the answer, and responds that the NameServer of deadbeef.fun is ns1.41414141.club. The victim Windows DNS Server processes and caches this response.
"The answer you've received is essentially a cached or forwarded response from your local DNS server. Basically, a non-authoritative name server is one that does not contain the records for the zone being queried; your local DNS is likely not going to have Google's name records" The opposite of Non-Authoritative Answer is Authoritative-Only Answer. An authoritative-only name server give answers only to queries about domain names that have been specifically configured by the administrator of the server. Name servers can also be configured to give authoritative answers to queries in some zones. An authoritative answer from a reply should replace cached data that had been obtained from additional information in an earlier reply. However additional information from a reply will be ignored if the cache contains data from an authoritative answer or a zone file. The accuracy of data available is assumed from its source. Whenever you query a DNS record on your local DNS server, it returns a non-authoritative (unofficial) answer. If you want an authoritative answer, you must explicitly specify the authoritative DNS server when you use nslookup or other utilities. I think a local DNS server should be called caching DNS server. When someone registers a domain name, he/she can specify which DNS server is the authoritative DNS server. This information is called an NS record. Jun 16, 2020 · These are called authoritative DNS servers. Authoritative DNS nameservers are responsible for providing answers to recursive DNS nameservers about where specific websites can be found. These answers contain important information for each domain, like IP addresses. To get an authoritative answer you need to specify the authoritative (primary) name server at the end of the request. Use the -type=soa option to tell nslookup to display the authoritative name server, as shown in the following example:
Jul 11, 2013 · Then query the authoritative DNS server directly and look at the results. Querying the authoritative DNS server directly. To check if DNS has propagated throughout the world do a DNS lookup at whatsmydns.net. You can also setup secondary (or slave/backup) DNS servers the same way or get them free as mentioned in this article.
In a Domain Name System (DNS) environment, it is common for a user or an application to request a Reverse Lookup of a host name, given the IP address. This article explains this process. The following is quoted from RFC 1035: "The Internet uses a special domain to support gateway location and Internet address to host mapping. Jul 27, 2017 · 15.4 The DNS Answer (Answer Section) The Answer, Authority and Additional Section all comprise RRs and hence share the same format. The section the record appears in determines its type e.g. an A RR can appear in the Answer or Additional section. So far this stuff has been relatively straightforward if messy - take a deep breath before reading on. An authoritative answer is when the DNS server hosting the primary copy of the DNS record responses to your lookup. See the example below on how to get an authoritative response. The reason why the primary authoritative server isn't involved in responding to all nslookup queries is to reduce server load.
Oct 29, 2019 · The Domain Name System (DNS) is the address book of the Internet. When you visit cloudflare.com or any other site, your browser will ask a DNS resolver for the IP address where the website can be found. Unfortunately, these DNS queries and answers are typically unprotected. Encrypting DNS would improve user privacy and security.
An authoritative answer is when the DNS server hosting the primary copy of the DNS record responses to your lookup. See the example below on how to get an authoritative response. The reason why the primary authoritative server isn't involved in responding to all nslookup queries is to reduce server load.