Exam AZ-104 topic 2 question 43 discussion

Correct answer - D. Registrar “owns” the tld and will have their NS registered against the domain by default. By changing the registrar NS records to point to your Azure DNS NS records you take ownership into your Azure DNS.

D. Modify the NS records in the DNS domain registrar.

D is corerct

D is right. After you add a Custom domain name on azure, if you need to make it searchable online, you need to modify the NS record on the registrar. On the Azure DNS page, azure will give you 4 DNS server with his properly name. You need to go on the registrar and add those 4 NS record to make it work in azure.

Update NS record to point to the Azure DNS nameservers. This direct internet traffic to use Azure DNS for resolving records in the contoso.com zone.

D is right

D is right

also in the question they ask for u to ensure the records already created so A and C becomes wrong immediately

D. Modify the NS records in the DNS domain registrar. To ensure that records created in the contoso.com zone are resolvable from the internet, you need to modify the NS (Name Server) records in the DNS domain registrar. When you create a public Azure DNS zone named contoso.com, Azure assigns a set of NS records for that zone. These NS records specify the name servers responsible for handling DNS queries for the contoso.com domain. To make the records in the Azure DNS zone resolvable from the internet, you need to update the NS records at the DNS domain registrar to point to the name servers provided by Azure.

watch this video to understand really what an NS record is !👇 https://www.youtube.com/watch?v=WyDQhlRDad8&t=2s

D. Modify the NS records in the DNS domain registrar. To ensure that records created in the Azure DNS zone named contoso.com are resolvable from the internet, you need to delegate the domain to the Azure DNS name servers. To do this, you need to modify the NS (Name Server) records at the DNS domain registrar for contoso.com to point to the Azure DNS name servers. This will allow the authoritative DNS server for contoso.com to be hosted in Azure and answer queries for the contoso.com zone. Option A is not the correct answer, because creating NS records in the contoso.com zone will not delegate the domain to the Azure DNS name servers. Option B is also not the correct answer, because modifying the SOA (Start of Authority) record in the DNS domain registrar will not delegate the domain to the Azure DNS name servers either. Option C is also not necessary, because Azure DNS automatically creates an SOA record for each zone, and it cannot be modified.

Not seeing DNS questions in the 2 tests I took

D) "Modify the NS records in the DNS domain registrar." Reference: https://docs.microsoft.com/en-us/azure/dns/dns-delegate-domain-azure-dns#delegate-the-domain

this is pretty easy, D

Answer is D Delegate the domain Once the DNS zone gets created and you have the name servers, you'll need to update the parent domain with the Azure DNS name servers. Each registrar has its own DNS management tools to change the name server records for a domain. In the registrar's DNS management page, edit the NS records and replace the NS records with the Azure DNS name servers. When you delegate a domain to Azure DNS, you must use the name servers that Azure DNS provides. Use all four name servers, regardless of the name of your domain. Domain delegation doesn't require a name server to use the same top-level domain as your domain. https://docs.microsoft.com/en-us/azure/dns/dns-delegate-domain-azure-dns

https://docs.microsoft.com/en-us/azure/dns/dns-delegate-domain-azure-dns

Answer is D and here is some information helpful You can use Azure DNS to host your DNS domain and manage your DNS records. By hosting your domains in Azure, you can manage your DNS records by using the same credentials, APIs, tools, and billing as your other Azure services. Suppose you buy the domain contoso.net from a domain name registrar and then create a zone with the name contoso.net in Azure DNS. Since you're the owner of the domain, your registrar offers you the option to configure the name server (NS) records for your domain. The registrar stores the NS records in the .NET parent zone. Internet users around the world are then directed to your domain in your Azure DNS zone when they try to resolve DNS records in contoso.net.