ALL A AAAA CAA CNAME MX NS PTR SOA SRV TXT ANY

NS records for outlook.com:

Record	Type	Value	TTL
outlook.com	NS	ns2-05.azure-dns.net.	209
outlook.com	NS	ns3-05.azure-dns.org.	209
outlook.com	NS	ns1-05.azure-dns.com.	209
outlook.com	NS	ns4-05.azure-dns.info.	209

id 39898, opcode QUERY, rcode NOERROR, flags QR RD RA
;QUESTION
outlook.com. IN NS
;ANSWER
outlook.com. 209 IN NS ns2-05.azure-dns.net.
outlook.com. 209 IN NS ns3-05.azure-dns.org.
outlook.com. 209 IN NS ns1-05.azure-dns.com.
outlook.com. 209 IN NS ns4-05.azure-dns.info.
;AUTHORITY
;ADDITIONAL

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NS Record Lookup

whatsmydns.net NS Record Lookup tool lets you query DNS servers and get instant results.

Name Server or NS lookups are used to determine the NS records associated with a domain.

Looking for easier to understand results? Use the Global DNS Checker tool.

DNS NS Record

NS records, known as Nameserver records are used to store the nameservers for a domain. The nameservers identify which DNS servers are responsible for managing DNS records for the domain.

Example NS record

An example NS record may look like the following:

Record	Type	Value	TTL
example.com	NS	ns1.nameserver.com	3600

example.com represents the domain of the record.

NS is the record type.

ns1.nameserver.com is the value of the record. This is the address of the nameserver for this domain. NS records cannot point to CNAME records.

3600 is the TTL (time to live) of the record in seconds, this example represents 1 hour. This means that when a record has had updates made to it, then it will take 1 hour to update.

Primary & secondary NS records

Domains are typically configured with multiple NS records, this is important because if the nameservers for a domain are not configured correctly then this will mean that the website, email, or other services for the domain will not work.

To configure primary and secondary or backup nameservers multiple NS records should be created for the domain.

Record	Type	Value	TTL
example.com	NS	ns1.nameserver.com	3600
example.com	NS	ns2.nameserver.com	3600