DNS records
What are PTR MX SRV SPF AAAA DNS Records
- NS record - The Name Server record simply specifies the other name servers for the domain, or maps a domain name to that of the primary server for the zone.
- A record The Address record holds the IP address of the name.
- CNAME record The Canonical Name record is an alias field allowing you to specify more than one name for each TCP/IP address.
- MX record The Mail Exchange record specifies the name of the host that processes mail for this domain.
- HINFO record The Host record is the record that actually specifies the TCP/IP address for a specified host. All hosts that have static TCP/IP addresses should have an entry in this database.
- PTR record Pointer records are used for reverse lookup entries. They specify the IP address in reverse order and the corresponding host name.
how to use dig to query dns
Simple lookup : dig hackersgarage.com
Lookup Name Servers: dig @8.8.8.8 hackersgarage.com NS
Lookup using external DNS Server: dig @8.8.8.8 hackersgarage.com
Lookup MX record: dig @8.8.8.8 hackersgarage.com MX
Lookup CNAME record: dig @8.8.8.8 hackersgarage.com CNAME
Look TXT record (e.g will it will return SPF records, google verification methods): dig @8.8.8.8 hackersgarage.com TXT
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