host Linux Commands
What is Linux host Command?
Explanation
host COMMAND:host command is used to find the ip address of the given domain name and also prints the domain name for the given ip.SYNTAX :
host [-aCdlnrTwv] domain-name/ipaddressOPTIONS:
-a
Prints all the DNS records for the given hostname.
-C
Prints the SOA records and authorative name servers.
-d
It is equivalent to -v.
-l
Lists all hosts in a domain using AXFR.
-t
used to select the query type.
Query Type: CNAME,NS,SOA,KEY etc,.
-W
Specifies how long to wait for a reply.
-v
Verbose output is generated by host.
-T
Use TCP instead of UDP to query nameserver. This is implied in queries that require TCP, such as AXFR requests.
EXAMPLE:
- To find the ipaddress of a hostname
host 123456789.co.in
123456789.co.in has address 69.65.102.222
By typing the hostname along with the host command you can get its ipaddress.
The ip address of 123456789.co.in is 69.65.102.222
- To Print SOA record information:
host -C 123456789.co.in
Nameserver ns1.dnshorizon.com:
123456789.co.in SOA ns1.dnshorizon.com. saisan.gmail.com.
2007062001 86400 7200 3600000 86400
Nameserver ns2.dnshorizon.com:
123456789.co.in SOA ns1.dnshorizon.com. saisan.gmail.com.
2007062001 86400 7200 3600000 86400
The above cmd prints the host's nameserver and its SOA record.
host [-aCdlnrTwv] domain-name/ipaddress
OPTIONS:
-a
Prints all the DNS records for the given hostname.
-C
Prints the SOA records and authorative name servers.
-d
It is equivalent to -v.
-l
Lists all hosts in a domain using AXFR.
-t
used to select the query type.
Query Type: CNAME,NS,SOA,KEY etc,.
-W
Specifies how long to wait for a reply.
-v
Verbose output is generated by host.
-T
Use TCP instead of UDP to query nameserver. This is implied in queries that require TCP, such as AXFR requests.
EXAMPLE:
- To find the ipaddress of a hostname
host 123456789.co.in
123456789.co.in has address 69.65.102.222
By typing the hostname along with the host command you can get its ipaddress.
The ip address of 123456789.co.in is 69.65.102.222
- To Print SOA record information:
host -C 123456789.co.in
Nameserver ns1.dnshorizon.com:
123456789.co.in SOA ns1.dnshorizon.com. saisan.gmail.com.
2007062001 86400 7200 3600000 86400
Nameserver ns2.dnshorizon.com:
123456789.co.in SOA ns1.dnshorizon.com. saisan.gmail.com.
2007062001 86400 7200 3600000 86400
The above cmd prints the host's nameserver and its SOA record.
| -a | Prints all the DNS records for the given hostname. |
| -C | Prints the SOA records and authorative name servers. |
| -d | It is equivalent to -v. |
| -l | Lists all hosts in a domain using AXFR. |
| -t | used to select the query type. Query Type: CNAME,NS,SOA,KEY etc,. |
| -W | Specifies how long to wait for a reply. |
| -v | Verbose output is generated by host. |
| -T | Use TCP instead of UDP to query nameserver. This is implied in queries that require TCP, such as AXFR requests. |
- To find the ipaddress of a hostname host 123456789.co.in
123456789.co.in has address 69.65.102.222
By typing the hostname along with the host command you can get its ipaddress. The ip address of 123456789.co.in is 69.65.102.222 - To Print SOA record information:host -C 123456789.co.in
Nameserver ns1.dnshorizon.com:
123456789.co.in SOA ns1.dnshorizon.com. saisan.gmail.com.
2007062001 86400 7200 3600000 86400 Nameserver ns2.dnshorizon.com:
123456789.co.in SOA ns1.dnshorizon.com. saisan.gmail.com.
2007062001 86400 7200 3600000 86400
The above cmd prints the host's nameserver and its SOA record.
