nslookup: return only IP address - Unix & Linux Stack Exchange
Apr 20, 2019 · My research indicated nslookup was never really intended for scripted use: use dig instead, which with the +short option produces machine-readable output according to the query parameters. dig +s...
How can I resolve a hostname to an IP address in a Bash script?
Dec 13, 2015 · Chris Down and Heinzi briefly discussed the case where the hostname resolves to more than one IP addresses. In this case (and others below), basic scripting under the assumption that a hostname directly resolves to a single IP address may break. Below, an example with a hostname resolving to more than a single IP address:
Why does nslookup fail for DNS records set to a private address?
On some networks I'm able to use nslookup to resolve a domain name that is pointed to a private ip address: @work> nslookup my192.ddns.net Server: 10.1.2.3 Address: 10.1.2.3#53 Non-authoritative answer: Name: my192.ddns.net Address: 192.168.20.20 However, on my home network this same query fails:
script / command to get IPs from list of hostnames and combine …
The awk script detects the CNAME entries for host name aliases and saves a comma-separated list of aliases for each real hostname in the cn array, and does a similar operation to save the IP addresses in the ip array for each hostname. The END block goes through the hostnames in the ip array and checks to see whether it has any aliases or not ...
IP Address returned by nslookup - Unix & Linux Stack Exchange
Dec 8, 2019 · Or using nslookup, but with only 1 run for 2 queries: As nslookup could run in interactive mode, and so may answer multiple queries, there is a function using 1 fork to nslookup for asking as many queries needed for listing all ip address for one domain:
nslookup - Look Up IPs From Text File, Generate Another Text File …
Jun 13, 2019 · For IPv6 addresses we grep for the IP address after has AAAA address. Example: $ nslookup -type=AAAA 1.gravatar.com Server: 8.8.8.8 Address: 8.8.8.8#53 Non-authoritative answer: 1.gravatar.com has AAAA address 2a04:fa87:fffe::c000:4902 Authoritative answers can be found from: If both IPv4 and IPv6 fail, the output is NXDOMAIN domain www.domain.
Make nslookup use specific interface - Unix & Linux Stack Exchange
Dec 14, 2015 · Move interface eth1 into bear namespace sudo ip link set eth1 netns bear; Run nslookup in bear namespace sudo ip netns exec bear nslookup google.com; If you can't move eth1 into an isolated namespace, you might still be able to create a veth pair, and setup proper forwarding routes or bridge, then move one of the veth endpoint into isolated ...
Need to print the IP as list in bash script while resolving DNS
May 30, 2022 · I'm writing the below bash script for terraform external data provider # !/bin/bash echo {\"ip\";:\"`nslookup nlb-private-1-6ec90b26d1c9e906.elb.ap-south-1 ...
how to extract just the IP address from a DNS query
Oct 11, 2011 · On Alpine Linux, I'd like to know how to extract just the IP address from a DNS / dig query. The query I'm running looks like this: lab-1:/var/# dig +answer smtp.mydomain.net +short smtp.ggs.mydomain.net 10.11.11.11 I'd like to be able to get just the IP address returned. I'm currently playing around with the bash pipe and the awk command.
nslookup - Retrieve IPv6 address of website using terminal - Unix ...
May 19, 2019 · You need a way to specify that you want to retrieve an AAAA record instead of an A record. You'll want to use the dig command for this, which is the replacement for nslookup anyways. dig AAAA websitehostname or if you don't want the verbose output: dig AAAA +short websitehostname