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DNS Validator - Python

Reads cat /etc/resolv.conf and identifies the IP addresses inside Performs the foll checks: 1. Identifies the IP addresses from /etc/resolv.conf 2. Checks if the IP addresses are valid 3. Checks if the IP addresses or nameservers are reachable 4. Checks if queries to www.google.com can be resolved using the nameservers

Example:

[root@centos dns_parser]# python dnsResolveParser.py PING 67.207.67.3 (67.207.67.3) 56(84) bytes of data. 64 bytes from 67.207.67.3: icmp_seq=1 ttl=61 time=0.973 ms

--- 67.207.67.3 ping statistics --- 1 packets transmitted, 1 received, 0% packet loss, time 0ms rtt min/avg/max/mdev = 0.973/0.973/0.973/0.000 ms Nameserver 67.207.67.3 is reachable 172.217.164.100 Nameserver 67.207.67.3 is resolving www.google.com PING 67.207.67.2 (67.207.67.2) 56(84) bytes of data. 64 bytes from 67.207.67.2: icmp_seq=1 ttl=61 time=0.220 ms

--- 67.207.67.2 ping statistics --- 1 packets transmitted, 1 received, 0% packet loss, time 0ms rtt min/avg/max/mdev = 0.220/0.220/0.220/0.000 ms Nameserver 67.207.67.2 is reachable 216.58.195.68 Nameserver 67.207.67.2 is resolving www.google.com 2 valid entries in /etc/resolv.conf file [root@centos dns_parser]#

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