recover deleted bind db.* files using dig

How to recover deletedbind zone files?

MethodsIf you accidentally delete /etc/bind/db.* files use one of the following methods for recovery

- Restore from latest backup- Use dig to retrieve records from memory- Use file recovery utility called ext3grep

Important: Do not restart bind service until you recover the zone files!

Using dnsutils (dig)1) Examine named.conf to see what zone files are available

cat /etc/bind/named.conf

2) Use dig with “advanced” options to format the output and save it to a filedig +nocmd +multiline +noadditional +noquestion \

+nostats +nocomments +nottlid localhost \ any | sed '1i $TTL 604800' > /etc/bind/db.local

3) Set proper file permissionschown root:bind /etc/bind/db.local

4) Reload named serviceservice named reload

Thank you!

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