Bulk cPanel DNS Zone Update

1. Back up ALL DNS Zonefiles.

cp -a /var/named /var/named-backup

2. Update the Nameserver's in ALL DNS Zonefiles:

replace "ns1.domain.net" "ns1.domain.com" -- /var/named/*.db

3. Update the Serial/Timestamp in ALL DNS Zonefiles:

find /var/named/*.db -mtime -1 -exec perl -pi -e 'if (/^\s+(\d{10})\s+;\s+serial/i) { my $i = $1+1; s/$1/$i/;}' '{}' \;

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