Dnstools is a set of tools for DNS management and related tasks. It includes the following utilities:

rpsl2acl
Queries a set of RPSL database objects (normally route-sets) and converts them to an ACL for use in BIND configuration files.
axfr2acl
Transfers A records from the given DNS zones and converts them to an ACL for use in BIND configuration files.
dnsdbck
Verifies consistency of DNS information in an SQL database.
renewck
Checks expiration times of one or more domains and notifies the user via email about the domains that are approaching expiring.
vhostcname
Synchronizes DNS with server names and aliases from Apache virtual host configuration.
whoseip
Returns information about IP addresses: country code and network they belong to.