Name servers
The IP addresses to use as name servers. If this is empty the application will default to using the /etc/resolv.conf file.
Default: Empty
Use TCP
Use TCP instead of UDP for DNS queries. UDP is faster, but is limited in size. DNS lookups will automatically use TCP for zone transfers (AFXR) and when a response was truncated.
Default: FALSE
Sctrict query mode
If the hostname that was looked up is not actually in the answer section of the response, the DNS lookup will return an empty answer section,
instead of an answer section that could contain CNAME records.
Default: FALSE
Randomize name servers
Randomize the name servers list each time it is used.
Default: FALSE
DNS port
The UDP/TCP port to use when making DNS queries.
Default: 53
Timeout
Timeout value to use for socket connections (in seconds).
Default: 5
Cache type
The type of cache to use.
Default: none
Cache size
The number of bytes the application is allowed to use as a DNS cache (in bytes)
Default: 1048576
Blacklists
The dns blacklists to use when performing DNS based blacklist checks.
Default: zen.spamhaus.org, bl.spamcop.net, b.barracudacentral.org , bl.score.senderscore.com, cidr.bl.mcafee.com, dnsbl.forefront.microsoft.com, bogons.cymru.com, scbl.abuseat.org, all.spamrats.com
AbuseIPDB API key
The API key required to use the AbuseIPDB IP address reputation service.
Default: empty
AbuseIPDB cache
Cache AbuseIPDB lookups for this long (in minutes). This can help lower API usage. Setting this to 0 will disable the cache.
Default: 240 minutes