anchor.diff:  
   [cols="1,1,1,4",options=header]
   |===
  -| Key| Type | Default | Explanation
  -| BINDTTL | Boolean | false | Print TTLs in BIND format
  -| multiline | Boolean | false | Print records in multiline format
  -| noPrintIN | Boolean | false | Do not print the class of a record if it is `IN`
  -| tsigfudge | Integer | 300 | Sets the default TSIG fudge value (in seconds)
  -| sig0validity | Integer | 300 | Sets the default SIG(0) validity period (in seconds)
  +| Key | Type | Default | Explanation
  +| `BINDTTL` | Boolean | false | Print TTLs in BIND format
  +| `multiline` | Boolean | false | Print records in multiline format
  +| `noPrintIN` | Boolean | false | Do not print the class of a record if it is `IN`
  +| `tsigfudge` | Integer | 300 | Sets the default TSIG fudge value (in seconds)
  +| `sig0validity` | Integer | 300 | Sets the default SIG(0) validity period (in seconds)
   |===
   
   === Resolvers
  
positive.code: |true
  |false
  
  .2+|dnsjava.disable_idn
  3+|Disable parsing of Internationalized Domain Names (IDN).
  |Boolean
  |false
  |true
  
  4+h|dnssec options
  .2+|dnsjava.dnssec.keycache.max_ttl
  3+|Maximum time-to-live (TTL) of entries in the key cache in seconds.
  
negative.code: 
  ==== ExtendedResolver
  
  Resolver that uses multiple ``SimpleResolver``s to send the queries.
  Can be configured to query the servers in a round-robin order.
  Blacklists a server if it times out.
  
  