Required files
Dnsruby/resource/HINFO
Dnsruby/resource/MINFO
Dnsruby/resource/ISDN
Dnsruby/resource/MX
Dnsruby/resource/NAPTR
Dnsruby/resource/NSAP
Dnsruby/resource/PX
Dnsruby/resource/RP
Dnsruby/resource/RT
Dnsruby/resource/SOA
Dnsruby/resource/TXT
Dnsruby/resource/X25
Dnsruby/resource/SPF
Dnsruby/resource/CERT
Dnsruby/resource/LOC
Dnsruby/resource/OPT
Dnsruby/resource/TSIG
Dnsruby/resource/TKEY