NLnet Labs NLnetLabs Open Netlabs OpenNetlabs DNS DNSSEC name server nameserver resolver Unbound NSD OpenDNSSEC LDNS getDNS infosec open source Krill Routinator RPKI BGPSEC ROA

dig web interface webinterface online dns host ns query lookup nameserver nameservers nslookup nslookups a aaaa mx cname any axfr ptr soa txt record records