How to interpret responses (2)

• If you get back "status: NXDOMAIN" it's a successful negative answer (i.e. the requested RR definitely does not exist). You should get a SOA record as well.
• "status: SERVFAIL" means all authoritative servers dead (seen only for recursive lookups)

Previous slide

Next slide

Back to the index

View Graphic Version

No notes for slide 27