How NOT to use the DNS:
The original concept was first presented at the 2001 Sigcomm Conference Outrageous Opinions session in San Diego, CA. It's an example of what NOT to do with the DNS:
Classes where this has been used as an example:
If you have problems with the domain not being found, direct your requests to dns.postel.org directly.
Example using dig:
dig @dns.postel.org 3.4.add.calc.postel.org
Example using nslookup:
nslookup >server dns.postel.org >3.4.add.calc.postel.org 0.7.0.0