Question and response
Question
dig out.mail.icann.org. A
Answer
out.mail.icann.org. 600 A 64.78.33.5
out.mail.icann.org. 600 A 64.78.33.6
out.mail.icann.org. 600 A 64.78.33.7
out.mail.icann.org. 600 A 64.78.48.205
out.mail.icann.org. 600 A 64.78.48.206
out.mail.icann.org. 600 A 64.78.48.207
Authority
icann.org. 86400 NS a.icann-servers.net.
icann.org. 86400 NS b.icann-servers.net.
icann.org. 86400 NS c.icann-servers.net.
icann.org. 86400 NS ns.icann.org.
Additional
ns.icann.org. 3600 A 199.4.138.53
ns.icann.org. 3600 AAAA 2001:500:89:0:0:0:0:53
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0