# DNS iterative queries

Queries

# dig @a.root-servers.net. -q www.s21sec.com. -t A +norecurse
# dig @a.gtld-servers.net. -q www.s21sec.com. -t A +norecurse
# dig @ns1.s21sec.com.     -q www.s21sec.com. -t A +norecurse
#
# dig -q www.s21sec.com. -t A +trace