127.0.0.1   duckduckgo.com
107.20.240.232  safe.duckduckgo.com

$ host safe.duckduckgo.com
safe.duckduckgo.com is an alias for duckduckgo.com.
duckduckgo.com has address 107.20.240.232
duckduckgo.com has address 23.21.193.169
duckduckgo.com has address 184.72.104.138
duckduckgo.com mail is handled by 10 in1-smtp.messagingengine.com.
duckduckgo.com mail is handled by 20 in2-smtp.messagingengine.com.