mx: haddock.stackage.org.s3-website-us-east-1.amazonaws.com.
mx: s3-website.us-east-1.amazonaws.com.
ns: haddock.stackage.org.s3-website-us-east-1.amazonaws.com.
ns: ns-1286.awsdns-32.org.
ns: ns-1779.awsdns-30.co.uk.
ns: ns-437.awsdns-54.com.
ns: ns-611.awsdns-12.net.
ns: s3-website.us-east-1.amazonaws.com.