language: go
go:
    - 1.6
    - 1.7
    - 1.8
    - master
install:
    - go get github.com/miekg/dns
script:
    - go test -v
    - go vet -x

language: go
go:
    - 1.7
    - 1.8
    - master
install:
    - go get github.com/miekg/dns
script:
    - go test -v
    - go vet -x

Remove testing for Go 1.6
Remove testing for Go 1.6

It fails due to miekg's dns package requirements.
