go test fuzz v1
string("v=spf1 AܳԄЧөϻ˼߷ӷҽѳޜǐ˟͋ϓСޝŃ߃ɤ֭ě۩ϻ˼߷ӷҽѳޜǐ˟͋ϓСޝŃ̆߭˽͚ޱ۾0")
