IPv6 Deployment Status: latest error msg for 24hor.as

Error(s) found during latest scan: NS=ns1.locaweb.com.br=2804:218:d1::ca5a does not respond, NS=ns3.locaweb.com.br=2804:218:d3::faca does not respond, NS=ns2.locaweb.com.br=2804:218:d2::cafe does not respond,