DNS
See whether public resolvers agree.
Enter a hostname. The check is free. Sign in to download the report. The scan reads A, mail, nameserver, CAA, and DNSSEC records from public resolvers and shows where the answers still differ.
01 Records
Address, mail, nameserver, certificate policy, and DNSSEC in one pass.
02 Resolvers
The same query at four public resolvers, with the answer beside each name.
03 Agreement
A single percent for how many resolvers still share the same answer.