DNS check · 19 servers in Vietnam & worldwide
Check the SOA record worldwide
Zone administration details. See the SOA value that DNS servers in Vietnam and worldwide return, with TTL and response time.
FAQ
DNS in one minute
Every DNS server keeps the old record for a while, a period called the TTL. When it runs out, the server asks again and gets the new value. That is why some servers update at once and others take tens of minutes longer.
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