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Domains DNS servers IPs

Learning DNS for Developers

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amazon.com 216.73.216.226 Your IP DNS Lookup DNS Propagation Checker SPF Record Lookup A Record Lookup AAAA Record Lookup CNAME Record Lookup TXT Record Lookup MX Record Lookup DNS History

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us.ntt.net SPF record

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Invalid SPF record One of the terms in the SPF record for us.ntt.net is invalid.

check TXT records