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Domains DNS servers IPs

Learning DNS for Developers

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amazon.com 216.73.216.1 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

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relay.mail-cro-ironport-01.external.tpgtelecom.com.au OPT records

Queried just now

No OPT records No OPT records found for relay.mail-cro-ironport-01.external.tpgtelecom.com.au.

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