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Domains DNS servers IPs

Learning DNS for Developers

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amazon.com 216.73.216.106 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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spf-proofpoint.isc.upenn.edu IP addresses

Queried just now

A IPv4 address

10m

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spf-proofpoint.isc.upenn.edu has no A records.

AAAA IPv6 address

10m

Time to live

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Check propagation

spf-proofpoint.isc.upenn.edu has no AAAA records.