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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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spfext.rice.edu IP addresses from 2026-05-27 to 2026-06-01

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A IPv4 address

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Time to live

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spfext.rice.edu has no A records.

AAAA IPv6 address

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spfext.rice.edu has no AAAA records.