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Learning DNS for Developers

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amazon.com 216.73.216.152 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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cidadebiz.oi.com.br IP addresses

Queried just now

A IPv4 address

15m

Time to live

View CLI command

Check propagation

ALGAR TELECOM S/A

AS16735

Brazil

São Paulo, São Paulo

AAAA IPv6 address

5m

Time to live

View CLI command

Check propagation

cidadebiz.oi.com.br has no AAAA records.