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View the AAAA (IPv6) DNS records for twitter.com. Check whether this domain supports IPv6 connectivity.
AAAA records (also called "quad-A" records) are DNS records that map a domain name to an IPv6 address. While A records point to 32-bit IPv4 addresses, AAAA records point to 128-bit IPv6 addresses. IPv6 was designed to replace IPv4 because the world is running out of IPv4 addresses. When a browser or application connects to twitter.comover IPv6, it uses the AAAA record to find the correct IPv6 address. Having AAAA records configured means twitter.com is accessible over both IPv4 and IPv6 networks.
IPv6 adoption is growing rapidly worldwide. Many mobile networks and ISPs now prefer IPv6 connections, and some networks are IPv6-only. If twitter.com does not have AAAA records, users on IPv6-only networks may experience slower connections through translation mechanisms or may not be able to reach the domain at all. Having proper IPv6 support through AAAA records ensures twitter.com is accessible to the widest possible audience, improves connection performance on modern networks, and future-proofs the domain as IPv4 addresses become increasingly scarce.
AAAA records indicate IPv6 support for a domain. Check the live results above to see whether twitter.com has AAAA records configured and which IPv6 addresses are assigned to it.
AAAA records map a domain name to one or more IPv6 addresses. The live lookup above shows the current AAAA records for twitter.com, along with a comparison to its IPv4 (A record) addresses.
A records map a domain to an IPv4 address (32-bit, like 93.184.216.34), while AAAA records map a domain to an IPv6 address (128-bit, like 2606:2800:220:1:248:1893:25c8:1946). IPv6 provides a vastly larger address space and is essential for the future of the internet as IPv4 addresses are nearly exhausted.