Only A records, no AAAA, want to support IPv6 visitors as well
AAAA records add IPv6 next to IPv4. Mobile providers in the Netherlands (KPN, T-Mobile) increasingly deliver dual-stack, and without AAAA you fall back to NAT64 or CGNAT with extra latency. Adding it is usually low-risk if your hosting truly supports IPv6.
Try this first
- 1First check whether your server or edge has a working IPv6 address (curl -6 https://yoursite or dig AAAA at your hosting provider).
- 2Add AAAA records alongside existing A records, same name, different record type. No replacement.
- 3Test from an IPv6-only client or via test-ipv6.com whether the site is reachable and TLS is correct.
- 4Check MX targets too, mail servers often pick up forgotten AAAAs while reverse-DNS does not match, leading to delivery issues.
- 5Watch monitoring closely for the first week, issues often only show up at specific ISPs.
When to bring us in
If you want to roll out AAAA broadly including mail and monitoring without surprises, we can stage the rollout.
See also
- Domain expires tomorrow and nobody saw the emailAn expired domain doesn't transfer instantly. There's a redemption window, but you pay extra.
- Unsure whether to enable auto-renewDisabling auto-renew only makes sense for domains you'll truly drop. For anything live, just keep it on.
- New registrar asks for auth code, can't find itEPP code or transfer code is the password to move a domain from registrar A to B.
None of the above fits?
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