Has an IPv4 address but no IPv6 (AAAA) record. IPv6-only visitors can't reach it directly.
Measured 2026-11-01 13:36 UTC. We reuse a result for up to a week, so we aren't testing the same site over and over. Check quizlet.com now
| Website over IPv6 quizlet.com has no AAAA record. | no |
| www over IPv6 www.quizlet.com has no AAAA record. | no |
| Mail servers (MX) have IPv6 Every mail server has an AAAA record. aspmx.l.google.com ✓alt1.aspmx.l.google.com ✓alt2.aspmx.l.google.com ✓aspmx2.googlemail.com ✓aspmx3.googlemail.com ✓aspmx4.googlemail.com ✓aspmx5.googlemail.com ✓ | yes |
| Nameservers have IPv6 2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. ian.ns.cloudflare.com ✓lily.ns.cloudflare.com ✓ | yes |
First measured 2026-11-01; last confirmed 2026-11-01.
quizlet.com IPv4 only
| A (IPv4) | 104.16.134.27 104.16.133.27 |
|---|---|
| AAAA (IPv6) | none |
www.quizlet.com IPv4 only
| A (IPv4) | 104.16.133.27 104.16.134.27 |
|---|---|
| AAAA (IPv6) | none |
Visitors on IPv6-only networks (many mobile carriers) can still reach it, but only through a translator their carrier runs (NAT64). The site itself has no IPv6 address — and you can't make one up from the IPv4. Why some hosts don't offer it
Permanent link: aaaa.bot/r/JQKxBcO4mN · How we measure
Checked 2026-11-01 13:36:25 UTC. Full DNS report: dns.pizza/domain/quizlet.com · JSON: /api/v1/quizlet.com