Yes — usa-intuit.com has IPv6.

Has both IPv4 (A) and IPv6 (AAAA) addresses.

Measured 2026-11-05 21:15 UTC. We reuse a result for up to a week, so we aren't testing the same site over and over. Check usa-intuit.com now

IPv6 readiness

Works over IPv6, with one gap: its mail servers lack IPv6.

Website over IPv6 usa-intuit.com has an AAAA record and answers on it. ✓ 2607:f1c0:100f:f000::237 answers · 443	yes
www over IPv6 www.usa-intuit.com has an AAAA record and answers on it. ✓ 2607:f1c0:100f:f000::237 answers · 443	yes
Mail servers (MX) have IPv6 None of the mail servers has an AAAA record. mx00.ionos.com ✗mx01.ionos.com ✗	no
Nameservers have IPv6 4 of 4 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. ns1092.ui-dns.org ✓ns1062.ui-dns.de ✓ns1118.ui-dns.com ✓ns1045.ui-dns.biz ✓	yes

First measured 2026-11-05; last confirmed 2026-11-05.

HTTPS over IPv6 · not part of the grade yet
usa-intuit.com didn't complete an HTTPS request over IPv6 (ERR_SSL_TLSV1_ALERT_INTERNAL_ERROR).

https://usa-intuit.com/ via 2607:f1c0:100f:f000::237 · ERR_SSL_TLSV1_ALERT_INTERNAL_ERROR

What's keeping usa-intuit.com from an A

Mail servers without IPv6
mx00.ionos.com, mx01.ionos.com have no AAAA record, so mail from IPv6-only servers can't reach them directly. If a provider runs your mail, that's their setting; if you run it, add AAAA records for these hosts.

Check again

usa-intuit.com Has IPv6

A (IPv4)	74.208.236.68
AAAA (IPv6)	2607:f1c0:100f:f000::237

www.usa-intuit.com Has IPv6

A (IPv4)	74.208.236.68
AAAA (IPv6)	2607:f1c0:100f:f000::237

Browsers on dual-stack networks will usually pick IPv6 here (the "Happy Eyeballs" algorithm races both and prefers v6).

Copy the evidence — a citation-ready record of this measurement

IPv6 measurement: usa-intuit.com
Measured 2026-11-05 21:15:18 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    74.208.236.68
AAAA (IPv6): 2607:f1c0:100f:f000::237
www AAAA:    2607:f1c0:100f:f000::237

Readiness grade B: Works over IPv6, with one gap: its mail servers lack IPv6.
- Website over IPv6: usa-intuit.com has an AAAA record and answers on it.
    2607:f1c0:100f:f000::237: answers (TCP 443)
- www over IPv6: www.usa-intuit.com has an AAAA record and answers on it.
    2607:f1c0:100f:f000::237: answers (TCP 443)
- Mail servers (MX) have IPv6: None of the mail servers has an AAAA record.
- Nameservers have IPv6: 4 of 4 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.

Reachability = a TCP connection opened on port 443 (or 80).

HTTPS over IPv6 (not graded): usa-intuit.com didn't complete an HTTPS request over IPv6 (ERR_SSL_TLSV1_ALERT_INTERNAL_ERROR).
    https://usa-intuit.com/ via 2607:f1c0:100f:f000::237 (ERR_SSL_TLSV1_ALERT_INTERNAL_ERROR)
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/W16mkQf14o

Permanent link: aaaa.bot/r/W16mkQf14o · How we measure

Checked 2026-11-05 21:15:18 UTC. Full DNS report: dns.pizza/domain/usa-intuit.com · Age, certificate and blocklists: how.is/usa-intuit.com · JSON: /api/v1/usa-intuit.com