Yes — joinnovabookaccounts.com has IPv6.

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

This is a saved measurement from 2026-11-07 16:25 UTC. Check joinnovabookaccounts.com live now

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 joinnovabookaccounts.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3035::6815:4bfd answers · 443✓ 2606:4700:3037::ac43:b88e answers · 443	yes
www over IPv6 www.joinnovabookaccounts.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3035::6815:4bfd answers · 443✓ 2606:4700:3037::ac43:b88e answers · 443	yes
Mail servers (MX) have IPv6 Every mail server has an AAAA record. joinnovabookaccounts-com.mail.protection.outlook.com ✓	yes
Nameservers have IPv6 2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. serena.ns.cloudflare.com ✓watson.ns.cloudflare.com ✓	yes

HTTPS over IPv6 · not part of the grade yet
Redirects to novabook.com, which has no IPv6 address — so IPv6 visitors end up needing IPv4 after all.

https://joinnovabookaccounts.com/ via 2606:4700:3035::6815:4bfd → 301https://novabook.com/ · redirects to novabook.com, which has no IPv6 address

problem

Nothing keeping you from an A

A redirect leads off IPv6
Redirects to novabook.com, which has no IPv6 address — so IPv6 visitors end up needing IPv4 after all. Give the redirect target IPv6 too, or redirect somewhere that has it.

Check again

joinnovabookaccounts.com Has IPv6

A (IPv4)	172.67.184.142 104.21.75.253
AAAA (IPv6)	2606:4700:3035::6815:4bfd 2606:4700:3037::ac43:b88e

www.joinnovabookaccounts.com Has IPv6

A (IPv4)	104.21.75.253 172.67.184.142
AAAA (IPv6)	2606:4700:3035::6815:4bfd 2606:4700:3037::ac43:b88e

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: joinnovabookaccounts.com
Measured 2026-11-07 16:25:31 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    172.67.184.142, 104.21.75.253
AAAA (IPv6): 2606:4700:3035::6815:4bfd, 2606:4700:3037::ac43:b88e
www AAAA:    2606:4700:3035::6815:4bfd, 2606:4700:3037::ac43:b88e

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: joinnovabookaccounts.com has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3035::6815:4bfd: answers (TCP 443)
    2606:4700:3037::ac43:b88e: answers (TCP 443)
- www over IPv6: www.joinnovabookaccounts.com has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3035::6815:4bfd: answers (TCP 443)
    2606:4700:3037::ac43:b88e: answers (TCP 443)
- Mail servers (MX) have IPv6: Every mail server has an AAAA record.
- Nameservers have IPv6: 2 of 2 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): Redirects to novabook.com, which has no IPv6 address — so IPv6 visitors end up needing IPv4 after all.
    https://joinnovabookaccounts.com/ via 2606:4700:3035::6815:4bfd -> HTTP 301, certificate: valid
    https://novabook.com/ (redirects to novabook.com, which has no IPv6 address)
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/bC_Za7se0e

Permanent link: aaaa.bot/r/bC_Za7se0e · How we measure

Checked 2026-11-07 16:25:31 UTC. Full DNS report: dns.pizza/domain/joinnovabookaccounts.com · Age, certificate and blocklists: how.is/joinnovabookaccounts.com · JSON: /api/v1/joinnovabookaccounts.com