Yes — lanhuong.vip has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 lanhuong.vip has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3032::ac43:b228 answers · 443✓ 2606:4700:3033::6815:2b6e answers · 443	yes
www over IPv6 www.lanhuong.vip has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3032::ac43:b228 answers · 443✓ 2606:4700:3033::6815:2b6e answers · 443	yes
Mail servers (MX) have IPv6 No MX records, so mail goes to the domain's own address (implicit MX). It has an AAAA record.	yes
Nameservers have IPv6 2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. selah.ns.cloudflare.com ✓yoxall.ns.cloudflare.com ✓	yes

HTTPS over IPv6 · not part of the grade yet
Redirects to www.vz60.com, which has no IPv6 address — so IPv6 visitors end up needing IPv4 after all.

https://lanhuong.vip/ via 2606:4700:3032::ac43:b228 → 301https://www.vz60.com/?inviteCode=69154876 · redirects to www.vz60.com, which has no IPv6 address

problem

Nothing keeping you from an A

A redirect leads off IPv6
Redirects to www.vz60.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

lanhuong.vip Has IPv6

A (IPv4)	104.21.43.110 172.67.178.40
AAAA (IPv6)	2606:4700:3032::ac43:b228 2606:4700:3033::6815:2b6e

www.lanhuong.vip Has IPv6

A (IPv4)	172.67.178.40 104.21.43.110
AAAA (IPv6)	2606:4700:3032::ac43:b228 2606:4700:3033::6815:2b6e

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: lanhuong.vip
Measured 2026-11-04 09:47:02 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    104.21.43.110, 172.67.178.40
AAAA (IPv6): 2606:4700:3032::ac43:b228, 2606:4700:3033::6815:2b6e
www AAAA:    2606:4700:3032::ac43:b228, 2606:4700:3033::6815:2b6e

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: lanhuong.vip has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3032::ac43:b228: answers (TCP 443)
    2606:4700:3033::6815:2b6e: answers (TCP 443)
- www over IPv6: www.lanhuong.vip has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3032::ac43:b228: answers (TCP 443)
    2606:4700:3033::6815:2b6e: answers (TCP 443)
- Mail servers (MX) have IPv6: No MX records, so mail goes to the domain's own address (implicit MX). It 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 www.vz60.com, which has no IPv6 address — so IPv6 visitors end up needing IPv4 after all.
    https://lanhuong.vip/ via 2606:4700:3032::ac43:b228 -> HTTP 301, certificate: valid
    https://www.vz60.com/?inviteCode=69154876 (redirects to www.vz60.com, which has no IPv6 address)
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/PF1m2YCWRI

Permanent link: aaaa.bot/r/PF1m2YCWRI · How we measure

Checked 2026-11-04 09:47:02 UTC. Full DNS report: dns.pizza/domain/lanhuong.vip · Age, certificate and blocklists: how.is/lanhuong.vip · JSON: /api/v1/lanhuong.vip