Yes — kasity.lol has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 kasity.lol has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3035::6815:58c2 answers · 443✓ 2606:4700:3036::ac43:986f answers · 443	yes
www over IPv6 www.kasity.lol has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3035::6815:58c2 answers · 443✓ 2606:4700:3036::ac43:986f 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. boyd.ns.cloudflare.com ✓josephine.ns.cloudflare.com ✓	yes

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

https://kasity.lol/ via 2606:4700:3035::6815:58c2 → 302https://vercel.com/sso-api?url=https%3A%2F%2Fkasity.lol%2F&nonce=757e93989e9cecc65b15a1ce28d14bd9a566603f7cce3ec37acf0c7caec5e60f · redirects to vercel.com, which has no IPv6 address

problem

Nothing keeping you from an A

A redirect leads off IPv6
Redirects to vercel.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

kasity.lol Has IPv6

A (IPv4)	172.67.152.111 104.21.88.194
AAAA (IPv6)	2606:4700:3035::6815:58c2 2606:4700:3036::ac43:986f

www.kasity.lol Has IPv6

A (IPv4)	172.67.152.111 104.21.88.194
AAAA (IPv6)	2606:4700:3035::6815:58c2 2606:4700:3036::ac43:986f

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: kasity.lol
Measured 2026-11-08 06:47:07 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    172.67.152.111, 104.21.88.194
AAAA (IPv6): 2606:4700:3035::6815:58c2, 2606:4700:3036::ac43:986f
www AAAA:    2606:4700:3035::6815:58c2, 2606:4700:3036::ac43:986f

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: kasity.lol has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3035::6815:58c2: answers (TCP 443)
    2606:4700:3036::ac43:986f: answers (TCP 443)
- www over IPv6: www.kasity.lol has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3035::6815:58c2: answers (TCP 443)
    2606:4700:3036::ac43:986f: 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 vercel.com, which has no IPv6 address — so IPv6 visitors end up needing IPv4 after all.
    https://kasity.lol/ via 2606:4700:3035::6815:58c2 -> HTTP 302, certificate: valid
    https://vercel.com/sso-api?url=https%3A%2F%2Fkasity.lol%2F&nonce=757e93989e9cecc65b15a1ce28d14bd9a566603f7cce3ec37acf0c7caec5e60f (redirects to vercel.com, which has no IPv6 address)
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/3oDOw4fGdp

Permanent link: aaaa.bot/r/3oDOw4fGdp · How we measure

Checked 2026-11-08 06:47:07 UTC. Full DNS report: dns.pizza/domain/kasity.lol · Age, certificate and blocklists: how.is/kasity.lol · JSON: /api/v1/kasity.lol