Yes — tooltips.help has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 tooltips.help has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3036::ac43:812e answers · 443✓ 2606:4700:3037::6815:16f answers · 443	yes
www over IPv6 www.tooltips.help has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3037::6815:16f answers · 443✓ 2606:4700:3036::ac43:812e 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. elijah.ns.cloudflare.com ✓wally.ns.cloudflare.com ✓	yes

HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate after 1 redirect: HTTP 200.

https://tooltips.help/ via 2606:4700:3036::ac43:812e → 302https://crimson-union-a7d7.cloudflareaccess.com/cdn-cgi/access/login/tooltips.help?kid=fa9419949d99b16d44e9923803c7fee9815d908c0d534817a33c6df8ec8f3486&meta=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6ImM2NTUwYzlkZGQ4MjBlMDlhNmM2MTAzMjAwMzcyOGM5ZjE5NTFlMzUzYWFlNjA2NTdkZjI0NDIxNTQyMDEyMGUifQ.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.UIYLjaoZTs0ZPkXwfo_UCz1KClLwHjiqO26sycMY73snFXXOq-_tDXacECHzMmbqE5FpwvRE8fE5xUv-UYHTz98Vhe1_o9H3Z4Jlkb48SjHMiImHlWP0LIlSlzh-s44E-mIP3wrADPW8lSBl8ZPonwZdSnlrwiLZSO3NflHw1oRWPwcLZ08S-XsnaQDZLPCtBImdd9TxbK_o0aYPf2fSm1N7I64CEC84SGckhiwO703_10fMhixqOdEXvh37tPe7n5OUewhSQ9O_vOQ9v8BpXiY71EFA9JKtyMiRlfa9XVbAvswQ4JxgdDSB3hK2yIZ6kHq0rmZfYuh3h4pSL6APNQ&redirect_url=%2F via 2606:4700:300a::6813:c31d → 200

works

Nothing keeping you from an A

Nothing to fix
Show it off: add the badge to your README.
[![IPv6](https://aaaa.bot/badge/tooltips.help.svg)](https://aaaa.bot/tooltips.help)

Check again

tooltips.help Has IPv6

A (IPv4)	172.67.129.46 104.21.1.111
AAAA (IPv6)	2606:4700:3036::ac43:812e 2606:4700:3037::6815:16f

www.tooltips.help Has IPv6

A (IPv4)	104.21.1.111 172.67.129.46
AAAA (IPv6)	2606:4700:3037::6815:16f 2606:4700:3036::ac43:812e

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: tooltips.help
Measured 2026-11-06 14:40:04 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    172.67.129.46, 104.21.1.111
AAAA (IPv6): 2606:4700:3036::ac43:812e, 2606:4700:3037::6815:16f
www AAAA:    2606:4700:3037::6815:16f, 2606:4700:3036::ac43:812e

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: tooltips.help has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3036::ac43:812e: answers (TCP 443)
    2606:4700:3037::6815:16f: answers (TCP 443)
- www over IPv6: www.tooltips.help has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3037::6815:16f: answers (TCP 443)
    2606:4700:3036::ac43:812e: 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): Loads over IPv6 with a valid certificate after 1 redirect: HTTP 200.
    https://tooltips.help/ via 2606:4700:3036::ac43:812e -> HTTP 302, certificate: valid
    https://crimson-union-a7d7.cloudflareaccess.com/cdn-cgi/access/login/tooltips.help?kid=fa9419949d99b16d44e9923803c7fee9815d908c0d534817a33c6df8ec8f3486&meta=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6ImM2NTUwYzlkZGQ4MjBlMDlhNmM2MTAzMjAwMzcyOGM5ZjE5NTFlMzUzYWFlNjA2NTdkZjI0NDIxNTQyMDEyMGUifQ.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.UIYLjaoZTs0ZPkXwfo_UCz1KClLwHjiqO26sycMY73snFXXOq-_tDXacECHzMmbqE5FpwvRE8fE5xUv-UYHTz98Vhe1_o9H3Z4Jlkb48SjHMiImHlWP0LIlSlzh-s44E-mIP3wrADPW8lSBl8ZPonwZdSnlrwiLZSO3NflHw1oRWPwcLZ08S-XsnaQDZLPCtBImdd9TxbK_o0aYPf2fSm1N7I64CEC84SGckhiwO703_10fMhixqOdEXvh37tPe7n5OUewhSQ9O_vOQ9v8BpXiY71EFA9JKtyMiRlfa9XVbAvswQ4JxgdDSB3hK2yIZ6kHq0rmZfYuh3h4pSL6APNQ&redirect_url=%2F via 2606:4700:300a::6813:c31d -> HTTP 200, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/G3N6ZqfjxD

Permanent link: aaaa.bot/r/G3N6ZqfjxD · How we measure

Checked 2026-11-06 14:40:04 UTC. Full DNS report: dns.pizza/domain/tooltips.help · Age, certificate and blocklists: how.is/tooltips.help · JSON: /api/v1/tooltips.help