Yes — help-openbugbounty.help has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 help-openbugbounty.help has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3033::ac43:a239 answers · 443✓ 2606:4700:3032::6815:5ae8 answers · 443	yes
www over IPv6 www.help-openbugbounty.help has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3032::6815:5ae8 answers · 443✓ 2606:4700:3033::ac43:a239 answers · 443	yes
Mail servers (MX) have IPv6 Every mail server has an AAAA record. smtp.help-openbugbounty.help ✓	yes
Nameservers have IPv6 2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. marissa.ns.cloudflare.com ✓randy.ns.cloudflare.com ✓	yes

HTTPS over IPv6 · not part of the grade yet
Answered over IPv6 with a server error (HTTP 520) — can't tell whether that's specific to IPv6.

https://help-openbugbounty.help/ via 2606:4700:3033::ac43:a239 → 520

Nothing keeping you from an A

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

Check again

help-openbugbounty.help Has IPv6

A (IPv4)	104.21.90.232 172.67.162.57
AAAA (IPv6)	2606:4700:3033::ac43:a239 2606:4700:3032::6815:5ae8

www.help-openbugbounty.help Has IPv6

A (IPv4)	104.21.90.232 172.67.162.57
AAAA (IPv6)	2606:4700:3032::6815:5ae8 2606:4700:3033::ac43:a239

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: help-openbugbounty.help
Measured 2026-11-04 00:33:58 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    104.21.90.232, 172.67.162.57
AAAA (IPv6): 2606:4700:3033::ac43:a239, 2606:4700:3032::6815:5ae8
www AAAA:    2606:4700:3032::6815:5ae8, 2606:4700:3033::ac43:a239

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: help-openbugbounty.help has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3033::ac43:a239: answers (TCP 443)
    2606:4700:3032::6815:5ae8: answers (TCP 443)
- www over IPv6: www.help-openbugbounty.help has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3032::6815:5ae8: answers (TCP 443)
    2606:4700:3033::ac43:a239: 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): Answered over IPv6 with a server error (HTTP 520) — can't tell whether that's specific to IPv6.
    https://help-openbugbounty.help/ via 2606:4700:3033::ac43:a239 -> HTTP 520, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/m6p51WbyBQ

Permanent link: aaaa.bot/r/m6p51WbyBQ · How we measure

Checked 2026-11-04 00:33:58 UTC. Full DNS report: dns.pizza/domain/help-openbugbounty.help · Age, certificate and blocklists: how.is/help-openbugbounty.help · JSON: /api/v1/help-openbugbounty.help