Yes — ngapi.dev has IPv6.

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

Measured 2026-11-04 01:55 UTC. We reuse a result for up to a week, so we aren't testing the same site over and over. Check ngapi.dev now

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 ngapi.dev has 3 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:20::ac43:4a33 answers · 443✓ 2606:4700:20::681a:a83 answers · 443✓ 2606:4700:20::681a:b83 answers · 443	yes
www over IPv6 www.ngapi.dev has 3 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:20::681a:b83 answers · 443✓ 2606:4700:20::681a:a83 answers · 443✓ 2606:4700:20::ac43:4a33 answers · 443	yes
Mail servers (MX) have IPv6 Every mail server has an AAAA record. mx2.hostinger.com ✓mx1.hostinger.com ✓	yes
Nameservers have IPv6 2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. annalise.ns.cloudflare.com ✓rory.ns.cloudflare.com ✓	yes

First measured 2026-11-04; last confirmed 2026-11-04.

HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate: HTTP 403.

https://ngapi.dev/ via 2606:4700:20::ac43:4a33 → 403

works

Nothing keeping you from an A

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

Check again

ngapi.dev Has IPv6

A (IPv4)	104.26.11.131 172.67.74.51 104.26.10.131
AAAA (IPv6)	2606:4700:20::ac43:4a33 2606:4700:20::681a:a83 2606:4700:20::681a:b83

www.ngapi.dev Has IPv6

A (IPv4)	172.67.74.51 104.26.11.131 104.26.10.131
AAAA (IPv6)	2606:4700:20::681a:b83 2606:4700:20::681a:a83 2606:4700:20::ac43:4a33

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: ngapi.dev
Measured 2026-11-04 01:55:52 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    104.26.11.131, 172.67.74.51, 104.26.10.131
AAAA (IPv6): 2606:4700:20::ac43:4a33, 2606:4700:20::681a:a83, 2606:4700:20::681a:b83
www AAAA:    2606:4700:20::681a:b83, 2606:4700:20::681a:a83, 2606:4700:20::ac43:4a33

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: ngapi.dev has 3 IPv6 addresses and answers on every one we tested.
    2606:4700:20::ac43:4a33: answers (TCP 443)
    2606:4700:20::681a:a83: answers (TCP 443)
    2606:4700:20::681a:b83: answers (TCP 443)
- www over IPv6: www.ngapi.dev has 3 IPv6 addresses and answers on every one we tested.
    2606:4700:20::681a:b83: answers (TCP 443)
    2606:4700:20::681a:a83: answers (TCP 443)
    2606:4700:20::ac43:4a33: 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): Loads over IPv6 with a valid certificate: HTTP 403.
    https://ngapi.dev/ via 2606:4700:20::ac43:4a33 -> HTTP 403, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/pNMAv84woZ

Permanent link: aaaa.bot/r/pNMAv84woZ · How we measure

Checked 2026-11-04 01:55:52 UTC. Full DNS report: dns.pizza/domain/ngapi.dev · Age, certificate and blocklists: how.is/ngapi.dev · JSON: /api/v1/ngapi.dev