Yes — linkgrab.app has IPv6.

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

This is a saved measurement from 2026-11-04 02:57 UTC. Check linkgrab.app live now

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 linkgrab.app has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3035::ac43:8345 answers · 443✓ 2606:4700:3036::6815:a59 answers · 443	yes
www over IPv6 www.linkgrab.app has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3035::ac43:8345 answers · 443✓ 2606:4700:3036::6815:a59 answers · 443	yes
Mail servers (MX) have IPv6 Every mail server has an AAAA record. route2.mx.cloudflare.net ✓route1.mx.cloudflare.net ✓route3.mx.cloudflare.net ✓	yes
Nameservers have IPv6 2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. kyrie.ns.cloudflare.com ✓raphaela.ns.cloudflare.com ✓	yes

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

https://linkgrab.app/ via 2606:4700:3035::ac43:8345 → 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/linkgrab.app.svg)](https://aaaa.bot/linkgrab.app)

Check again

linkgrab.app Has IPv6

A (IPv4)	104.21.10.89 172.67.131.69
AAAA (IPv6)	2606:4700:3035::ac43:8345 2606:4700:3036::6815:a59

www.linkgrab.app Has IPv6

A (IPv4)	104.21.10.89 172.67.131.69
AAAA (IPv6)	2606:4700:3035::ac43:8345 2606:4700:3036::6815:a59

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: linkgrab.app
Measured 2026-11-04 02:57:56 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    104.21.10.89, 172.67.131.69
AAAA (IPv6): 2606:4700:3035::ac43:8345, 2606:4700:3036::6815:a59
www AAAA:    2606:4700:3035::ac43:8345, 2606:4700:3036::6815:a59

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: linkgrab.app has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3035::ac43:8345: answers (TCP 443)
    2606:4700:3036::6815:a59: answers (TCP 443)
- www over IPv6: www.linkgrab.app has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3035::ac43:8345: answers (TCP 443)
    2606:4700:3036::6815:a59: 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 200.
    https://linkgrab.app/ via 2606:4700:3035::ac43:8345 -> HTTP 200, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/zt7d_fzttJ

Permanent link: aaaa.bot/r/zt7d_fzttJ · How we measure

Checked 2026-11-04 02:57:56 UTC. Full DNS report: dns.pizza/domain/linkgrab.app · Age, certificate and blocklists: how.is/linkgrab.app · JSON: /api/v1/linkgrab.app