Yes — grantube.ink has IPv6.

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

Measured 2026-10-31 20:49 UTC. We reuse a result for up to a week, so we aren't testing the same site over and over. Check grantube.ink now

IPv6 readiness

Works over IPv6, with one gap: its mail servers lack IPv6.

Website over IPv6 grantube.ink has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3035::6815:1543 answers · 443✓ 2606:4700:3036::ac43:c4cf answers · 443	yes
Mail servers (MX) have IPv6 None of the mail servers has an AAAA record. eforward1.registrar-servers.com ✗eforward2.registrar-servers.com ✗eforward3.registrar-servers.com ✗eforward4.registrar-servers.com ✗eforward5.registrar-servers.com ✗	no
Nameservers have IPv6 2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. aiden.ns.cloudflare.com ✓pearl.ns.cloudflare.com ✓	yes

First measured 2026-10-31; last confirmed 2026-10-31.

HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate after 2 redirects: HTTP 200.

https://grantube.ink/ via 2606:4700:3035::6815:1543 → 302http://jpnews.asia/ via 2606:4700::6812:1d9d → 302https://www.google.com/ via 2001:4860:482c:7700:: → 200

works

What's keeping grantube.ink from an A

Mail servers without IPv6
eforward1.registrar-servers.com, eforward2.registrar-servers.com, eforward3.registrar-servers.com, eforward4.registrar-servers.com, eforward5.registrar-servers.com have no AAAA record, so mail from IPv6-only servers can't reach them directly. If a provider runs your mail, that's their setting; if you run it, add AAAA records for these hosts.

Check again

grantube.ink Has IPv6

A (IPv4)	104.21.21.67 172.67.196.207
AAAA (IPv6)	2606:4700:3035::6815:1543 2606:4700:3036::ac43:c4cf

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: grantube.ink
Measured 2026-10-31 20:49:54 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    104.21.21.67, 172.67.196.207
AAAA (IPv6): 2606:4700:3035::6815:1543, 2606:4700:3036::ac43:c4cf

Readiness grade B: Works over IPv6, with one gap: its mail servers lack IPv6.
- Website over IPv6: grantube.ink has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3035::6815:1543: answers (TCP 443)
    2606:4700:3036::ac43:c4cf: answers (TCP 443)
- Mail servers (MX) have IPv6: None of the mail servers 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 2 redirects: HTTP 200.
    https://grantube.ink/ via 2606:4700:3035::6815:1543 -> HTTP 302, certificate: valid
    http://jpnews.asia/ via 2606:4700::6812:1d9d -> HTTP 302
    https://www.google.com/ via 2001:4860:482c:7700:: -> HTTP 200, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/9TDVoEg4Iv

Permanent link: aaaa.bot/r/9TDVoEg4Iv · How we measure

Checked 2026-10-31 20:49:54 UTC. Full DNS report: dns.pizza/domain/grantube.ink · JSON: /api/v1/grantube.ink