Yes — nbtx-services.com has IPv6.

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

B
IPv6 readiness
Works over IPv6, with one gap: its mail servers lack IPv6.
Website over IPv6
nbtx-services.com has 2 IPv6 addresses and answers on every one we tested.
✓ 2606:4700:3035::ac43:83c6 answers · 443✓ 2606:4700:3033::6815:b05 answers · 443
yes
www over IPv6
www.nbtx-services.com has 2 IPv6 addresses and answers on every one we tested.
✓ 2606:4700:3033::6815:b05 answers · 443✓ 2606:4700:3035::ac43:83c6 answers · 443
yes
Mail servers (MX) have IPv6
None of the mail servers has an AAAA record.
mx.zoho.com ✗mx2.zoho.com ✗mx3.zoho.com ✗
no
Nameservers have IPv6
2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.
grant.ns.cloudflare.com ✓monika.ns.cloudflare.com ✓
yes
HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate: HTTP 200.
https://nbtx-services.com/ via 2606:4700:3035::ac43:83c6 → 200
works
 Load nbtx-services.com over IPv6 from up to six other places — a second opinion.

What's keeping nbtx-services.com from an A

  1. Mail servers without IPv6
    mx.zoho.com, mx2.zoho.com, mx3.zoho.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

nbtx-services.com  Has IPv6

A (IPv4)172.67.131.198
104.21.11.5
AAAA (IPv6)2606:4700:3035::ac43:83c6
2606:4700:3033::6815:b05

www.nbtx-services.com  Has IPv6

A (IPv4)172.67.131.198
104.21.11.5
AAAA (IPv6)2606:4700:3033::6815:b05
2606:4700:3035::ac43:83c6

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

 Permanent link: aaaa.bot/r/8quZyHVCnu · How we measure

Checked 2026-11-01 00:50:06 UTC. Full DNS report: dns.pizza/domain/nbtx-services.com · JSON: /api/v1/nbtx-services.com