Has both IPv4 (A) and IPv6 (AAAA) addresses.
| Website over IPv6 nrhtg.info has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3037::ac43:b111 answers · 443✓ 2606:4700:3031::6815:119c answers · 443 | yes |
| www over IPv6 www.nrhtg.info has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3037::ac43:b111 answers · 443✓ 2606:4700:3031::6815:119c answers · 443 | yes |
| Mail servers (MX) have IPv6 No MX records, so mail goes to the domain's own address (implicit MX). It has an AAAA record. | yes |
| Nameservers have IPv6 2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. dawn.ns.cloudflare.com ✓mark.ns.cloudflare.com ✓ | yes |
| HTTPS over IPv6 · not part of the grade yet Redirects to www.tiktok.com, which has no IPv6 address — so IPv6 visitors end up needing IPv4 after all. https://nrhtg.info/ via 2606:4700:3037::ac43:b111 → 301https://www.tiktok.com/explore · redirects to www.tiktok.com, which has no IPv6 address | problem |
nrhtg.info Has IPv6
| A (IPv4) | 172.67.177.17 104.21.17.156 |
|---|---|
| AAAA (IPv6) | 2606:4700:3037::ac43:b111 2606:4700:3031::6815:119c |
www.nrhtg.info Has IPv6
| A (IPv4) | 172.67.177.17 104.21.17.156 |
|---|---|
| AAAA (IPv6) | 2606:4700:3037::ac43:b111 2606:4700:3031::6815:119c |
Browsers on dual-stack networks will usually pick IPv6 here (the "Happy Eyeballs" algorithm races both and prefers v6).
Permanent link: aaaa.bot/r/n0uD7ULGfu · How we measure
Checked 2026-11-04 23:13:28 UTC. Full DNS report: dns.pizza/domain/nrhtg.info · Age, certificate and blocklists: how.is/nrhtg.info · JSON: /api/v1/nrhtg.info