Has an IPv4 address but no IPv6 (AAAA) record. IPv6-only visitors can't reach it directly.
| Website over IPv6 rubyhost.org has no AAAA record. | no |
| www over IPv6 www.rubyhost.org has no AAAA record. | no |
| Mail servers (MX) have IPv6 Every mail server has an AAAA record. route1.mx.cloudflare.net ✓route3.mx.cloudflare.net ✓route2.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. bayan.ns.cloudflare.com ✓clara.ns.cloudflare.com ✓ | yes |
We couldn't test whether the addresses answer right now, so this grade is based on DNS alone.
rubyhost.org IPv4 only
| A (IPv4) | 13.143.133.103 |
|---|---|
| AAAA (IPv6) | none |
www.rubyhost.org IPv4 only
| A (IPv4) | 13.143.133.103 |
|---|---|
| AAAA (IPv6) | none |
Visitors on IPv6-only networks (many mobile carriers) can still reach it, but only through a translator their carrier runs (NAT64). The site itself has no IPv6 address — and you can't make one up from the IPv4. Why some hosts don't offer it
Permanent link: aaaa.bot/r/bjkioYcLmc · How we measure
Checked 2026-11-06 09:32:06 UTC. Full DNS report: dns.pizza/domain/rubyhost.org · Age, certificate and blocklists: how.is/rubyhost.org · JSON: /api/v1/rubyhost.org