Has an IPv4 address but no IPv6 (AAAA) record. IPv6-only visitors can't reach it directly.
| Website over IPv6 ctfsupport.info has no AAAA record. | no |
| www over IPv6 www.ctfsupport.info has no AAAA record. | no |
| Mail servers (MX) have IPv6 Every mail server has an AAAA record. smtp.google.com ✓ | yes |
| Nameservers have IPv6 3 of 3 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. ns1.dnsowl.com ✓ns2.dnsowl.com ✓ns3.dnsowl.com ✓ | yes |
ctfsupport.info IPv4 only
| A (IPv4) | 172.232.24.235 172.232.24.161 172.234.25.42 |
|---|---|
| AAAA (IPv6) | none |
www.ctfsupport.info IPv4 only
| A (IPv4) | 172.232.24.161 172.232.24.235 172.234.25.42 |
|---|---|
| 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/tQy3J9_wFs · How we measure
Checked 2026-10-30 20:59:48 UTC. Full DNS report: dns.pizza/domain/ctfsupport.info · JSON: /api/v1/ctfsupport.info