Has both IPv4 (A) and IPv6 (AAAA) addresses.
| Website over IPv6 iwchapman.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3031::ac43:d266 answers · 443✓ 2606:4700:3036::6815:2d38 answers · 443 | yes |
| Mail servers (MX) have IPv6 None of the mail servers has an AAAA record. mx01.mail.icloud.com ✗mx02.mail.icloud.com ✗ | no |
| Nameservers have IPv6 2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. autumn.ns.cloudflare.com ✓derek.ns.cloudflare.com ✓ | yes |
| HTTPS over IPv6 · not part of the grade yet Loads over IPv6 with a valid certificate: HTTP 403. https://iwchapman.com/ via 2606:4700:3031::ac43:d266 → 403 | works |
iwchapman.com Has IPv6
| A (IPv4) | 104.21.45.56 172.67.210.102 |
|---|---|
| AAAA (IPv6) | 2606:4700:3031::ac43:d266 2606:4700:3036::6815:2d38 |
Browsers on dual-stack networks will usually pick IPv6 here (the "Happy Eyeballs" algorithm races both and prefers v6).
Permanent link: aaaa.bot/r/uQDALFAhxa · How we measure
Checked 2026-11-06 16:07:14 UTC. Full DNS report: dns.pizza/domain/iwchapman.com · Age, certificate and blocklists: how.is/iwchapman.com · JSON: /api/v1/iwchapman.com