Has both IPv4 (A) and IPv6 (AAAA) addresses.
| Website over IPv6 conterraservices.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3037::6815:3939 answers · 443✓ 2606:4700:3035::ac43:9f91 answers · 443 | yes |
| www over IPv6 www.conterraservices.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3035::ac43:9f91 answers · 443✓ 2606:4700:3037::6815:3939 answers · 443 | yes |
| Mail servers (MX) have IPv6 Every mail server has an AAAA record. smtp.google.com ✓ | yes |
| Nameservers have IPv6 2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. katja.ns.cloudflare.com ✓leonidas.ns.cloudflare.com ✓ | yes |
| HTTPS over IPv6 · not part of the grade yet Redirects to conterra.com, which has no IPv6 address — so IPv6 visitors end up needing IPv4 after all. https://conterraservices.com/ via 2606:4700:3037::6815:3939 → 301https://conterra.com/ · redirects to conterra.com, which has no IPv6 address | problem |
conterraservices.com Has IPv6
| A (IPv4) | 172.67.159.145 104.21.57.57 |
|---|---|
| AAAA (IPv6) | 2606:4700:3037::6815:3939 2606:4700:3035::ac43:9f91 |
www.conterraservices.com Has IPv6
| A (IPv4) | 104.21.57.57 172.67.159.145 |
|---|---|
| AAAA (IPv6) | 2606:4700:3035::ac43:9f91 2606:4700:3037::6815:3939 |
Browsers on dual-stack networks will usually pick IPv6 here (the "Happy Eyeballs" algorithm races both and prefers v6).
Permanent link: aaaa.bot/r/HQZy6YVERg · How we measure
Checked 2026-11-06 01:56:13 UTC. Full DNS report: dns.pizza/domain/conterraservices.com · Age, certificate and blocklists: how.is/conterraservices.com · JSON: /api/v1/conterraservices.com