Has both IPv4 (A) and IPv6 (AAAA) addresses.
| Website over IPv6 city2citycourierservices.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3031::6815:4542 answers · 443✓ 2606:4700:3037::ac43:cdd3 answers · 443 | yes |
| www over IPv6 www.city2citycourierservices.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3037::ac43:cdd3 answers · 443✓ 2606:4700:3031::6815:4542 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. albert.ns.cloudflare.com ✓etta.ns.cloudflare.com ✓ | yes |
| HTTPS over IPv6 · not part of the grade yet Loads over IPv6 with a valid certificate: HTTP 200. https://city2citycourierservices.com/ via 2606:4700:3031::6815:4542 → 200 | works |
city2citycourierservices.com Has IPv6
| A (IPv4) | 104.21.69.66 172.67.205.211 |
|---|---|
| AAAA (IPv6) | 2606:4700:3031::6815:4542 2606:4700:3037::ac43:cdd3 |
www.city2citycourierservices.com Has IPv6
| A (IPv4) | 104.21.69.66 172.67.205.211 |
|---|---|
| AAAA (IPv6) | 2606:4700:3037::ac43:cdd3 2606:4700:3031::6815:4542 |
Browsers on dual-stack networks will usually pick IPv6 here (the "Happy Eyeballs" algorithm races both and prefers v6).
Permanent link: aaaa.bot/r/HEwbrQ-vpk · How we measure
Checked 2026-10-31 13:48:42 UTC. Full DNS report: dns.pizza/domain/city2citycourierservices.com · JSON: /api/v1/city2citycourierservices.com