Yes — sunviatours.com has IPv6.

Has both IPv4 (A) and IPv6 (AAAA) addresses.

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 sunviatours.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3030::6815:1d48 answers · 443✓ 2606:4700:3033::ac43:9493 answers · 443	yes
www over IPv6 www.sunviatours.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3030::6815:1d48 answers · 443✓ 2606:4700:3033::ac43:9493 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. yew.ns.cloudflare.com ✓harlee.ns.cloudflare.com ✓	yes

HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate after 2 redirects: HTTP 200.

https://sunviatours.com/ via 2606:4700:3030::6815:1d48 → 301https://sunvia.tours/ via 2606:4700:3031::6815:8a0 → 302https://sunvia.cloudflareaccess.com/cdn-cgi/access/login/sunvia.tours?kid=c55c8291b569e1b16052ca2076cfce56b08c771d7f8d410a5ab915491501c6ec&meta=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6ImM3ZmY2ZGEyMzU4NzQ2ZmQ1NDQ3YTU4ZWM5ZTUxNTJlODM3ZTUzNTkwMGZjYjNkM2U5NGZhMzcyNTM2Zjc0YjgifQ.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.Ni6_5r1KIxjNM_rXlFj4x_Ofwf_wQOoSbMTjizxWpEN7nLUP4sHz7uRYDiYBC8Dim7rioYOFr2c_rK9BpkYGAqVdHEH4X1_nbBKhEaPv8nccQnxn2YH51UB24_laPNtgl1Tan7k4aKIuMte7ro0QPXdMpbubvrOK3RQd05DA1UE9cpObRBjNfMeVFZeyzVNdKmHDatHhA5oQazgNzbBVh9MK1VwjGw2yWX4HSx0ZRw8Kjy0R9HubYY_IT8N-21maP1PfuBXflQo3A9ALiQnBHX76F9dyNqCpihKBIMhPkPweNqeAKBnmRsFPrsfPi52GVCDgbagCu0JwLy0xnKIF1Q&redirect_url=%2F via 2606:4700:300a::6813:c21d → 200

works

Nothing keeping you from an A

Nothing to fix
Show it off: add the badge to your README.
[![IPv6](https://aaaa.bot/badge/sunviatours.com.svg)](https://aaaa.bot/sunviatours.com)

Check again

sunviatours.com Has IPv6

A (IPv4)	104.21.29.72 172.67.148.147
AAAA (IPv6)	2606:4700:3030::6815:1d48 2606:4700:3033::ac43:9493

www.sunviatours.com Has IPv6

A (IPv4)	104.21.29.72 172.67.148.147
AAAA (IPv6)	2606:4700:3030::6815:1d48 2606:4700:3033::ac43:9493

Browsers on dual-stack networks will usually pick IPv6 here (the "Happy Eyeballs" algorithm races both and prefers v6).

Copy the evidence — a citation-ready record of this measurement

IPv6 measurement: sunviatours.com
Measured 2026-11-10 11:14:24 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    104.21.29.72, 172.67.148.147
AAAA (IPv6): 2606:4700:3030::6815:1d48, 2606:4700:3033::ac43:9493
www AAAA:    2606:4700:3030::6815:1d48, 2606:4700:3033::ac43:9493

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: sunviatours.com has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3030::6815:1d48: answers (TCP 443)
    2606:4700:3033::ac43:9493: answers (TCP 443)
- www over IPv6: www.sunviatours.com has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3030::6815:1d48: answers (TCP 443)
    2606:4700:3033::ac43:9493: answers (TCP 443)
- Mail servers (MX) have IPv6: No MX records, so mail goes to the domain's own address (implicit MX). It has an AAAA record.
- Nameservers have IPv6: 2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.

Reachability = a TCP connection opened on port 443 (or 80).

HTTPS over IPv6 (not graded): Loads over IPv6 with a valid certificate after 2 redirects: HTTP 200.
    https://sunviatours.com/ via 2606:4700:3030::6815:1d48 -> HTTP 301, certificate: valid
    https://sunvia.tours/ via 2606:4700:3031::6815:8a0 -> HTTP 302, certificate: valid
    https://sunvia.cloudflareaccess.com/cdn-cgi/access/login/sunvia.tours?kid=c55c8291b569e1b16052ca2076cfce56b08c771d7f8d410a5ab915491501c6ec&meta=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6ImM3ZmY2ZGEyMzU4NzQ2ZmQ1NDQ3YTU4ZWM5ZTUxNTJlODM3ZTUzNTkwMGZjYjNkM2U5NGZhMzcyNTM2Zjc0YjgifQ.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.Ni6_5r1KIxjNM_rXlFj4x_Ofwf_wQOoSbMTjizxWpEN7nLUP4sHz7uRYDiYBC8Dim7rioYOFr2c_rK9BpkYGAqVdHEH4X1_nbBKhEaPv8nccQnxn2YH51UB24_laPNtgl1Tan7k4aKIuMte7ro0QPXdMpbubvrOK3RQd05DA1UE9cpObRBjNfMeVFZeyzVNdKmHDatHhA5oQazgNzbBVh9MK1VwjGw2yWX4HSx0ZRw8Kjy0R9HubYY_IT8N-21maP1PfuBXflQo3A9ALiQnBHX76F9dyNqCpihKBIMhPkPweNqeAKBnmRsFPrsfPi52GVCDgbagCu0JwLy0xnKIF1Q&redirect_url=%2F via 2606:4700:300a::6813:c21d -> HTTP 200, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/2-fhUOasFq

Permanent link: aaaa.bot/r/2-fhUOasFq · How we measure

Checked 2026-11-10 11:14:24 UTC. Full DNS report: dns.pizza/domain/sunviatours.com · Age, certificate and blocklists: how.is/sunviatours.com · JSON: /api/v1/sunviatours.com