Yes — onlinevendor.org has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 onlinevendor.org has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3037::ac43:9f63 answers · 443✓ 2606:4700:3035::6815:4a94 answers · 443	yes
www over IPv6 www.onlinevendor.org has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3037::ac43:9f63 answers · 443✓ 2606:4700:3035::6815:4a94 answers · 443	yes
Mail servers (MX) have IPv6 Every mail server has an AAAA record. alt1.onlinevendor.org ✓	yes
Nameservers have IPv6 2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. cullen.ns.cloudflare.com ✓reza.ns.cloudflare.com ✓	yes

HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate after 1 redirect: HTTP 200.

https://onlinevendor.org/ via 2606:4700:3037::ac43:9f63 → 301https://ecommate.online/ via 2a02:4780:84:bd57:4c65:1eac:39c2:cc25 → 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/onlinevendor.org.svg)](https://aaaa.bot/onlinevendor.org)

Check again

onlinevendor.org Has IPv6

A (IPv4)	172.67.159.99 104.21.74.148
AAAA (IPv6)	2606:4700:3037::ac43:9f63 2606:4700:3035::6815:4a94

www.onlinevendor.org Has IPv6

A (IPv4)	104.21.74.148 172.67.159.99
AAAA (IPv6)	2606:4700:3037::ac43:9f63 2606:4700:3035::6815:4a94

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: onlinevendor.org
Measured 2026-11-04 12:43:08 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    172.67.159.99, 104.21.74.148
AAAA (IPv6): 2606:4700:3037::ac43:9f63, 2606:4700:3035::6815:4a94
www AAAA:    2606:4700:3037::ac43:9f63, 2606:4700:3035::6815:4a94

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: onlinevendor.org has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3037::ac43:9f63: answers (TCP 443)
    2606:4700:3035::6815:4a94: answers (TCP 443)
- www over IPv6: www.onlinevendor.org has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3037::ac43:9f63: answers (TCP 443)
    2606:4700:3035::6815:4a94: answers (TCP 443)
- Mail servers (MX) have IPv6: Every mail server 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 1 redirect: HTTP 200.
    https://onlinevendor.org/ via 2606:4700:3037::ac43:9f63 -> HTTP 301, certificate: valid
    https://ecommate.online/ via 2a02:4780:84:bd57:4c65:1eac:39c2:cc25 -> HTTP 200, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/Rap1NcgtCj

Permanent link: aaaa.bot/r/Rap1NcgtCj · How we measure

Checked 2026-11-04 12:43:08 UTC. Full DNS report: dns.pizza/domain/onlinevendor.org · Age, certificate and blocklists: how.is/onlinevendor.org · JSON: /api/v1/onlinevendor.org