Yes — aircostco.com has IPv6.

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

This is a saved measurement from 2026-11-03 13:23 UTC. Check aircostco.com live now

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 aircostco.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2a02:4780:84:5b9d:1d87:3c5c:8eb5:f3fd answers · 443✓ 2a02:4780:84:afb2:8495:d07f:7cff:be94 answers · 443	yes
www over IPv6 www.aircostco.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2a02:4780:22:214b:d84:4126:859e:fede answers · 443✓ 2a02:4780:21:eeca:d478:8f23:a2a2:9a1b answers · 443	yes
Mail servers (MX) have IPv6 Every mail server has an AAAA record. mx1.hostinger.com ✓mx2.hostinger.com ✓	yes
Nameservers have IPv6 2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. hermes.dns-parking.com ✓artemis.dns-parking.com ✓	yes

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

https://aircostco.com/ via 2a02:4780:84:5b9d:1d87:3c5c:8eb5:f3fd → 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/aircostco.com.svg)](https://aaaa.bot/aircostco.com)

Check again

aircostco.com Has IPv6

A (IPv4)	2.57.91.192 84.32.84.99
AAAA (IPv6)	2a02:4780:84:5b9d:1d87:3c5c:8eb5:f3fd 2a02:4780:84:afb2:8495:d07f:7cff:be94

www.aircostco.com Has IPv6

Alias of	www.aircostco.com.cdn.hstgr.net
A (IPv4)	191.101.104.195 191.96.144.243
AAAA (IPv6)	2a02:4780:22:214b:d84:4126:859e:fede 2a02:4780:21:eeca:d478:8f23:a2a2:9a1b

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: aircostco.com
Measured 2026-11-03 13:23:18 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    2.57.91.192, 84.32.84.99
AAAA (IPv6): 2a02:4780:84:5b9d:1d87:3c5c:8eb5:f3fd, 2a02:4780:84:afb2:8495:d07f:7cff:be94
www AAAA:    2a02:4780:22:214b:d84:4126:859e:fede, 2a02:4780:21:eeca:d478:8f23:a2a2:9a1b

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: aircostco.com has 2 IPv6 addresses and answers on every one we tested.
    2a02:4780:84:5b9d:1d87:3c5c:8eb5:f3fd: answers (TCP 443)
    2a02:4780:84:afb2:8495:d07f:7cff:be94: answers (TCP 443)
- www over IPv6: www.aircostco.com has 2 IPv6 addresses and answers on every one we tested.
    2a02:4780:22:214b:d84:4126:859e:fede: answers (TCP 443)
    2a02:4780:21:eeca:d478:8f23:a2a2:9a1b: 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: HTTP 200.
    https://aircostco.com/ via 2a02:4780:84:5b9d:1d87:3c5c:8eb5:f3fd -> HTTP 200, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/oo1CRg92E5

Permanent link: aaaa.bot/r/oo1CRg92E5 · How we measure

Checked 2026-11-03 13:23:18 UTC. Full DNS report: dns.pizza/domain/aircostco.com · Age, certificate and blocklists: how.is/aircostco.com · JSON: /api/v1/aircostco.com