Yes — caostlinemed.net has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 caostlinemed.net has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3036::6815:14c1 answers · 443✓ 2606:4700:3030::ac43:c218 answers · 443	yes
www over IPv6 www.caostlinemed.net has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3036::6815:14c1 answers · 443✓ 2606:4700:3030::ac43:c218 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. aaden.ns.cloudflare.com ✓hadlee.ns.cloudflare.com ✓	yes

HTTPS over IPv6 · not part of the grade yet
www.caostlinemed.net didn't complete an HTTP request over IPv6 (timed out).

https://caostlinemed.net/ via 2606:4700:3036::6815:14c1 → 302http://www.caostlinemed.net/ via 2606:4700:3036::6815:14c1 · timed out

Nothing keeping you from an A

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

Check again

caostlinemed.net Has IPv6

A (IPv4)	172.67.194.24 104.21.20.193
AAAA (IPv6)	2606:4700:3036::6815:14c1 2606:4700:3030::ac43:c218

www.caostlinemed.net Has IPv6

A (IPv4)	104.21.20.193 172.67.194.24
AAAA (IPv6)	2606:4700:3036::6815:14c1 2606:4700:3030::ac43:c218

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: caostlinemed.net
Measured 2026-11-03 01:39:34 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    172.67.194.24, 104.21.20.193
AAAA (IPv6): 2606:4700:3036::6815:14c1, 2606:4700:3030::ac43:c218
www AAAA:    2606:4700:3036::6815:14c1, 2606:4700:3030::ac43:c218

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: caostlinemed.net has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3036::6815:14c1: answers (TCP 443)
    2606:4700:3030::ac43:c218: answers (TCP 443)
- www over IPv6: www.caostlinemed.net has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3036::6815:14c1: answers (TCP 443)
    2606:4700:3030::ac43:c218: 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): www.caostlinemed.net didn't complete an HTTP request over IPv6 (timed out).
    https://caostlinemed.net/ via 2606:4700:3036::6815:14c1 -> HTTP 302, certificate: valid
    http://www.caostlinemed.net/ via 2606:4700:3036::6815:14c1 (timed out)
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/i8SKtaYHNA

Permanent link: aaaa.bot/r/i8SKtaYHNA · How we measure

Checked 2026-11-03 01:39:34 UTC. Full DNS report: dns.pizza/domain/caostlinemed.net · Age, certificate and blocklists: how.is/caostlinemed.net · JSON: /api/v1/caostlinemed.net