Yes — cl-services.org has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 cl-services.org has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3036::6815:4b57 answers · 443✓ 2606:4700:3036::ac43:d99e answers · 443	yes
www over IPv6 www.cl-services.org has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3036::6815:4b57 answers · 443✓ 2606:4700:3036::ac43:d99e answers · 443	yes
Mail servers (MX) have IPv6 Every mail server has an AAAA record. clservices-org0e.mail.protection.outlook.com ✓	yes
Nameservers have IPv6 2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. nova.ns.cloudflare.com ✓cameron.ns.cloudflare.com ✓	yes

HTTPS over IPv6 · not part of the grade yet
Redirects to conservationlegacy.org, which has no IPv6 address — so IPv6 visitors end up needing IPv4 after all.

https://cl-services.org/ via 2606:4700:3036::6815:4b57 → 301https://conservationlegacy.org/ · redirects to conservationlegacy.org, which has no IPv6 address

problem

Nothing keeping you from an A

A redirect leads off IPv6
Redirects to conservationlegacy.org, which has no IPv6 address — so IPv6 visitors end up needing IPv4 after all. Give the redirect target IPv6 too, or redirect somewhere that has it.

Check again

cl-services.org Has IPv6

A (IPv4)	104.21.75.87 172.67.217.158
AAAA (IPv6)	2606:4700:3036::6815:4b57 2606:4700:3036::ac43:d99e

www.cl-services.org Has IPv6

A (IPv4)	104.21.75.87 172.67.217.158
AAAA (IPv6)	2606:4700:3036::6815:4b57 2606:4700:3036::ac43:d99e

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: cl-services.org
Measured 2026-11-09 06:33:38 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    104.21.75.87, 172.67.217.158
AAAA (IPv6): 2606:4700:3036::6815:4b57, 2606:4700:3036::ac43:d99e
www AAAA:    2606:4700:3036::6815:4b57, 2606:4700:3036::ac43:d99e

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: cl-services.org has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3036::6815:4b57: answers (TCP 443)
    2606:4700:3036::ac43:d99e: answers (TCP 443)
- www over IPv6: www.cl-services.org has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3036::6815:4b57: answers (TCP 443)
    2606:4700:3036::ac43:d99e: 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): Redirects to conservationlegacy.org, which has no IPv6 address — so IPv6 visitors end up needing IPv4 after all.
    https://cl-services.org/ via 2606:4700:3036::6815:4b57 -> HTTP 301, certificate: valid
    https://conservationlegacy.org/ (redirects to conservationlegacy.org, which has no IPv6 address)
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/2gbzsN4Q5P

Permanent link: aaaa.bot/r/2gbzsN4Q5P · How we measure

Checked 2026-11-09 06:33:38 UTC. Full DNS report: dns.pizza/domain/cl-services.org · Age, certificate and blocklists: how.is/cl-services.org · JSON: /api/v1/cl-services.org