Yes — pmm-tools.org has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 pmm-tools.org has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3030::6815:6ef answers · 443✓ 2606:4700:3031::ac43:8778 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. dalary.ns.cloudflare.com ✓jerry.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://pmm-tools.org/ via 2606:4700:3030::6815:6ef → 302https://pmm-tools.cloudflareaccess.com/cdn-cgi/access/login/pmm-tools.org?kid=b591a1a3d3f6405f2e88e692f5d5005995837b41f64936d012882c3834948bb4&meta=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Ijg2OGFmMjMzMzMwYTk2ZmFjNTUzMTBhMmQyN2E2MmQ1ZWM1YWY5Zjg3ZDBhOTg5OTNhMzk0MjZlMDg1NGI2NzcifQ.eyJ0eXBlIjoibWV0YSIsImF1ZCI6ImI1OTFhMWEzZDNmNjQwNWYyZTg4ZTY5MmY1ZDUwMDU5OTU4MzdiNDFmNjQ5MzZkMDEyODgyYzM4MzQ5NDhiYjQiLCJob3N0bmFtZSI6InBtbS10b29scy5vcmciLCJyZWRpcmVjdF91cmwiOiIvIiwic2VydmljZV90b2tlbl9zdGF0dXMiOmZhbHNlLCJpc193YXJwIjpmYWxzZSwiaXNfZ2F0ZXdheSI6ZmFsc2UsImV4cCI6MTc5NDU0NjU0MSwibmJmIjoxNzk0NTQ2MjQxLCJpYXQiOjE3OTQ1NDYyNDEsImF1dGhfc3RhdHVzIjoiTk9ORSIsIm10bHNfYXV0aCI6eyJjZXJ0X2lzc3Vlcl9kbiI6IiIsImNlcnRfc2VyaWFsIjoiIiwiY2VydF9pc3N1ZXJfc2tpIjoiIiwiY2VydF9wcmVzZW50ZWQiOmZhbHNlLCJjb21tb25fbmFtZSI6IiIsImF1dGhfc3RhdHVzIjoiTk9ORSJ9LCJyZWFsX2NvdW50cnkiOiJVUyIsImFwcF9zZXNzaW9uX2hhc2giOiJiZjFlMzY4NWNmYTU5ZGIyODFiMjE5NTY4M2NjZjVhYTAxYjk4OWUzYTBhMWY0MTAxZjA1ODNmNzQ4NTc2YzZiIn0.ab-woZYMsp5q0dIvnR_dcJF5kfcimdcfeuuaGhQ3HogdRMfB_g0VmSIb9T7M30OTMYV27wnnEHUIAAEOkYOzlnByI2zmzm8pRrbfgNrDN1AeZ82vgJWbF39Z-VnUocEBp0NGEjCBeoVvb3rn1nUq1mjSupx1BOfPXxWbRb-WHOxOFJ4lsWk9v6ggoGKvMBUW1sLCdfp5j8DKxAKYj_k3zAkXxNK87HoTDHhQ-2s6Ad-vOSTVsESCNIyhweeKQ_gYnFz0DQQ51_HPJDKFxLMJAto1nBVYpL90vdhJ5C8FOpfEqu9aouYOIzOBOYvl6pCzCw-RnEcBmQzXHcC9Mw7dDg&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/pmm-tools.org.svg)](https://aaaa.bot/pmm-tools.org)

Check again

pmm-tools.org Has IPv6

A (IPv4)	104.21.6.239 172.67.135.120
AAAA (IPv6)	2606:4700:3030::6815:6ef 2606:4700:3031::ac43:8778

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: pmm-tools.org
Measured 2026-11-13 05:04:01 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    104.21.6.239, 172.67.135.120
AAAA (IPv6): 2606:4700:3030::6815:6ef, 2606:4700:3031::ac43:8778

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: pmm-tools.org has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3030::6815:6ef: answers (TCP 443)
    2606:4700:3031::ac43:8778: 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 1 redirect: HTTP 200.
    https://pmm-tools.org/ via 2606:4700:3030::6815:6ef -> HTTP 302, certificate: valid
    https://pmm-tools.cloudflareaccess.com/cdn-cgi/access/login/pmm-tools.org?kid=b591a1a3d3f6405f2e88e692f5d5005995837b41f64936d012882c3834948bb4&meta=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Ijg2OGFmMjMzMzMwYTk2ZmFjNTUzMTBhMmQyN2E2MmQ1ZWM1YWY5Zjg3ZDBhOTg5OTNhMzk0MjZlMDg1NGI2NzcifQ.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.ab-woZYMsp5q0dIvnR_dcJF5kfcimdcfeuuaGhQ3HogdRMfB_g0VmSIb9T7M30OTMYV27wnnEHUIAAEOkYOzlnByI2zmzm8pRrbfgNrDN1AeZ82vgJWbF39Z-VnUocEBp0NGEjCBeoVvb3rn1nUq1mjSupx1BOfPXxWbRb-WHOxOFJ4lsWk9v6ggoGKvMBUW1sLCdfp5j8DKxAKYj_k3zAkXxNK87HoTDHhQ-2s6Ad-vOSTVsESCNIyhweeKQ_gYnFz0DQQ51_HPJDKFxLMJAto1nBVYpL90vdhJ5C8FOpfEqu9aouYOIzOBOYvl6pCzCw-RnEcBmQzXHcC9Mw7dDg&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/4l7ZhGMENt

Permanent link: aaaa.bot/r/4l7ZhGMENt · How we measure

Checked 2026-11-13 05:04:01 UTC. Full DNS report: dns.pizza/domain/pmm-tools.org · Age, certificate and blocklists: how.is/pmm-tools.org · JSON: /api/v1/pmm-tools.org