Yes — cococock.win has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 cococock.win has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3033::ac43:9886 answers · 443✓ 2606:4700:3033::6815:22f 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. kenia.ns.cloudflare.com ✓weston.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://cococock.win/ via 2606:4700:3033::ac43:9886 → 302https://spring-recipe-37b3.cloudflareaccess.com/cdn-cgi/access/login/cococock.win?kid=225c7c5ba601cfbcf7a97343d37c1087edddd1075c5de9bdb9484820a1d7aedf&meta=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Ijg2OGFmMjMzMzMwYTk2ZmFjNTUzMTBhMmQyN2E2MmQ1ZWM1YWY5Zjg3ZDBhOTg5OTNhMzk0MjZlMDg1NGI2NzcifQ.eyJ0eXBlIjoibWV0YSIsImF1ZCI6IjIyNWM3YzViYTYwMWNmYmNmN2E5NzM0M2QzN2MxMDg3ZWRkZGQxMDc1YzVkZTliZGI5NDg0ODIwYTFkN2FlZGYiLCJob3N0bmFtZSI6ImNvY29jb2NrLndpbiIsInJlZGlyZWN0X3VybCI6Ii8iLCJzZXJ2aWNlX3Rva2VuX3N0YXR1cyI6ZmFsc2UsImlzX3dhcnAiOmZhbHNlLCJpc19nYXRld2F5IjpmYWxzZSwiZXhwIjoxNzkzNTY1MjI2LCJuYmYiOjE3OTM1NjQ5MjYsImlhdCI6MTc5MzU2NDkyNiwiYXV0aF9zdGF0dXMiOiJOT05FIiwibXRsc19hdXRoIjp7ImNlcnRfaXNzdWVyX2RuIjoiIiwiY2VydF9zZXJpYWwiOiIiLCJjZXJ0X2lzc3Vlcl9za2kiOiIiLCJjZXJ0X3ByZXNlbnRlZCI6ZmFsc2UsImNvbW1vbl9uYW1lIjoiIiwiYXV0aF9zdGF0dXMiOiJOT05FIn0sInJlYWxfY291bnRyeSI6IlVTIiwiYXBwX3Nlc3Npb25faGFzaCI6ImU3MDUwZWVkYzBiZTFkMzJhYTYxN2UzMDk4NmNlMjc2OThjM2I2ZjcxNjVlZmEzMGY1MWMxY2VhODY3MWEyOWYifQ.nf4TS1iVLTuvX2xeUi88_S--thHAZwegjTSr2UpZwZlMwjx7Z5LqE0jO-bb5HCOlL-FFVgknb1yRcDheXB2XOtpBFhGZ_1RIqQqMVCy8F_GH5vCYWg3BAKM0Az5G2EmXKH5SQaJt_N3imnqc_ulrao79xxkMqm-x90rLzM4_pIZyXJAxguRWU80MojH39yYokt059Xqz3LKDfiLQLpuEkB4j758qZuEuzhYxBzq344QYnCvKthUHC-Bk9UQpb1exqN2l9yXp0PCICBpnodTd4WAS_CVHpX-mAODdYj1rzBHJawzIpdHqKlXg1RG9_dVBz9d9HS3aLXo-526fYIQsTw&redirect_url=%2F via 2606:4700:300a::6813:c31d → 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/cococock.win.svg)](https://aaaa.bot/cococock.win)

Check again

cococock.win Has IPv6

A (IPv4)	104.21.2.47 172.67.152.134
AAAA (IPv6)	2606:4700:3033::ac43:9886 2606:4700:3033::6815:22f

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: cococock.win
Measured 2026-11-01 20:28:46 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    104.21.2.47, 172.67.152.134
AAAA (IPv6): 2606:4700:3033::ac43:9886, 2606:4700:3033::6815:22f

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: cococock.win has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3033::ac43:9886: answers (TCP 443)
    2606:4700:3033::6815:22f: 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://cococock.win/ via 2606:4700:3033::ac43:9886 -> HTTP 302, certificate: valid
    https://spring-recipe-37b3.cloudflareaccess.com/cdn-cgi/access/login/cococock.win?kid=225c7c5ba601cfbcf7a97343d37c1087edddd1075c5de9bdb9484820a1d7aedf&meta=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Ijg2OGFmMjMzMzMwYTk2ZmFjNTUzMTBhMmQyN2E2MmQ1ZWM1YWY5Zjg3ZDBhOTg5OTNhMzk0MjZlMDg1NGI2NzcifQ.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.nf4TS1iVLTuvX2xeUi88_S--thHAZwegjTSr2UpZwZlMwjx7Z5LqE0jO-bb5HCOlL-FFVgknb1yRcDheXB2XOtpBFhGZ_1RIqQqMVCy8F_GH5vCYWg3BAKM0Az5G2EmXKH5SQaJt_N3imnqc_ulrao79xxkMqm-x90rLzM4_pIZyXJAxguRWU80MojH39yYokt059Xqz3LKDfiLQLpuEkB4j758qZuEuzhYxBzq344QYnCvKthUHC-Bk9UQpb1exqN2l9yXp0PCICBpnodTd4WAS_CVHpX-mAODdYj1rzBHJawzIpdHqKlXg1RG9_dVBz9d9HS3aLXo-526fYIQsTw&redirect_url=%2F via 2606:4700:300a::6813:c31d -> HTTP 200, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/DJo_j5xahn

Permanent link: aaaa.bot/r/DJo_j5xahn · How we measure

Checked 2026-11-01 20:28:46 UTC. Full DNS report: dns.pizza/domain/cococock.win · JSON: /api/v1/cococock.win