Yes — monster-kingdom.com has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 monster-kingdom.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3037::ac43:b9bd answers · 443✓ 2606:4700:3032::6815:1363 answers · 443	yes
www over IPv6 www.monster-kingdom.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3037::ac43:b9bd answers · 443✓ 2606:4700:3032::6815:1363 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. chelsea.ns.cloudflare.com ✓tadeo.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://monster-kingdom.com/ via 2606:4700:3037::ac43:b9bd → 302https://lively-firefly-87ec.cloudflareaccess.com/cdn-cgi/access/login/monster-kingdom.com?kid=a62eb6c3a873d93bd73a93dad2fccb0df13356bad2f17945833245e10ff92577&meta=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Ijg2OGFmMjMzMzMwYTk2ZmFjNTUzMTBhMmQyN2E2MmQ1ZWM1YWY5Zjg3ZDBhOTg5OTNhMzk0MjZlMDg1NGI2NzcifQ.eyJ0eXBlIjoibWV0YSIsImF1ZCI6ImE2MmViNmMzYTg3M2Q5M2JkNzNhOTNkYWQyZmNjYjBkZjEzMzU2YmFkMmYxNzk0NTgzMzI0NWUxMGZmOTI1NzciLCJob3N0bmFtZSI6Im1vbnN0ZXIta2luZ2RvbS5jb20iLCJyZWRpcmVjdF91cmwiOiIvIiwic2VydmljZV90b2tlbl9zdGF0dXMiOmZhbHNlLCJpc193YXJwIjpmYWxzZSwiaXNfZ2F0ZXdheSI6ZmFsc2UsImV4cCI6MTc5NDA4ODk2OSwibmJmIjoxNzk0MDg4NjY5LCJpYXQiOjE3OTQwODg2NjksImF1dGhfc3RhdHVzIjoiTk9ORSIsIm10bHNfYXV0aCI6eyJjZXJ0X2lzc3Vlcl9kbiI6IiIsImNlcnRfc2VyaWFsIjoiIiwiY2VydF9pc3N1ZXJfc2tpIjoiIiwiY2VydF9wcmVzZW50ZWQiOmZhbHNlLCJjb21tb25fbmFtZSI6IiIsImF1dGhfc3RhdHVzIjoiTk9ORSJ9LCJyZWFsX2NvdW50cnkiOiJVUyIsImFwcF9zZXNzaW9uX2hhc2giOiIwYWI5MGM5MWIzMjBlODNhMDQ5MWJhMGM1NDk0OTJlMDZmNjM2OGEyOGRmZDJhMGM1YWFiMDJjNzljNWVmYTNiIn0.frOVSmCDg9AO6UADGR23Vv3JWKbDwXO2fE2-gukV7agLAUMzuubvKkz0edQ-jzidRpxyESOsakS5zMMsiMTQEYRt01bkOuaeVOQRLxX-kR_M7mohZFi40Lv-uwq6afR3EqJ-8HP5B59ilIYuGZk6XqygxEcXmgTl9v0FqzvgBXsShySR2Y9FGABv1gz6k258R0M6iULFBTCbXHbTffotz0M2nInZm-PV4PlSDYVPGi5iqare84Uf6MOhb5kwv_SIVm0ceszwbccHliiOscVyXfdpkIel_kPI1PnFMlATShKrEPAm1knhFQOk2ZK-kamRnYWjobnx5eDazdfanduSCw&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/monster-kingdom.com.svg)](https://aaaa.bot/monster-kingdom.com)

Check again

monster-kingdom.com Has IPv6

A (IPv4)	172.67.185.189 104.21.19.99
AAAA (IPv6)	2606:4700:3037::ac43:b9bd 2606:4700:3032::6815:1363

www.monster-kingdom.com Has IPv6

A (IPv4)	104.21.19.99 172.67.185.189
AAAA (IPv6)	2606:4700:3037::ac43:b9bd 2606:4700:3032::6815:1363

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: monster-kingdom.com
Measured 2026-11-07 21:57:49 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    172.67.185.189, 104.21.19.99
AAAA (IPv6): 2606:4700:3037::ac43:b9bd, 2606:4700:3032::6815:1363
www AAAA:    2606:4700:3037::ac43:b9bd, 2606:4700:3032::6815:1363

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: monster-kingdom.com has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3037::ac43:b9bd: answers (TCP 443)
    2606:4700:3032::6815:1363: answers (TCP 443)
- www over IPv6: www.monster-kingdom.com has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3037::ac43:b9bd: answers (TCP 443)
    2606:4700:3032::6815:1363: 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://monster-kingdom.com/ via 2606:4700:3037::ac43:b9bd -> HTTP 302, certificate: valid
    https://lively-firefly-87ec.cloudflareaccess.com/cdn-cgi/access/login/monster-kingdom.com?kid=a62eb6c3a873d93bd73a93dad2fccb0df13356bad2f17945833245e10ff92577&meta=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Ijg2OGFmMjMzMzMwYTk2ZmFjNTUzMTBhMmQyN2E2MmQ1ZWM1YWY5Zjg3ZDBhOTg5OTNhMzk0MjZlMDg1NGI2NzcifQ.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.frOVSmCDg9AO6UADGR23Vv3JWKbDwXO2fE2-gukV7agLAUMzuubvKkz0edQ-jzidRpxyESOsakS5zMMsiMTQEYRt01bkOuaeVOQRLxX-kR_M7mohZFi40Lv-uwq6afR3EqJ-8HP5B59ilIYuGZk6XqygxEcXmgTl9v0FqzvgBXsShySR2Y9FGABv1gz6k258R0M6iULFBTCbXHbTffotz0M2nInZm-PV4PlSDYVPGi5iqare84Uf6MOhb5kwv_SIVm0ceszwbccHliiOscVyXfdpkIel_kPI1PnFMlATShKrEPAm1knhFQOk2ZK-kamRnYWjobnx5eDazdfanduSCw&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/jbviC_DhaC

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

Checked 2026-11-07 21:57:49 UTC. Full DNS report: dns.pizza/domain/monster-kingdom.com · Age, certificate and blocklists: how.is/monster-kingdom.com · JSON: /api/v1/monster-kingdom.com