Yes — tagomi.com has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 tagomi.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2a06:98c1:3105::ac40:922b answers · 443✓ 2606:4700:4407::6812:29d5 answers · 443	yes
www over IPv6 www.tagomi.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2a06:98c1:3105::ac40:922b answers · 443✓ 2606:4700:4407::6812:29d5 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. beau.ns.cloudflare.com ✓dahlia.ns.cloudflare.com ✓	yes

HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate after 1 redirect: HTTP 403.

https://tagomi.com/ via 2a06:98c1:3105::ac40:922b → 301https://www.coinbase.com/prime/analytics via 2a06:98c1:310d::6812:230f → 403

works

Nothing keeping you from an A

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

Check again

tagomi.com Has IPv6

A (IPv4)	104.18.41.213 172.64.146.43
AAAA (IPv6)	2a06:98c1:3105::ac40:922b 2606:4700:4407::6812:29d5

www.tagomi.com Has IPv6

A (IPv4)	104.18.41.213 172.64.146.43
AAAA (IPv6)	2a06:98c1:3105::ac40:922b 2606:4700:4407::6812:29d5

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: tagomi.com
Measured 2026-10-30 21:04:31 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    104.18.41.213, 172.64.146.43
AAAA (IPv6): 2a06:98c1:3105::ac40:922b, 2606:4700:4407::6812:29d5
www AAAA:    2a06:98c1:3105::ac40:922b, 2606:4700:4407::6812:29d5

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: tagomi.com has 2 IPv6 addresses and answers on every one we tested.
    2a06:98c1:3105::ac40:922b: answers (TCP 443)
    2606:4700:4407::6812:29d5: answers (TCP 443)
- www over IPv6: www.tagomi.com has 2 IPv6 addresses and answers on every one we tested.
    2a06:98c1:3105::ac40:922b: answers (TCP 443)
    2606:4700:4407::6812:29d5: 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 403.
    https://tagomi.com/ via 2a06:98c1:3105::ac40:922b -> HTTP 301, certificate: valid
    https://www.coinbase.com/prime/analytics via 2a06:98c1:310d::6812:230f -> HTTP 403, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/ef8R0wsZGN

Permanent link: aaaa.bot/r/ef8R0wsZGN · How we measure

Checked 2026-10-30 21:04:31 UTC — one of the top 1,000 sites, re-checked weekly. Re-check now. Full DNS report: dns.pizza/domain/tagomi.com · JSON: /api/v1/tagomi.com