Yes — oddlyuseful.software has IPv6.

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

IPv6 readiness

Works over IPv6, with one gap: its mail servers lack IPv6.

Website over IPv6 oddlyuseful.software has 2 IPv6 addresses and answers on every one we tested. ✓ 2a02:4780:84:dff6:506e:a89e:fc21:5277 answers · 443✓ 2a02:4780:84:f86c:30f:7baf:af28:1cdf answers · 443	yes
www over IPv6 www.oddlyuseful.software has 2 IPv6 addresses and answers on every one we tested. ✓ 2a02:4780:84:1f0c:244b:621d:7598:ef1c answers · 443✓ 2a02:4780:84:579d:fb00:3f38:52ae:3f46 answers · 443	yes
Mail servers (MX) have IPv6 None of the mail servers has an AAAA record. mx2.titan.email ✗mx1.titan.email ✗	no
Nameservers have IPv6 2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. artemis.dns-parking.com ✓hermes.dns-parking.com ✓	yes

HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate: HTTP 200.

https://oddlyuseful.software/ via 2a02:4780:84:dff6:506e:a89e:fc21:5277 → 200

works

What's keeping oddlyuseful.software from an A

Mail servers without IPv6
mx2.titan.email, mx1.titan.email have no AAAA record, so mail from IPv6-only servers can't reach them directly. If a provider runs your mail, that's their setting; if you run it, add AAAA records for these hosts.

Check again

oddlyuseful.software Has IPv6

A (IPv4)	88.222.222.82 2.57.91.76
AAAA (IPv6)	2a02:4780:84:dff6:506e:a89e:fc21:5277 2a02:4780:84:f86c:30f:7baf:af28:1cdf

www.oddlyuseful.software Has IPv6

Alias of	www.oddlyuseful.software.cdn.hstgr.net
A (IPv4)	195.35.60.120 212.1.212.173
AAAA (IPv6)	2a02:4780:84:1f0c:244b:621d:7598:ef1c 2a02:4780:84:579d:fb00:3f38:52ae:3f46

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: oddlyuseful.software
Measured 2026-11-07 17:15:59 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    88.222.222.82, 2.57.91.76
AAAA (IPv6): 2a02:4780:84:dff6:506e:a89e:fc21:5277, 2a02:4780:84:f86c:30f:7baf:af28:1cdf
www AAAA:    2a02:4780:84:1f0c:244b:621d:7598:ef1c, 2a02:4780:84:579d:fb00:3f38:52ae:3f46

Readiness grade B: Works over IPv6, with one gap: its mail servers lack IPv6.
- Website over IPv6: oddlyuseful.software has 2 IPv6 addresses and answers on every one we tested.
    2a02:4780:84:dff6:506e:a89e:fc21:5277: answers (TCP 443)
    2a02:4780:84:f86c:30f:7baf:af28:1cdf: answers (TCP 443)
- www over IPv6: www.oddlyuseful.software has 2 IPv6 addresses and answers on every one we tested.
    2a02:4780:84:1f0c:244b:621d:7598:ef1c: answers (TCP 443)
    2a02:4780:84:579d:fb00:3f38:52ae:3f46: answers (TCP 443)
- Mail servers (MX) have IPv6: None of the mail servers 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: HTTP 200.
    https://oddlyuseful.software/ via 2a02:4780:84:dff6:506e:a89e:fc21:5277 -> HTTP 200, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/uQ9N1aTAa1

Permanent link: aaaa.bot/r/uQ9N1aTAa1 · How we measure

Checked 2026-11-07 17:15:59 UTC. Full DNS report: dns.pizza/domain/oddlyuseful.software · Age, certificate and blocklists: how.is/oddlyuseful.software · JSON: /api/v1/oddlyuseful.software