Yes — systemsbase.info has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 systemsbase.info has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3033::6815:1346 answers · 443✓ 2606:4700:3034::ac43:b99b answers · 443	yes
www over IPv6 www.systemsbase.info has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3033::6815:1346 answers · 443✓ 2606:4700:3034::ac43:b99b answers · 443	yes
Mail servers (MX) have IPv6 Every mail server has an AAAA record. smtp.google.com ✓	yes
Nameservers have IPv6 2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. carlos.ns.cloudflare.com ✓rosalie.ns.cloudflare.com ✓	yes

HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate after 2 redirects: HTTP 200.

https://systemsbase.info/ via 2606:4700:3033::6815:1346 → 301https://google.com/ via 2607:f8b0:4004:c09::71 → 301https://www.google.com/ via 2001:4860:4829:7700:: → 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/systemsbase.info.svg)](https://aaaa.bot/systemsbase.info)

Check again

systemsbase.info Has IPv6

A (IPv4)	104.21.19.70 172.67.185.155
AAAA (IPv6)	2606:4700:3033::6815:1346 2606:4700:3034::ac43:b99b

www.systemsbase.info Has IPv6

A (IPv4)	104.21.19.70 172.67.185.155
AAAA (IPv6)	2606:4700:3033::6815:1346 2606:4700:3034::ac43:b99b

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: systemsbase.info
Measured 2026-11-09 03:01:06 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    104.21.19.70, 172.67.185.155
AAAA (IPv6): 2606:4700:3033::6815:1346, 2606:4700:3034::ac43:b99b
www AAAA:    2606:4700:3033::6815:1346, 2606:4700:3034::ac43:b99b

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: systemsbase.info has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3033::6815:1346: answers (TCP 443)
    2606:4700:3034::ac43:b99b: answers (TCP 443)
- www over IPv6: www.systemsbase.info has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3033::6815:1346: answers (TCP 443)
    2606:4700:3034::ac43:b99b: answers (TCP 443)
- Mail servers (MX) have IPv6: Every mail server 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 2 redirects: HTTP 200.
    https://systemsbase.info/ via 2606:4700:3033::6815:1346 -> HTTP 301, certificate: valid
    https://google.com/ via 2607:f8b0:4004:c09::71 -> HTTP 301, certificate: valid
    https://www.google.com/ via 2001:4860:4829:7700:: -> HTTP 200, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/4p2ehzRdQo

Permanent link: aaaa.bot/r/4p2ehzRdQo · How we measure

Checked 2026-11-09 03:01:06 UTC. Full DNS report: dns.pizza/domain/systemsbase.info · Age, certificate and blocklists: how.is/systemsbase.info · JSON: /api/v1/systemsbase.info