Yes — swiftlabs.info has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 swiftlabs.info has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3032::ac43:c0ce answers · 443✓ 2606:4700:3036::6815:2c0f answers · 443	yes
www over IPv6 www.swiftlabs.info has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3036::6815:2c0f answers · 443✓ 2606:4700:3032::ac43:c0ce 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. iris.ns.cloudflare.com ✓seamus.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://swiftlabs.info/ via 2606:4700:3032::ac43:c0ce → 301https://google.com/ via 2607:f8b0:4004:c09::8b → 301https://www.google.com/ via 2001:4860:482c: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/swiftlabs.info.svg)](https://aaaa.bot/swiftlabs.info)

Check again

swiftlabs.info Has IPv6

A (IPv4)	104.21.44.15 172.67.192.206
AAAA (IPv6)	2606:4700:3032::ac43:c0ce 2606:4700:3036::6815:2c0f

www.swiftlabs.info Has IPv6

A (IPv4)	172.67.192.206 104.21.44.15
AAAA (IPv6)	2606:4700:3036::6815:2c0f 2606:4700:3032::ac43:c0ce

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: swiftlabs.info
Measured 2026-11-09 03:43:13 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    104.21.44.15, 172.67.192.206
AAAA (IPv6): 2606:4700:3032::ac43:c0ce, 2606:4700:3036::6815:2c0f
www AAAA:    2606:4700:3036::6815:2c0f, 2606:4700:3032::ac43:c0ce

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: swiftlabs.info has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3032::ac43:c0ce: answers (TCP 443)
    2606:4700:3036::6815:2c0f: answers (TCP 443)
- www over IPv6: www.swiftlabs.info has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3036::6815:2c0f: answers (TCP 443)
    2606:4700:3032::ac43:c0ce: 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://swiftlabs.info/ via 2606:4700:3032::ac43:c0ce -> HTTP 301, certificate: valid
    https://google.com/ via 2607:f8b0:4004:c09::8b -> HTTP 301, certificate: valid
    https://www.google.com/ via 2001:4860:482c:7700:: -> HTTP 200, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/tAUjNx0oy_

Permanent link: aaaa.bot/r/tAUjNx0oy_ · How we measure

Checked 2026-11-09 03:43:13 UTC. Full DNS report: dns.pizza/domain/swiftlabs.info · Age, certificate and blocklists: how.is/swiftlabs.info · JSON: /api/v1/swiftlabs.info