Yes — flp-services.com 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 flp-services.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3031::ac43:d313 answers · 443✓ 2606:4700:3030::6815:177a answers · 443	yes
www over IPv6 www.flp-services.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3031::ac43:d313 answers · 443✓ 2606:4700:3030::6815:177a answers · 443	yes
Mail servers (MX) have IPv6 None of the mail servers has an AAAA record. w011d28a.kasserver.com ✗	no
Nameservers have IPv6 2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. dion.ns.cloudflare.com ✓meilani.ns.cloudflare.com ✓	yes

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

https://flp-services.com/ via 2606:4700:3031::ac43:d313 → 200

works

What's keeping flp-services.com from an A

Mail servers without IPv6
w011d28a.kasserver.com has no AAAA record, so mail from IPv6-only servers can't reach it directly. If a provider runs your mail, that's their setting; if you run it, add AAAA records for these hosts.

Check again

flp-services.com Has IPv6

A (IPv4)	172.67.211.19 104.21.23.122
AAAA (IPv6)	2606:4700:3031::ac43:d313 2606:4700:3030::6815:177a

www.flp-services.com Has IPv6

A (IPv4)	172.67.211.19 104.21.23.122
AAAA (IPv6)	2606:4700:3031::ac43:d313 2606:4700:3030::6815:177a

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: flp-services.com
Measured 2026-11-06 12:58:33 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    172.67.211.19, 104.21.23.122
AAAA (IPv6): 2606:4700:3031::ac43:d313, 2606:4700:3030::6815:177a
www AAAA:    2606:4700:3031::ac43:d313, 2606:4700:3030::6815:177a

Readiness grade B: Works over IPv6, with one gap: its mail servers lack IPv6.
- Website over IPv6: flp-services.com has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3031::ac43:d313: answers (TCP 443)
    2606:4700:3030::6815:177a: answers (TCP 443)
- www over IPv6: www.flp-services.com has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3031::ac43:d313: answers (TCP 443)
    2606:4700:3030::6815:177a: 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://flp-services.com/ via 2606:4700:3031::ac43:d313 -> HTTP 200, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/Bpf94Kb1w4

Permanent link: aaaa.bot/r/Bpf94Kb1w4 · How we measure

Checked 2026-11-06 12:58:33 UTC. Full DNS report: dns.pizza/domain/flp-services.com · Age, certificate and blocklists: how.is/flp-services.com · JSON: /api/v1/flp-services.com