Yes — kleenservicesllc.com has IPv6.

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

Measured 2026-11-04 09:44 UTC. We reuse a result for up to a week, so we aren't testing the same site over and over. Check kleenservicesllc.com now

IPv6 readiness

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

Website over IPv6 kleenservicesllc.com has an AAAA record and answers on it. ✓ 2001:8d8:100f:f000::200 answers · 443	yes
www over IPv6 www.kleenservicesllc.com has an AAAA record and answers on it. ✓ 2001:8d8:105:1:0:1:0:4 answers · 443	yes
Mail servers (MX) have IPv6 None of the mail servers has an AAAA record. mx01.ionos.com ✗mx00.ionos.com ✗	no
Nameservers have IPv6 4 of 4 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. ns1024.ui-dns.de ✓ns1088.ui-dns.com ✓ns1044.ui-dns.biz ✓ns1067.ui-dns.org ✓	yes

First measured 2026-11-04; last confirmed 2026-11-04.

HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate after 1 redirect: HTTP 200.

https://kleenservicesllc.com/ via 2001:8d8:100f:f000::200 → 301https://www.kleenservicesllc.com/ via 2001:8d8:105:1:0:1:0:4 → 200

works

What's keeping kleenservicesllc.com from an A

Mail servers without IPv6
mx01.ionos.com, mx00.ionos.com 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

kleenservicesllc.com Has IPv6

A (IPv4)	217.160.0.184
AAAA (IPv6)	2001:8d8:100f:f000::200

www.kleenservicesllc.com Has IPv6

A (IPv4)	212.227.172.252
AAAA (IPv6)	2001:8d8:105:1:0:1:0:4

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: kleenservicesllc.com
Measured 2026-11-04 09:44:53 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    217.160.0.184
AAAA (IPv6): 2001:8d8:100f:f000::200
www AAAA:    2001:8d8:105:1:0:1:0:4

Readiness grade B: Works over IPv6, with one gap: its mail servers lack IPv6.
- Website over IPv6: kleenservicesllc.com has an AAAA record and answers on it.
    2001:8d8:100f:f000::200: answers (TCP 443)
- www over IPv6: www.kleenservicesllc.com has an AAAA record and answers on it.
    2001:8d8:105:1:0:1:0:4: answers (TCP 443)
- Mail servers (MX) have IPv6: None of the mail servers has an AAAA record.
- Nameservers have IPv6: 4 of 4 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 200.
    https://kleenservicesllc.com/ via 2001:8d8:100f:f000::200 -> HTTP 301, certificate: valid
    https://www.kleenservicesllc.com/ via 2001:8d8:105:1:0:1:0:4 -> HTTP 200, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/GA93b67zi7

Permanent link: aaaa.bot/r/GA93b67zi7 · How we measure

Checked 2026-11-04 09:44:53 UTC. Full DNS report: dns.pizza/domain/kleenservicesllc.com · Age, certificate and blocklists: how.is/kleenservicesllc.com · JSON: /api/v1/kleenservicesllc.com