Yes — ltbuildingservices.org has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 ltbuildingservices.org has 2 IPv6 addresses and answers on every one we tested. ✓ 2600:1f18:16e:df01::259 answers · 443✓ 2600:1f18:16e:df01::258 answers · 443	yes
www over IPv6 www.ltbuildingservices.org has 2 IPv6 addresses and answers on every one we tested. ✓ 2600:1f18:16e:df01::258 answers · 443✓ 2600:1f18:16e:df01::259 answers · 443	yes
Mail servers (MX) have IPv6 No MX records, so mail goes to the domain's own address (implicit MX). It has an AAAA record.	yes
Nameservers have IPv6 4 of 4 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. dns1.p08.nsone.net ✓dns2.p08.nsone.net ✓dns3.p08.nsone.net ✓dns4.p08.nsone.net ✓	yes

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

https://ltbuildingservices.org/ via 2600:1f18:16e:df01::259 → 301https://www.ltbuildingservices.org/ via 2600:1f18:16e:df01::258 → 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/ltbuildingservices.org.svg)](https://aaaa.bot/ltbuildingservices.org)

Check again

ltbuildingservices.org Has IPv6

A (IPv4)	98.84.224.111 18.208.88.157
AAAA (IPv6)	2600:1f18:16e:df01::259 2600:1f18:16e:df01::258

www.ltbuildingservices.org Has IPv6

A (IPv4)	98.84.224.111 18.208.88.157
AAAA (IPv6)	2600:1f18:16e:df01::258 2600:1f18:16e:df01::259

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: ltbuildingservices.org
Measured 2026-11-01 04:41:21 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    98.84.224.111, 18.208.88.157
AAAA (IPv6): 2600:1f18:16e:df01::259, 2600:1f18:16e:df01::258
www AAAA:    2600:1f18:16e:df01::258, 2600:1f18:16e:df01::259

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: ltbuildingservices.org has 2 IPv6 addresses and answers on every one we tested.
    2600:1f18:16e:df01::259: answers (TCP 443)
    2600:1f18:16e:df01::258: answers (TCP 443)
- www over IPv6: www.ltbuildingservices.org has 2 IPv6 addresses and answers on every one we tested.
    2600:1f18:16e:df01::258: answers (TCP 443)
    2600:1f18:16e:df01::259: answers (TCP 443)
- Mail servers (MX) have IPv6: No MX records, so mail goes to the domain's own address (implicit MX). It 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://ltbuildingservices.org/ via 2600:1f18:16e:df01::259 -> HTTP 301, certificate: valid
    https://www.ltbuildingservices.org/ via 2600:1f18:16e:df01::258 -> HTTP 200, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/iUNswibLgA

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

Checked 2026-11-01 04:41:21 UTC. Full DNS report: dns.pizza/domain/ltbuildingservices.org · JSON: /api/v1/ltbuildingservices.org