Yes — investing.com has IPv6.

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

Measured 2026-10-31 18:29 UTC. We reuse a result for up to a week, so we aren't testing the same site over and over. Check investing.com now

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 investing.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:4407::ac40:9b69 answers · 443✓ 2606:4700:4402::6812:2097 answers · 443	yes
www over IPv6 www.investing.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:4402::6812:2097 answers · 443✓ 2606:4700:4407::ac40:9b69 answers · 443	yes
Mail servers (MX) have IPv6 Every mail server has an AAAA record. aspmx.l.google.com ✓aspmx2.googlemail.com ✓aspmx3.googlemail.com ✓alt1.aspmx.l.google.com ✓alt2.aspmx.l.google.com ✓	yes
Nameservers have IPv6 2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. agustin.ns.cloudflare.com ✓evangeline.ns.cloudflare.com ✓	yes

First measured 2026-10-31; last confirmed 2026-10-31.

HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate: HTTP 403.

https://investing.com/ via 2606:4700:4407::ac40:9b69 → 403

works

Nothing keeping you from an A

Nothing to fix
Show it off: add the badge to your README.
[![IPv6](https://aaaa.bot/badge/investing.com.svg)](https://aaaa.bot/investing.com)

Check again

investing.com Has IPv6

A (IPv4)	172.64.155.105 104.18.32.151
AAAA (IPv6)	2606:4700:4407::ac40:9b69 2606:4700:4402::6812:2097

www.investing.com Has IPv6

A (IPv4)	172.64.155.105 104.18.32.151
AAAA (IPv6)	2606:4700:4402::6812:2097 2606:4700:4407::ac40:9b69

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: investing.com
Measured 2026-10-31 18:29:44 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    172.64.155.105, 104.18.32.151
AAAA (IPv6): 2606:4700:4407::ac40:9b69, 2606:4700:4402::6812:2097
www AAAA:    2606:4700:4402::6812:2097, 2606:4700:4407::ac40:9b69

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: investing.com has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:4407::ac40:9b69: answers (TCP 443)
    2606:4700:4402::6812:2097: answers (TCP 443)
- www over IPv6: www.investing.com has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:4402::6812:2097: answers (TCP 443)
    2606:4700:4407::ac40:9b69: 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: HTTP 403.
    https://investing.com/ via 2606:4700:4407::ac40:9b69 -> HTTP 403, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/zdliNRLt2s

Permanent link: aaaa.bot/r/zdliNRLt2s · How we measure

Checked 2026-10-31 18:29:44 UTC. Full DNS report: dns.pizza/domain/investing.com · JSON: /api/v1/investing.com