Yes — researchgate.net has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 researchgate.net has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:4403::6812:2909 answers · 443✓ 2a06:98c1:3106::ac40:92f7 answers · 443	yes
www over IPv6 www.researchgate.net has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:4403::6812:2909 answers · 443✓ 2a06:98c1:3106::ac40:92f7 answers · 443	yes
Mail servers (MX) have IPv6 Every mail server has an AAAA record. aspmx.l.google.com ✓alt3.aspmx.l.google.com ✓alt4.aspmx.l.google.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. marty.ns.cloudflare.com ✓val.ns.cloudflare.com ✓	yes

HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate after 1 redirect: HTTP 403.

https://researchgate.net/ via 2606:4700:4403::6812:2909 → 301https://www.researchgate.net/ via 2606:4700:4403::6812:2909 → 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/researchgate.net.svg)](https://aaaa.bot/researchgate.net)

Check again

researchgate.net Has IPv6

A (IPv4)	172.64.146.247 104.18.41.9
AAAA (IPv6)	2606:4700:4403::6812:2909 2a06:98c1:3106::ac40:92f7

www.researchgate.net Has IPv6

A (IPv4)	104.18.41.9 172.64.146.247
AAAA (IPv6)	2606:4700:4403::6812:2909 2a06:98c1:3106::ac40:92f7

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: researchgate.net
Measured 2026-10-30 18:04:33 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    172.64.146.247, 104.18.41.9
AAAA (IPv6): 2606:4700:4403::6812:2909, 2a06:98c1:3106::ac40:92f7
www AAAA:    2606:4700:4403::6812:2909, 2a06:98c1:3106::ac40:92f7

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: researchgate.net has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:4403::6812:2909: answers (TCP 443)
    2a06:98c1:3106::ac40:92f7: answers (TCP 443)
- www over IPv6: www.researchgate.net has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:4403::6812:2909: answers (TCP 443)
    2a06:98c1:3106::ac40:92f7: 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 1 redirect: HTTP 403.
    https://researchgate.net/ via 2606:4700:4403::6812:2909 -> HTTP 301, certificate: valid
    https://www.researchgate.net/ via 2606:4700:4403::6812:2909 -> HTTP 403, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/ezms3VRBFE

Permanent link: aaaa.bot/r/ezms3VRBFE · How we measure

Checked 2026-10-30 18:04:33 UTC — one of the top 1,000 sites, re-checked weekly. Re-check now. Full DNS report: dns.pizza/domain/researchgate.net · JSON: /api/v1/researchgate.net