Yes — peptides360.store 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 peptides360.store has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3036::ac43:bc90 answers · 443✓ 2606:4700:3030::6815:13be answers · 443	yes
www over IPv6 www.peptides360.store has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3036::ac43:bc90 answers · 443✓ 2606:4700:3030::6815:13be answers · 443	yes
Mail servers (MX) have IPv6 None of the mail servers has an AAAA record. mx1.privateemail.com ✗mx2.privateemail.com ✗	no
Nameservers have IPv6 2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. dns1.registrar-servers.com ✓dns2.registrar-servers.com ✓	yes

HTTPS over IPv6 · not part of the grade yet
peptides360.store didn't complete an HTTPS request over IPv6 (ERR_SSL_SSL/TLS_ALERT_HANDSHAKE_FAILURE).

https://peptides360.store/ via 2606:4700:3036::ac43:bc90 · ERR_SSL_SSL/TLS_ALERT_HANDSHAKE_FAILURE

What's keeping peptides360.store from an A

Mail servers without IPv6
mx1.privateemail.com, mx2.privateemail.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

peptides360.store Has IPv6

Alias of	sites.mydose.store
A (IPv4)	172.67.188.144 104.21.19.190
AAAA (IPv6)	2606:4700:3036::ac43:bc90 2606:4700:3030::6815:13be

www.peptides360.store Has IPv6

Alias of	sites.mydose.store
A (IPv4)	104.21.19.190 172.67.188.144
AAAA (IPv6)	2606:4700:3036::ac43:bc90 2606:4700:3030::6815:13be

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: peptides360.store
Measured 2026-11-14 15:54:50 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    172.67.188.144, 104.21.19.190
AAAA (IPv6): 2606:4700:3036::ac43:bc90, 2606:4700:3030::6815:13be
www AAAA:    2606:4700:3036::ac43:bc90, 2606:4700:3030::6815:13be

Readiness grade B: Works over IPv6, with one gap: its mail servers lack IPv6.
- Website over IPv6: peptides360.store has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3036::ac43:bc90: answers (TCP 443)
    2606:4700:3030::6815:13be: answers (TCP 443)
- www over IPv6: www.peptides360.store has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3036::ac43:bc90: answers (TCP 443)
    2606:4700:3030::6815:13be: 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): peptides360.store didn't complete an HTTPS request over IPv6 (ERR_SSL_SSL/TLS_ALERT_HANDSHAKE_FAILURE).
    https://peptides360.store/ via 2606:4700:3036::ac43:bc90 (ERR_SSL_SSL/TLS_ALERT_HANDSHAKE_FAILURE)
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/F8hpwRhkQL

Permanent link: aaaa.bot/r/F8hpwRhkQL · How we measure

Checked 2026-11-14 15:54:50 UTC. Full DNS report: dns.pizza/domain/peptides360.store · Age, certificate and blocklists: how.is/peptides360.store · JSON: /api/v1/peptides360.store