Yes — 8days.bio has IPv6.

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

B
IPv6 readiness
Works over IPv6, with one gap: its nameservers lack IPv6.
Website over IPv6
8days.bio has 4 IPv6 addresses and answers on every one we tested (4 more not tested).
✓ 2a05:d014:179b:c403:729f:6fd9:8735:3a47 answers · 443✓ 2a05:d014:179b:c403:544f:c12e:dcbf:c957 answers · 443✓ 2a05:d014:179b:c403:38ff:8ecc:ca6:8daf answers · 443✓ 2a05:d014:179b:c403:b3d2:9ad2:26c:52a4 answers · 443– 2a05:d014:179b:c400:12d6:a94b:adbd:3334 not tested– 2a05:d014:179b:c403:97bc:7a61:2584:3709 not tested– 2a05:d014:179b:c403:d818:28ff:4c9d:340e not tested– 2600:1f1c:6db:8801:6f53:9fde:4d81:d192 not tested
yes
www over IPv6
www.8days.bio has 4 IPv6 addresses and answers on every one we tested (4 more not tested).
✓ 2600:1f1c:6db:8801:6f53:9fde:4d81:d192 answers · 443✓ 2a05:d014:179b:c403:544f:c12e:dcbf:c957 answers · 443✓ 2a05:d014:179b:c400:12d6:a94b:adbd:3334 answers · 443✓ 2a05:d014:179b:c403:b3d2:9ad2:26c:52a4 answers · 443– 2a05:d014:179b:c403:97bc:7a61:2584:3709 not tested– 2a05:d014:179b:c403:38ff:8ecc:ca6:8daf not tested– 2a05:d014:179b:c403:d818:28ff:4c9d:340e not tested– 2a05:d014:179b:c403:729f:6fd9:8735:3a47 not tested
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
No nameserver has an AAAA record — an IPv6-only resolver can't reach this domain's DNS.
ns1.dns-redirect.com ✗ns2.dns-redirect.com ✗
no
HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate after 1 redirect: HTTP 403.
https://8days.bio/ via 2a05:d014:179b:c403:729f:6fd9:8735:3a47 → 301https://expireddomains.com/domain/8days.bio?utm_source=redi via 2606:4700:20::681a:f7a → 403
works
 Which outside scripts, fonts, payments or chat 8days.bio loads from have no IPv6.
 Load 8days.bio over IPv6 from up to six other places — a second opinion.

What's keeping 8days.bio from an A

  1. Nameservers without IPv6
    ns1.dns-redirect.com, ns2.dns-redirect.com all have no AAAA record, so a resolver that only speaks IPv6 can't look your domain up. Most DNS providers offer IPv6 nameservers; ask yours, or move DNS to one that does.

Check again

8days.bio  Has IPv6

A (IPv4)76.223.91.20
5.78.156.59
195.201.128.179
5.161.47.86
AAAA (IPv6)2a05:d014:179b:c403:729f:6fd9:8735:3a47
2a05:d014:179b:c403:544f:c12e:dcbf:c957
2a05:d014:179b:c403:38ff:8ecc:ca6:8daf
2a05:d014:179b:c403:b3d2:9ad2:26c:52a4
2a05:d014:179b:c400:12d6:a94b:adbd:3334
2a05:d014:179b:c403:97bc:7a61:2584:3709
2a05:d014:179b:c403:d818:28ff:4c9d:340e
2600:1f1c:6db:8801:6f53:9fde:4d81:d192

www.8days.bio  Has IPv6

A (IPv4)195.201.128.179
76.223.91.20
5.78.156.59
5.161.47.86
AAAA (IPv6)2600:1f1c:6db:8801:6f53:9fde:4d81:d192
2a05:d014:179b:c403:544f:c12e:dcbf:c957
2a05:d014:179b:c400:12d6:a94b:adbd:3334
2a05:d014:179b:c403:b3d2:9ad2:26c:52a4
2a05:d014:179b:c403:97bc:7a61:2584:3709
2a05:d014:179b:c403:38ff:8ecc:ca6:8daf
2a05:d014:179b:c403:d818:28ff:4c9d:340e
2a05:d014:179b:c403:729f:6fd9:8735:3a47

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

 Permanent link: aaaa.bot/r/0H2ytDO8BZ · How we measure

Checked 2026-11-06 07:34:18 UTC. Full DNS report: dns.pizza/domain/8days.bio · Age, certificate and blocklists: how.is/8days.bio · JSON: /api/v1/8days.bio