Yes — wiley.com 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 wiley.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700::6812:ce8 answers · 443✓ 2606:4700::6812:de8 answers · 443	yes
www over IPv6 www.wiley.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2a06:98c1:310a::6812:2a4f answers · 443✓ 2606:4700:4407::ac40:91b1 answers · 443	yes
Mail servers (MX) have IPv6 None of the mail servers has an AAAA record. mxa-0053b401.gslb.pphosted.com ✗mxb-0053b401.gslb.pphosted.com ✗	no
Nameservers have IPv6 2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. rex.ns.cloudflare.com ✓teagan.ns.cloudflare.com ✓	yes

HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate after 3 redirects: HTTP 200.

https://wiley.com/ via 2606:4700::6812:ce8 → 301https://www.wiley.com/ via 2a06:98c1:310a::6812:2a4f → 302https://www.wiley.com/en-us/ via 2a06:98c1:310a::6812:2a4f → 301https://www.wiley.com/en-us via 2a06:98c1:310a::6812:2a4f → 200

works

What's keeping wiley.com from an A

Mail servers without IPv6
mxa-0053b401.gslb.pphosted.com, mxb-0053b401.gslb.pphosted.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

wiley.com Has IPv6

A (IPv4)	104.18.12.232 104.18.13.232
AAAA (IPv6)	2606:4700::6812:ce8 2606:4700::6812:de8

www.wiley.com Has IPv6

A (IPv4)	104.18.42.79 172.64.145.177
AAAA (IPv6)	2a06:98c1:310a::6812:2a4f 2606:4700:4407::ac40:91b1

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: wiley.com
Measured 2026-10-31 02:03:53 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    104.18.12.232, 104.18.13.232
AAAA (IPv6): 2606:4700::6812:ce8, 2606:4700::6812:de8
www AAAA:    2a06:98c1:310a::6812:2a4f, 2606:4700:4407::ac40:91b1

Readiness grade B: Works over IPv6, with one gap: its mail servers lack IPv6.
- Website over IPv6: wiley.com has 2 IPv6 addresses and answers on every one we tested.
    2606:4700::6812:ce8: answers (TCP 443)
    2606:4700::6812:de8: answers (TCP 443)
- www over IPv6: www.wiley.com has 2 IPv6 addresses and answers on every one we tested.
    2a06:98c1:310a::6812:2a4f: answers (TCP 443)
    2606:4700:4407::ac40:91b1: 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): Loads over IPv6 with a valid certificate after 3 redirects: HTTP 200.
    https://wiley.com/ via 2606:4700::6812:ce8 -> HTTP 301, certificate: valid
    https://www.wiley.com/ via 2a06:98c1:310a::6812:2a4f -> HTTP 302, certificate: valid
    https://www.wiley.com/en-us/ via 2a06:98c1:310a::6812:2a4f -> HTTP 301, certificate: valid
    https://www.wiley.com/en-us via 2a06:98c1:310a::6812:2a4f -> HTTP 200, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/Zexj2FEkwD

Permanent link: aaaa.bot/r/Zexj2FEkwD · How we measure

Checked 2026-10-31 02:03:53 UTC. Full DNS report: dns.pizza/domain/wiley.com · JSON: /api/v1/wiley.com