Has an IPv4 address but no IPv6 (AAAA) record. IPv6-only visitors can't reach it directly.
| Website over IPv6 oup.com has no AAAA record. | no |
| www over IPv6 www.oup.com has no AAAA record. | no |
| Mail servers (MX) have IPv6 Every mail server has an AAAA record. oup-com.mail.protection.outlook.com ✓ | yes |
| Nameservers have IPv6 4 of 4 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. ns-1127.awsdns-12.org ✓ns-1909.awsdns-46.co.uk ✓ns-357.awsdns-44.com ✓ns-978.awsdns-58.net ✓ | yes |
First measured 2026-10-31; last confirmed 2026-10-31.
oup.com IPv4 only
| A (IPv4) | 75.2.119.185 |
|---|---|
| AAAA (IPv6) | none |
www.oup.com IPv4 only
| A (IPv4) | 75.2.119.185 |
|---|---|
| AAAA (IPv6) | none |
Visitors on IPv6-only networks (many mobile carriers) can still reach it, but only through a translator their carrier runs (NAT64). The site itself has no IPv6 address — and you can't make one up from the IPv4. Why some hosts don't offer it
Permanent link: aaaa.bot/r/vzv1lf06ne · How we measure
Checked 2026-10-31 00:04:32 UTC — one of the top 1,000 sites, re-checked weekly. Re-check now. Full DNS report: dns.pizza/domain/oup.com · JSON: /api/v1/oup.com