Has an IPv4 address but no IPv6 (AAAA) record. IPv6-only visitors can't reach it directly.
Measured 2026-11-02 14:56 UTC. We reuse a result for up to a week, so we aren't testing the same site over and over. Check collegeboard.org now
| Website over IPv6 collegeboard.org has no AAAA record. | no |
| www over IPv6 www.collegeboard.org has no AAAA record. | no |
| Mail servers (MX) have IPv6 None of the mail servers has an AAAA record. mxa-004a7c01.gslb.pphosted.com ✗mxb-004a7c01.gslb.pphosted.com ✗ | no |
| Nameservers have IPv6 4 of 4 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. ns-1054.awsdns-03.org ✓ns-1937.awsdns-50.co.uk ✓ns-373.awsdns-46.com ✓ns-756.awsdns-30.net ✓ | yes |
First measured 2026-11-02; last confirmed 2026-11-02.
collegeboard.org IPv4 only
| A (IPv4) | 76.223.34.124 13.248.160.137 |
|---|---|
| AAAA (IPv6) | none |
www.collegeboard.org IPv4 only
| Alias of | www.collegeboard.org.edgekey.net → e6497.a.akamaiedge.net |
|---|---|
| A (IPv4) | 104.68.245.19 |
| 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/MMRjyIgdVK · How we measure
Checked 2026-11-02 14:56:31 UTC. Full DNS report: dns.pizza/domain/collegeboard.org · Age, certificate and blocklists: how.is/collegeboard.org · JSON: /api/v1/collegeboard.org