Has both IPv4 (A) and IPv6 (AAAA) addresses.
| Website over IPv6 prepssc.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2a02:4780:84:9557:ac15:7a96:2830:16c8 answers · 443✓ 2a02:4780:84:a45e:3a33:c9fe:ce97:8212 answers · 443 | yes |
| www over IPv6 www.prepssc.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2a02:4780:84:f827:37e6:fd3d:4447:bf8e answers · 443✓ 2a02:4780:84:31cd:36dd:45a2:b7b5:9708 answers · 443 | 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 2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. hyperion.dns-parking.com ✓atlas.dns-parking.com ✓ | yes |
| HTTPS over IPv6 · not part of the grade yet Loads over IPv6 with a valid certificate: HTTP 200. https://prepssc.com/ via 2a02:4780:84:9557:ac15:7a96:2830:16c8 → 200 | works |
prepssc.com Has IPv6
| A (IPv4) | 84.32.84.208 88.222.222.28 |
|---|---|
| AAAA (IPv6) | 2a02:4780:84:9557:ac15:7a96:2830:16c8 2a02:4780:84:a45e:3a33:c9fe:ce97:8212 |
www.prepssc.com Has IPv6
| Alias of | www.prepssc.com.cdn.hstgr.net |
|---|---|
| A (IPv4) | 84.32.84.43 2.57.91.63 |
| AAAA (IPv6) | 2a02:4780:84:f827:37e6:fd3d:4447:bf8e 2a02:4780:84:31cd:36dd:45a2:b7b5:9708 |
Browsers on dual-stack networks will usually pick IPv6 here (the "Happy Eyeballs" algorithm races both and prefers v6).
Permanent link: aaaa.bot/r/DtAAZFpPbT · How we measure
Checked 2026-11-01 17:36:32 UTC. Full DNS report: dns.pizza/domain/prepssc.com · JSON: /api/v1/prepssc.com