Yes — redjacketsystems.com has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 redjacketsystems.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2a02:4780:84:ee1:bdd9:bcce:a82:1fe0 answers · 443✓ 2a02:4780:84:57ae:61b7:1067:7034:8174 answers · 443	yes
www over IPv6 www.redjacketsystems.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2a02:4780:4c:19da:5686:c3eb:f988:b55 answers · 443✓ 2a02:4780:4a:6c6a:bb74:b969:600:d41e answers · 443	yes
Mail servers (MX) have IPv6 Every mail server has an AAAA record. mx1.hostinger.com ✓mx2.hostinger.com ✓	yes
Nameservers have IPv6 2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. solar.dns-parking.com ✓lunar.dns-parking.com ✓	yes

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

https://redjacketsystems.com/ via 2a02:4780:84:ee1:bdd9:bcce:a82:1fe0 → 200

works

Nothing keeping you from an A

Nothing to fix
Show it off: add the badge to your README.
[![IPv6](https://aaaa.bot/badge/redjacketsystems.com.svg)](https://aaaa.bot/redjacketsystems.com)

Check again

redjacketsystems.com Has IPv6

A (IPv4)	84.32.84.48 2.57.91.97
AAAA (IPv6)	2a02:4780:84:ee1:bdd9:bcce:a82:1fe0 2a02:4780:84:57ae:61b7:1067:7034:8174

www.redjacketsystems.com Has IPv6

Alias of	www.redjacketsystems.com.cdn.hstgr.net
A (IPv4)	88.222.222.27 84.32.84.1
AAAA (IPv6)	2a02:4780:4c:19da:5686:c3eb:f988:b55 2a02:4780:4a:6c6a:bb74:b969:600:d41e

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: redjacketsystems.com
Measured 2026-11-11 20:46:08 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    84.32.84.48, 2.57.91.97
AAAA (IPv6): 2a02:4780:84:ee1:bdd9:bcce:a82:1fe0, 2a02:4780:84:57ae:61b7:1067:7034:8174
www AAAA:    2a02:4780:4c:19da:5686:c3eb:f988:b55, 2a02:4780:4a:6c6a:bb74:b969:600:d41e

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: redjacketsystems.com has 2 IPv6 addresses and answers on every one we tested.
    2a02:4780:84:ee1:bdd9:bcce:a82:1fe0: answers (TCP 443)
    2a02:4780:84:57ae:61b7:1067:7034:8174: answers (TCP 443)
- www over IPv6: www.redjacketsystems.com has 2 IPv6 addresses and answers on every one we tested.
    2a02:4780:4c:19da:5686:c3eb:f988:b55: answers (TCP 443)
    2a02:4780:4a:6c6a:bb74:b969:600:d41e: answers (TCP 443)
- Mail servers (MX) have IPv6: Every mail server 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: HTTP 200.
    https://redjacketsystems.com/ via 2a02:4780:84:ee1:bdd9:bcce:a82:1fe0 -> HTTP 200, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/tFFflW9E3S

Permanent link: aaaa.bot/r/tFFflW9E3S · How we measure

Checked 2026-11-11 20:46:08 UTC. Full DNS report: dns.pizza/domain/redjacketsystems.com · Age, certificate and blocklists: how.is/redjacketsystems.com · JSON: /api/v1/redjacketsystems.com