Has both IPv4 (A) and IPv6 (AAAA) addresses.
| Website over IPv6 msb.systems has 4 IPv6 addresses and answers on every one we tested (4 more not tested). ✓ 2a05:d014:179b:c402:1b60:7bf4:5fbd:ae45 answers · 443✓ 2a05:d014:179b:c400:a327:40ee:24cc:6180 answers · 443✓ 2a05:d014:179b:c402:3a1f:d53f:7877:cf2f answers · 443✓ 2a05:d018:1d22:801:d2f9:a416:8dd7:17c8 answers · 443– 2a05:d014:179b:c403:8471:8bb4:4524:d697 not tested– 2a05:d014:179b:c403:401:8102:d200:c252 not tested– 2406:da1e:214:c901:85f9:e397:190d:62b7 not tested– 2600:1f1c:6db:8800:7877:9535:99b1:9c34 not tested | yes |
| www over IPv6 www.msb.systems has 4 IPv6 addresses and answers on every one we tested (4 more not tested). ✓ 2600:1f1c:6db:8800:7877:9535:99b1:9c34 answers · 443✓ 2406:da1e:214:c901:85f9:e397:190d:62b7 answers · 443✓ 2a05:d014:179b:c403:8471:8bb4:4524:d697 answers · 443✓ 2a05:d014:179b:c403:401:8102:d200:c252 answers · 443– 2a05:d014:179b:c402:3a1f:d53f:7877:cf2f not tested– 2a05:d014:179b:c400:a327:40ee:24cc:6180 not tested– 2a05:d018:1d22:801:d2f9:a416:8dd7:17c8 not tested– 2a05:d014:179b:c402:1b60:7bf4:5fbd:ae45 not tested | 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 No nameserver has an AAAA record — an IPv6-only resolver can't reach this domain's DNS. ns1.dns-redirect.com ✗ns2.dns-redirect.com ✗ | no |
| HTTPS over IPv6 · not part of the grade yet Loads over IPv6 with a valid certificate after 1 redirect: HTTP 403. https://msb.systems/ via 2a05:d014:179b:c402:1b60:7bf4:5fbd:ae45 → 301https://expireddomains.com/domain/msb.systems?utm_source=redi via 2606:4700:20::ac43:4556 → 403 | works |
msb.systems Has IPv6
| A (IPv4) | 76.223.91.20 195.201.128.179 46.62.237.138 5.161.230.87 5.78.156.59 5.161.47.86 |
|---|---|
| AAAA (IPv6) | 2a05:d014:179b:c402:1b60:7bf4:5fbd:ae45 2a05:d014:179b:c400:a327:40ee:24cc:6180 2a05:d014:179b:c402:3a1f:d53f:7877:cf2f 2a05:d018:1d22:801:d2f9:a416:8dd7:17c8 2a05:d014:179b:c403:8471:8bb4:4524:d697 2a05:d014:179b:c403:401:8102:d200:c252 2406:da1e:214:c901:85f9:e397:190d:62b7 2600:1f1c:6db:8800:7877:9535:99b1:9c34 |
www.msb.systems Has IPv6
| A (IPv4) | 76.223.91.20 46.62.237.138 195.201.128.179 5.78.156.59 5.161.47.86 5.161.230.87 |
|---|---|
| AAAA (IPv6) | 2600:1f1c:6db:8800:7877:9535:99b1:9c34 2406:da1e:214:c901:85f9:e397:190d:62b7 2a05:d014:179b:c403:8471:8bb4:4524:d697 2a05:d014:179b:c403:401:8102:d200:c252 2a05:d014:179b:c402:3a1f:d53f:7877:cf2f 2a05:d014:179b:c400:a327:40ee:24cc:6180 2a05:d018:1d22:801:d2f9:a416:8dd7:17c8 2a05:d014:179b:c402:1b60:7bf4:5fbd:ae45 |
Browsers on dual-stack networks will usually pick IPv6 here (the "Happy Eyeballs" algorithm races both and prefers v6).
Permanent link: aaaa.bot/r/-m-BPeH-3n · How we measure
Checked 2026-11-11 04:45:41 UTC. Full DNS report: dns.pizza/domain/msb.systems · Age, certificate and blocklists: how.is/msb.systems · JSON: /api/v1/msb.systems