IPv6
Measured 2026-11-14 19:13 UTC · aaaa.botThe website has no IPv6.
nethost.cz has no IPv6 address published.
- ✗ nethost.cz: no IPv6 address
- ✓ www.nethost.cz answers (3 of 3)
- ✗ Mail: 0 of 2 servers have IPv6
- ✓ Nameservers: 3 of 4 have IPv6
Details: published addresses and what answered
| Name | Published address (AAAA) | Answers when we connect |
|---|---|---|
| nethost.cz | Publishedno IPv6 address published | Answers when we connectnothing to test |
| www.nethost.cz | Published2001:41d0:404:200::86e32001:41d0:601:1100::37922001:41d0:701:1100::4d2e | Answers when we connect✓ answers on 443✓ answers on 443✓ answers on 443 |
Publishedmail-prox-relay-a3x57.nethost.czmail-prox-relay-q98d7.nethost.cz | Answers when we connect✗ no IPv6✗ no IPv6 | |
| Nameservers | Publisheddns.nethost.czpns.nethost.czsns.nethost.sktns.nethost.eu | Answers when we connect✓ has IPv6✗ no IPv6✓ has IPv6✓ has IPv6 |
See where it lives on the IPv4 map →
Lineage
Our records: Feb 7, 2009 → Nov 14, 2026Oldest registry snapshot we hold: 2025 · 0 renewals on record. These dates are when our records begin, not when the domain was registered.
DNS provider
- nethost.cz + nethost.skFeb 2009 – Nov 2018
- nethost.cz + nethost.eu + nethost.skFeb 2019 – Jun 2026
IPv6
- IPv6no IPv6 publishedFirst measured Nov 2026
What changed
- IPv6 first measured: no IPv6 published on Nov 4, 2026nethost.cz: no IPv6 published. Grade D. Measured by aaaa.bot, 2026-11-04 13:04 UTC. No earlier IPv6 record is held, so this is not a "gained" date.
- DNS moved to nethost.cz + nethost.eu + nethost.sk between Nov 16, 2018 and Feb 13, 2019dns.nethost.cz, pns.nethost.cz, sns.nethost.cz, sns.nethost.sk, tns.nethost.cz → dns.nethost.cz, pns.nethost.cz, sns.nethost.sk, tns.nethost.cz, tns.nethost.eu. Old set last seen in WHOIS on 2018-11-16; new set first seen in WHOIS on 2019-02-13.
Solid bar: the stretch we observed that name. Dot: a single sighting. Dotted line: no record between sightings of the same name. Nothing is drawn between different names.
Registrar and renewals: 16 WHOIS/RDAP snapshots, 2025-01-08 to 2026-05-17 (ledger built 2026-09-27). Every renewal
DNS provider, WHOIS snapshots: 90 WHOIS/RDAP snapshots that listed nameservers, 2009-02-07 to 2026-06-27 (who.is archive). Both sources feed one row per provider (hover a bar to see which); a change is placed between the nearest observations on either side, and where the two sources disagree, both are listed under What changed.
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Explore related
Registered in 2000 — the same year as twitter.com, yandex.net and wordpress.com.