IPv6
Measured 2026-11-15 15:48 UTC · aaaa.botWorks over IPv6, with one gap: its mail servers lack IPv6.
avonet.cz has an AAAA record and answers on it.
- ✓ avonet.cz answers (1 of 1 addresses)
- ✓ www.avonet.cz answers (1 of 1)
- ✗ Mail: 1 of 3 servers have IPv6
- ✓ Nameservers: 3 of 3 have IPv6
Details: published addresses and what answered
Loads over IPv6 with a valid certificate: HTTP 200.
| Name | Published address (AAAA) | Answers when we connect |
|---|---|---|
| avonet.cz | Published2a00:6500:0:11::eb:0 | Answers when we connect✓ answers on 443 |
| www.avonet.cz | Published2a00:6500:0:11::eb:0 | Answers when we connect✓ answers on 443 |
Publishedms.avonet.czmx1.avonet.czspool.avonet.cz | Answers when we connect✓ has IPv6✗ no IPv6✗ no IPv6 | |
| Nameservers | Publishedns.avonet.czsns.avonet.cztns.avonet.cz | Answers when we connect✓ has IPv6✓ has IPv6✓ has IPv6 |
See where it lives on the IPv4 map →
Lineage
Our records: Jan 15, 2009 → Nov 15, 2026Oldest registry snapshot we hold: 2025 · 1 renewal on record. These dates are when our records begin, not when the domain was registered.
DNS provider
- avonet.czJan 2009 – Jun 2026
IPv6
- IPv6published, and answeringFirst measured Nov 2026
What changed
- IPv6 first measured: published, and answering on Nov 4, 2026avonet.cz has 1 IPv6 address. Grade B. Measured by aaaa.bot, 2026-11-04 13:04 UTC. No earlier IPv6 record is held, so this is not a "gained" date.
- Renewed +1 year between Sep 20, 2025 and Oct 28, 2025Expiry moved from 2025-10-06 to 2026-10-06.
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, 2025-02-01 to 2026-05-22 (ledger built 2026-09-27). Every renewal
DNS provider, WHOIS snapshots: 98 WHOIS/RDAP snapshots that listed nameservers, 2009-01-15 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 1997 — the same year as google.com, facebook.com and mail.ru.