IPv6
Measured 2026-11-02 16:56 UTC · aaaa.botWorks over IPv6, with one gap: its mail servers lack IPv6.
illinois.edu has an AAAA record and answers on it.
- ✓ illinois.edu answers (1 of 1 addresses)
- ✓ www.illinois.edu answers (1 of 1)
- ✗ Mail: 0 of 1 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 |
|---|---|---|
| illinois.edu | Published2a01:111:f100:1002::4134:dc6d | Answers when we connect✓ answers on 443 |
| www.illinois.edu | Published2a01:111:f100:1002::4134:dc6d | Answers when we connect✓ answers on 443 |
Publishedincoming-relays.illinois.edu | Answers when we connect✗ no IPv6 | |
| Nameservers | Publisheddns3.illinois.edudns1.illinois.edudns2.illinois.edu | Answers when we connect✓ has IPv6✓ has IPv6✓ has IPv6 |
Lineage
Our records: Feb 16, 2009 → Nov 2, 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
- iu.edu + uiuc.eduFeb 2009 – Feb 2011
- illinois.edu + iu.edu + uiuc.eduFeb – Mar 2011
- illinois.edu + iu.eduMar 2011 – Mar 2014
- illinois.eduApr 2014 – Jun 2026
IPv6
- IPv6published, and answeringFirst measured Nov 2026
What changed
- IPv6 first measured: published, and answering on Nov 2, 2026illinois.edu has 1 IPv6 address. Grade B. Measured by aaaa.bot, 2026-11-02 00:06 UTC. No earlier IPv6 record is held, so this is not a "gained" date.
- DNS moved to illinois.edu between Mar 31, 2014 and Apr 2, 2014dns1.illinois.edu, dns1.iu.edu, dns2.illinois.edu → dns1.illinois.edu, dns2.illinois.edu, dns3.illinois.edu. Old set last seen in WHOIS on 2014-03-31; new set first seen in WHOIS on 2014-04-02.
- DNS moved to illinois.edu + iu.edu between Mar 13, 2011 and Mar 25, 2011dns1.cso.uiuc.edu, dns1.illinois.edu, dns1.iu.edu, dns2.cso.uiuc.edu, dns2.illinois.edu → dns1.illinois.edu, dns1.iu.edu, dns2.illinois.edu. Old set last seen in WHOIS on 2011-03-13; new set first seen in WHOIS on 2011-03-25.
- DNS moved to illinois.edu + iu.edu + uiuc.edu between Feb 17, 2011 and Feb 25, 2011dns1.cso.uiuc.edu, dns1.iu.edu, dns2.cso.uiuc.edu → dns1.cso.uiuc.edu, dns1.illinois.edu, dns1.iu.edu, dns2.cso.uiuc.edu, dns2.illinois.edu. Old set last seen in WHOIS on 2011-02-17; new set first seen in WHOIS on 2011-02-25.
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: 18 WHOIS/RDAP snapshots, 2025-01-16 to 2025-04-26 (ledger built 2026-09-27). Every renewal
DNS provider, WHOIS snapshots: 468 WHOIS/RDAP snapshots that listed nameservers, 2009-02-16 to 2026-06-11 (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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