expedia.com
IPv6
Measured 2026-11-01 13:02 UTC · aaaa.botWorks over IPv6, with one gap: its mail servers lack IPv6.
expedia.com has 2 IPv6 addresses and answers on every one we tested.
- ✓ expedia.com answers (2 of 2 addresses)
- ✓ www.expedia.com answers (4 of 4)
- ✗ Mail: 0 of 2 servers have IPv6
- ✓ Nameservers: 10 of 10 have IPv6
Details: published addresses and what answered
Loads over IPv6 with a valid certificate after 1 redirect: HTTP 429.
| Name | Published address (AAAA) | Answers when we connect |
|---|---|---|
| expedia.com | Published2600:1408:c400:c::17cd:689a2600:1408:c400:c::17cd:6895 | Answers when we connect✓ answers on 443✓ answers on 443 |
| www.expedia.com | Published2600:1408:c400:c::17cd:688c2600:1408:c400:c::17cd:68912600:1408:c400:c::17cd:688d2600:1408:c400:c::17cd:688f2600:1408:c400:c::17cd:6890 | Answers when we connect✓ answers on 443✓ answers on 443✓ answers on 443✓ answers on 443not tested |
Publishedmxa.expediagroup.commxb.expediagroup.com | Answers when we connect✗ no IPv6✗ no IPv6 | |
| Nameservers | Publisheddns1.p09.nsone.netdns2.p09.nsone.netdns3.p09.nsone.netdns4.p09.nsone.netpdns1.ultradns.netpdns3.ultradns.orgpdns2.ultradns.netpdns6.ultradns.co.ukpdns4.ultradns.orgpdns5.ultradns.info | Answers when we connect✓ has IPv6✓ has IPv6✓ has IPv6✓ has IPv6✓ has IPv6✓ has IPv6✓ has IPv6✓ has IPv6✓ has IPv6✓ has IPv6 |
Lineage
Our records: May 13, 2007 → Nov 1, 2026Oldest registry snapshot we hold: 2007 · 3 renewals on record · DNS at NS1 + UltraDNS (Neustar/Vercara) + ultradns.co.uk · 2 nameserver changes seen. These dates are when our records begin, not when the domain was registered.
What changed
- IPv6 first measured: published, and answering on Nov 1, 2026expedia.com has 2 IPv6 addresses. Grade B. Measured by aaaa.bot, 2026-11-01 13:02 UTC. No earlier IPv6 record is held, so this is not a "gained" date.
- DNS moved to NS1 + UltraDNS (Neustar/Vercara) + ultradns.co.uk between Aug 10, 2022 and Aug 13, 2022pdns3.ultradns.org, pdns4.ultradns.org, pdns5.ultradns.info, pdns6.ultradns.co.uk, pdns89.ultradns.com, pdns89.ultradns.net → dns1.p09.nsone.net, dns2.p09.nsone.net, dns3.p09.nsone.net, dns4.p09.nsone.net, pdns1.ultradns.net, pdns2.ultradns.net, pdns3.ultradns.org, pdns4.ultradns.org, pdns5.ultradns.info, pdns6.ultradns.co.uk. Old set last seen in WHOIS on 2022-08-10; new set first seen in WHOIS on 2022-08-13.
- Renewed +9 years between Aug 30, 2017 and Sep 11, 2017Expiry moved from 2017-10-12 to 2026-10-12, at CSC CORPORATE DOMAINS, INC.
- Renewed +3 years between Sep 24, 2012 and Jul 1, 2016Expiry moved from 2014-10-12 to 2017-10-12, at CSC CORPORATE DOMAINS, INC.
- New nameservers at UltraDNS (Neustar/Vercara) + ultradns.co.uk between May 1, 2014 and May 2, 2014pdns1.ultradns.net, pdns2.ultradns.net, pdns3.ultradns.org, pdns4.ultradns.org, pdns5.ultradns.info, pdns6.ultradns.co.uk → pdns3.ultradns.org, pdns4.ultradns.org, pdns5.ultradns.info, pdns6.ultradns.co.uk, pdns89.ultradns.com, pdns89.ultradns.net. Old set last in the registry zone file on 2014-05-01; new set first seen in WHOIS on 2014-05-02.
- Moved to CSC CORPORATE DOMAINS, INC between Jul 6, 2011 and Jul 7, 2011From CORPORATE DOMAINS, INC to CSC CORPORATE DOMAINS, INC, with 1 year added. Expiry moved from 2013-10-12 to 2014-10-12.
Registrar and renewals: 1,308 WHOIS/RDAP snapshots, 2007-05-13 to 2026-05-25 (ledger built 2026-09-27). Every renewal
Nameservers, registry zone files: 106 .com zone-file snapshots held, 2013-10-18 to 2026-11-01.
Nameservers, WHOIS snapshots: 748 WHOIS/RDAP snapshots that listed nameservers, 2011-07-07 to 2026-06-15 (who.is archive). A change is placed between the nearest observations on either side, from whichever source made them; where the two sources disagree, both are shown.
Hatched = the span we hold records for. A coloured bar runs only between observations that named the same registrar or operator; nothing is assumed in between.
Each mark sits at the first observation of the new state; its bracket runs back to the last observation of the old one.
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