IPv6
Measured 2026-11-01 16:52 UTC · aaaa.botWebsite, mail and DNS all work over IPv6.
Both published IPv6 addresses accepted a connection when we tried them.
- ✓ ahrefs.com answers (2 of 2 addresses)
- ✓ www.ahrefs.com answers (2 of 2)
- ✓ Mail: 1 of 1 servers have IPv6
- ✓ Nameservers: 2 of 2 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 |
|---|---|---|
| ahrefs.com | Published2606:4700:440d::ac40:94732606:4700:440b::6812:278d | Answers when we connect✓ answers on 443✓ answers on 443 |
| www.ahrefs.com | Published2606:4700:440d::ac40:94732606:4700:440b::6812:278d | Answers when we connect✓ answers on 443✓ answers on 443 |
Publishedsmtp.google.com | Answers when we connect✓ has IPv6 | |
| Nameservers | Publishedadam.ns.cloudflare.comyolanda.ns.cloudflare.com | Answers when we connect✓ has IPv6✓ has IPv6 |
Lineage
Our records: Apr 21, 2011 → Nov 1, 2026Oldest registry snapshot we hold: 2011 · 2 renewals on record · DNS at Cloudflare · 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, 2026ahrefs.com has 2 IPv6 addresses. Grade A. Measured by aaaa.bot, 2026-11-01 16:52 UTC. No earlier IPv6 record is held, so this is not a "gained" date.
- DNS moved to Cloudflare between Mar 23, 2020 and Mar 29, 2020ns1djs.name.com, ns2fwz.name.com, ns3fhx.name.com, ns4cfn.name.com → adam.ns.cloudflare.com, yolanda.ns.cloudflare.com. Old set last seen in WHOIS on 2020-03-23; new set first seen in WHOIS on 2020-03-29.
- Renewed +6 years between Feb 23, 2020 and Mar 18, 2020Expiry moved from 2023-11-25 to 2029-11-25, at Name.com, Inc.
- Renewed +8 years between Jun 5, 2014 and Jul 9, 2016Expiry moved from 2015-11-25 to 2023-11-25, at Name.com, Inc.
- New nameservers at Name.com between Aug 27, 2012 and Sep 11, 2012ns1.name.com, ns2.name.com, ns3.name.com, ns4.name.com → ns1djs.name.com, ns2fwz.name.com, ns3fhx.name.com, ns4cfn.name.com. Old set last seen in WHOIS on 2012-08-27; new set first seen in WHOIS on 2012-09-11.
Registrar and renewals: 731 WHOIS/RDAP snapshots, 2011-04-21 to 2026-05-30 (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: 660 WHOIS/RDAP snapshots that listed nameservers, 2011-04-21 to 2026-06-29 (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.
Want to know when ahrefs.com changes?
Monitor it free — 5 monitors, uptime checks every 5 minutes, email alerts when something breaks. No card required.
Explore related
Registered in 2010 — the same year as t.me, dnsowl.com and cdn-apple.com.