IPv6
Measured 2026-11-04 17:36 UTC · aaaa.botWebsite, mail and DNS all work over IPv6.
The published IPv6 address accepted a connection when we tried it.
- ✓ smokefree.gov answers (1 of 1 addresses)
- ✓ www.smokefree.gov answers (1 of 1)
- ✓ Mail: has 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 |
|---|---|---|
| smokefree.gov | Published2600:9000:a601:3f6a:c82f:8bec:7e1e:f64b | Answers when we connect✓ answers on 443 |
| www.smokefree.gov | Published2600:9000:a601:3f6a:c82f:8bec:7e1e:f64b | Answers when we connect✓ answers on 443 |
PublishedNo MX records, so mail goes to the domain's own address (implicit MX). It has an AAAA record. | Answers when we connecthas IPv6 | |
| Nameservers | Publishedns.nih.govns2.nih.govns3.nih.gov | Answers when we connect✓ has IPv6✓ has IPv6✓ has IPv6 |
See where it lives on the IPv4 map →
Lineage
Our records: Dec 21, 2023 → Nov 4, 2026Oldest registry snapshot we hold: 2023 · 2 renewals on record. These dates are when our records begin, not when the domain was registered.
Registrar
- Cybersecurity and Infrastructure Security AgencyDec 2023 – Jan 2024
- get.govlast seen Sep 2025Aug – Sep 2025
DNS provider
- nih.govDec 2023 – Jun 2026
IPv6
- IPv6published, and answeringFirst measured Nov 2026
What changed
- IPv6 first measured: published, and answering on Nov 4, 2026smokefree.gov has 1 IPv6 address. Grade A. Measured by aaaa.bot, 2026-11-04 17:36 UTC. No earlier IPv6 record is held, so this is not a "gained" date.
- Renewed +1 year between Aug 16, 2025 and Sep 16, 2025Expiry moved from 2025-09-22 to 2026-09-15, at get.gov.
- Renewed +1 year between Dec 21, 2023 and Jan 22, 2024Expiry moved from 2024-09-22 to 2025-09-22, at Cybersecurity and Infrastructure Security Agency.
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: 43 WHOIS/RDAP snapshots, 2023-12-21 to 2026-04-06 (ledger built 2026-09-27). Every renewal
DNS provider, WHOIS snapshots: 30 WHOIS/RDAP snapshots that listed nameservers, 2023-12-21 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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Explore related
Registered in 1997 — the same year as google.com, facebook.com and mail.ru.