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Domain Intelligence Report

sd.gov

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Gathering intelligence... (0/12)
DNS
WHOIS
Security
Email
DNSSEC
Threats
Deliverability
SSL/TLS
HTTP
Tech Stack
Subdomains
Archive
Safe
Checking…
no attacks or spoofing
Up
Checking…
reachable and responding
Right
Set up Page Watch
it is what it is
Ready
Checking…
you see what's coming
Outline
Gathering data — check results will appear here as they complete.
DNS Records
WHOIS
Then vs Nownew
Details
Not enough evidence to say whether this is still the same organisation.
Now: Government or public body
AI-judged Sep 30, 2026: likely, not verified
SSL/TLS
Security
Email Auth
DNSSEC
Tech Stack
HTTP / Headers
Threats
Zone census
Subdomains
Web Archive
Deliverability

IPv6

Measured 2026-11-02 16:56 UTC · aaaa.bot
C

Works over IPv6, with gaps: www doesn't fully work over IPv6; its mail servers lack IPv6.

sd.gov has an AAAA record and answers on it.

  • ✓ sd.gov answers (1 of 1 addresses)
  • ✗ www.sd.gov: no IPv6 address
  • ✗ Mail: 0 of 2 servers have IPv6
  • ✓ Nameservers: 2 of 2 have IPv6
Details: published addresses and what answered
sd.govPublished2603:1061:14:48::1Answers when we connect✓ answers on 443
www.sd.govPublishedno IPv6 address publishedAnswers when we connectnothing to test
MailPublishedsmtp.sd.govsmtpb.sd.govAnswers when we connect✗ no IPv6✗ no IPv6
NameserversPublishedabdullah.ns.cloudflare.comanna.ns.cloudflare.comAnswers when we connect✓ has IPv6✓ has IPv6
First measured with IPv6 on 2026-11-02Changes are recorded from here on, each with its date.
Full check on aaaa.bot →Permanent receipt W_PRq_7hSqJSON

Lineage

Our records: Dec 25, 2023 → Nov 2, 2026

Oldest 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 Agency
    Dec 2023 – Feb 2024
  • get.govlast seen Aug 2025
    Jul – Aug 2025

DNS provider

  • sd.gov
    Dec 2023 – Apr 2025
  • sd.gov + sd.us
    Jun 2025
  • Cloudflare
    Jul 2025 – Jun 2026

IPv6

  • IPv6published, and answering
    First measured Nov 2026
What changed
  1. IPv6 first measured: published, and answering on Nov 2, 2026sd.gov has 1 IPv6 address. Grade C. Measured by aaaa.bot, 2026-11-02 00:10 UTC. No earlier IPv6 record is held, so this is not a "gained" date.
  2. Renewed +1 year between Jul 31, 2025 and Aug 31, 2025Expiry moved from 2025-09-10 to 2026-08-11, at get.gov.
  3. DNS moved to Cloudflare between Jun 12, 2025 and Jul 31, 2025ns1.k12.sd.us, ns1.sd.gov, ns2.sd.gov → abdullah.ns.cloudflare.com, anna.ns.cloudflare.com. Old set last seen in WHOIS on 2025-06-12; new set first seen in WHOIS on 2025-07-31.
  4. DNS moved to sd.gov + sd.us between Apr 15, 2025 and Jun 12, 2025ns1.k12.sd.gov, ns1.sd.gov, ns2.sd.gov → ns1.k12.sd.us, ns1.sd.gov, ns2.sd.gov. Old set last seen in WHOIS on 2025-04-15; new set first seen in WHOIS on 2025-06-12.
  5. Renewed +1 year between Dec 25, 2023 and Feb 9, 2024Expiry moved from 2024-09-10 to 2025-09-10, 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: 31 WHOIS/RDAP snapshots, 2023-12-25 to 2026-05-16 (ledger built 2026-09-27). Every renewal

DNS provider, WHOIS snapshots: 29 WHOIS/RDAP snapshots that listed nameservers, 2023-12-25 to 2026-06-26 (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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