Verifying against the live site and live WHOIS/DNS…
Common questions
Is isciii.es legit or a scam?
AboutUs doesn't label sites "legit" or "a scam": this page lists the dated registration, DNS, HTTPS, mail-authentication and safety checks we could verify, each with its source, so you can decide for yourself.
Who owns isciii.es?
Nobody has completed AboutUs's owner verification for isciii.es. That's true of most sites here — it isn't itself a warning sign.
On AboutUs since 2006 · last checked Oct 25, 2026.
Registration
No registration date on file yet. AboutUs reads it from RDAP when the site is checked.
AboutUs record
AboutUs wiki pageAboutUs wiki pageJun 20, 2006 – Nov 13, 2013An AboutUs wiki page described isciii.es from Jun 20, 2006 to Nov 13, 2013 (3 edits).Source: AboutUs wiki archive, 2006–2023Said about itself in 2006Jul 1, 2006“Página del Instituto de Salud Carlos III del Ministerio de Sanidad y Consumo”Source: AboutUs wiki archive, 2006Current AboutUs record
Registrar
No registrar observed yet. AboutUs has recorded registrars since Jul 20, 2026.
Ownership
No registration-record history on file for this domain yet.
Zone file
No .es zone-file record for isciii.es is shown here yet.
Certificate
FNMT-RCMFNMT-RCMSep 29, 2025 – Oct 28, 2026 (latest)FNMT-RCM issued 9 certificates for isciii.es from Sep 29, 2025, the latest valid until May 5, 2027. Seen in use on Oct 25, 2026.Source: Certificate Transparency logs (AboutUs's own certificate-log reader); TLS check, Oct 25, 2026
2010201520202025Jan ’26Apr ’26Jul ’26← last 12 months, drawn wider
Every dated fact on this lifeline (5)
Jun 20, 2006 – Nov 13, 2013AboutUs record: An AboutUs wiki page described isciii.es from Jun 20, 2006 to Nov 13, 2013 (3 edits).Source: AboutUs wiki archive, 2006–2023
Jul 1, 2006AboutUs record: “Página del Instituto de Salud Carlos III del Ministerio de Sanidad y Consumo”Source: AboutUs wiki archive, 2006
Sep 29, 2025 – Oct 28, 2026Certificate: FNMT-RCM issued 9 certificates for isciii.es from Sep 29, 2025, the latest valid until May 5, 2027. Seen in use on Oct 25, 2026.Source: Certificate Transparency logs (AboutUs's own certificate-log reader); TLS check, Oct 25, 2026
Jul 3, 2026 – Aug 20, 2026AboutUs record: Authority and Safety last refreshed Aug 20, 2026.Source: AboutUs checks
Jul 17, 2026 – Oct 28, 2026Certificate: Hellenic Academic and Research Institutions CA issued 3 certificates for isciii.es from Jul 17, 2026, the latest valid until Feb 8, 2027.Source: Certificate Transparency logs (AboutUs's own certificate-log reader)
Jul 3, 2026 – Aug 20, 2026 (latest)
Authority and Safety last refreshed Aug 20, 2026.
Source: AboutUs checks
Hellenic Academic and Research Institutions CAJul 17, 2026 – Oct 28, 2026Hellenic Academic and Research Institutions CA issued 3 certificates for isciii.es from Jul 17, 2026, the latest valid until Feb 8, 2027.Source: Certificate Transparency logs (AboutUs's own certificate-log reader)
All 4 safety checks passed (Oct 28, 2026).
Automated safety checks
DNS (passed)
HTTPS (passed)
Page metadata (passed)
Security headers (passed)
Current facts
Latest available measurements; dated entries retain their dates. These are measurements, not an endorsement of the site.
not yet retrieved
Registrar and registration date not retrieved yet — we retry on every view.
latest result
HTTPS request succeeded for www.isciii.es.
checked Sep 29, 2026
The site names Instituto de Salud Carlos III as the organisation behind it.
checked Sep 29, 2026
The live front page reads as a government or public-body site that is a public service, mainly for specialists in its field.
We withhold an authority number until independent evidence (global rank, link-graph presence) has accrued. The facts we do have about this site are shown below — we'd rather say “not enough signals yet” than invent a low score.
Safety evidence
No unexpired threat-feed result; name-similarity check available (recorded about 68 days ago); 3/3 transport and email checks available (oldest recorded about 68 days ago). This is evidence coverage, not a probability that a website is safe.
No caution flags in the available scoring observations; this is not a complete safety assessment
What isciii.es said about itself, 2006
Quoted from the site's AboutUs wiki page in each year it changed (1 version). These are the page's own words at the time, not AboutUs's assessment. New words · dropped words
2006
Página del Instituto de Salud Carlos III del Ministerio de Sanidad y Consumo
Site history
Dated record — historical facts always carry their date; self-description below is the 2013 record.
2006
First tracked by AboutUs (Jun 20, 2006); profile edited 3 times through 2013.
2013
Self-description at the time:
“Isciii.es is a government operated national public health institute”