Verifying against the live site and live WHOIS/DNS…
Common questions
Is sfcdcp.org 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 sfcdcp.org?
Nobody has completed AboutUs's owner verification for sfcdcp.org. That's true of most sites here — it isn't itself a warning sign.
Correct a description, link or other detail. Submissions are reviewed before publication.
Lifeline · sfcdcp.org over time
Checked in the last 30 daysOlder, dated recordFrom registration records
Registered 21 years ago · on AboutUs since 2006 · 2 registrar changes since Dec 12, 2011 · no registrant change on record since 2011 · last checked Oct 5, 2026.
Registration
RegisteredJun 17, 2005sfcdcp.org was registered on Jun 17, 2005.Source: RDAP, fetched Sep 6, 2026
AboutUs record
AboutUs wiki pageAboutUs wiki pageSep 22, 2006 – Nov 5, 2013An AboutUs wiki page described sfcdcp.org from Sep 22, 2006 to Nov 5, 2013 (2 edits).Source: AboutUs wiki archive, 2006–2023
Registrar
GoDaddy.com, Inc. (R91-LROR)Dec 12, 2011Registrar GoDaddy.com, Inc. (R91-LROR) in the registration data recorded on Dec 12, 2011.Source: WHOIS / RDAP archive (who.is)GoDaddy.com, LLCGoDaddy.com, LLCJul 27, 2016 – Apr 19, 2024
Registrant
Registrant recordsDec 12, 2011 – May 22, 2026Registration records for sfcdcp.org are held from Dec 12, 2011 to May 22, 2026 (74 records). None shows a change of registrant. Privacy-service and redaction changes, renames of the same organization and new contacts at it are not counted.Source: WHOIS / RDAP archive (who.is); counted by registrant name and organization only
No registrant changes recorded, 2011–2026
Zone file
Nameservers: GoDaddyNameservers: GoDaddyDec 12, 2011 – Mar 21, 2024Registration records listed GoDaddy nameservers (ns55.domaincontrol.com, ns56.domaincontrol.com) for sfcdcp.org from Dec 12, 2011 to Mar 21, 2024.Source: From registration records (WHOIS / RDAP archive, who.is)Nameservers: Amazon Route 53
Certificate
AmazonFeb 16, 2026 – Nov 5, 2026 (latest)Amazon issued 1 certificate for sfcdcp.org from Feb 16, 2026, the latest valid until Mar 17, 2027. Seen in use on Oct 5, 2026.Source: Certificate Transparency logs (AboutUs's own certificate-log reader); TLS check, Oct 5, 2026
2010201520202025Apr ’26← last 12 months, drawn wider
Every dated fact on this lifeline (12)
Jun 17, 2005Registration: sfcdcp.org was registered on Jun 17, 2005.Source: RDAP, fetched Sep 6, 2026
Jul 1, 2006AboutUs record: “San Francisco Department of Public Health The Communicable Disease Control & Prevention Section, part of the San Francisco Department of Public Health, works closely with community members, clinicians, and city, state, …”Source: AboutUs wiki archive, 2006
Sep 22, 2006 – Nov 5, 2013AboutUs record: An AboutUs wiki page described sfcdcp.org from Sep 22, 2006 to Nov 5, 2013 (2 edits).Source: AboutUs wiki archive, 2006–2023
Dec 12, 2011Registrar: Registrar GoDaddy.com, Inc. (R91-LROR) in the registration data recorded on Dec 12, 2011.Source: WHOIS / RDAP archive (who.is)
Dec 12, 2011 – May 22, 2026Registrant: Registration records for sfcdcp.org are held from Dec 12, 2011 to May 22, 2026 (74 records). None shows a change of registrant. Privacy-service and redaction changes, renames of the same organization and new contacts at it are not counted.Source: WHOIS / RDAP archive (who.is); counted by registrant name and organization only
Dec 12, 2011 – Mar 21, 2024
Said about itself in 2006
Jul 1, 2006
“San Francisco Department of Public Health The Communicable Disease Control & Prevention Section, part of the San Francisco Department of Public Health, works closely with community members, clinicians, and city, state, …”
Source: AboutUs wiki archive, 2006
Current AboutUs recordJun 27, 2026 – Aug 17, 2026 (latest)Authority and Safety last refreshed Aug 17, 2026.Source: AboutUs checks
Registrar GoDaddy.com, LLC (IANA 146) in the WHOIS and RDAP records held for sfcdcp.org, from Jul 27, 2016 to Apr 19, 2024.
Source: WHOIS / RDAP archive (who.is)
Amazon Registrar, Inc.Amazon Registrar, Inc.Jul 3, 2024 – Oct 5, 2026 (latest)Registrar Amazon Registrar, Inc. (IANA 468) in the registration data recorded, first on Jul 3, 2024 and most recently on Oct 5, 2026.Source: RDAP, fetched Sep 6, 2026
Nameservers: Amazon Route 53Apr 19, 2024 – May 22, 2026Registration records listed Amazon Route 53 nameservers (ns-1385.awsdns-45.org, ns-2034.awsdns-62.co.uk, ns-357.awsdns-44.com…) for sfcdcp.org from Apr 19, 2024 to May 22, 2026.Source: From registration records (WHOIS / RDAP archive, who.is)
DNS moved to Amazon Route 53Apr 19, 2024sfcdcp.org's nameservers moved from GoDaddy to Amazon Route 53 between Mar 21, 2024 and Apr 19, 2024. Last seen at GoDaddy: Mar 21, 2024 (registration record). First seen at Amazon Route 53: Apr 19, 2024 (registration record).Source: Derived from the nameserver records on this lifeline (registration record → registration record)
Zone file: Registration records listed GoDaddy nameservers (ns55.domaincontrol.com, ns56.domaincontrol.com) for sfcdcp.org from Dec 12, 2011 to Mar 21, 2024.Source: From registration records (WHOIS / RDAP archive, who.is)
Jul 27, 2016 – Apr 19, 2024Registrar: Registrar GoDaddy.com, LLC (IANA 146) in the WHOIS and RDAP records held for sfcdcp.org, from Jul 27, 2016 to Apr 19, 2024.Source: WHOIS / RDAP archive (who.is)
Apr 19, 2024 – May 22, 2026Zone file: Registration records listed Amazon Route 53 nameservers (ns-1385.awsdns-45.org, ns-2034.awsdns-62.co.uk, ns-357.awsdns-44.com…) for sfcdcp.org from Apr 19, 2024 to May 22, 2026.Source: From registration records (WHOIS / RDAP archive, who.is)
Apr 19, 2024Zone file: sfcdcp.org's nameservers moved from GoDaddy to Amazon Route 53 between Mar 21, 2024 and Apr 19, 2024. Last seen at GoDaddy: Mar 21, 2024 (registration record). First seen at Amazon Route 53: Apr 19, 2024 (registration record).Source: Derived from the nameserver records on this lifeline (registration record → registration record)
Jul 3, 2024 – Oct 5, 2026Registrar: Registrar Amazon Registrar, Inc. (IANA 468) in the registration data recorded, first on Jul 3, 2024 and most recently on Oct 5, 2026.Source: RDAP, fetched Sep 6, 2026
Feb 16, 2026 – Nov 5, 2026Certificate: Amazon issued 1 certificate for sfcdcp.org from Feb 16, 2026, the latest valid until Mar 17, 2027. Seen in use on Oct 5, 2026.Source: Certificate Transparency logs (AboutUs's own certificate-log reader); TLS check, Oct 5, 2026
Jun 27, 2026 – Aug 17, 2026AboutUs record: Authority and Safety last refreshed Aug 17, 2026.Source: AboutUs checks
3 of 4 safety checks passed (Nov 5, 2026).
Registered 2005 · its address redirects to www.sf.gov, which answered over HTTPS
Sfcdcp.org
Communicable Disease Control and Prevention | Home| - San Francisco immunization programs, clinician education, emergency preparedness, and disease outbreak control
Add the HSTS, Content-Security-Policy, and X-Frame-Options response headers.
AboutUs has not vetted this site. Everything below is what we could measure automatically. Anything you do on the site — paying, sharing personal details, downloading — is between you and the site, not AboutUs.
Current facts
Latest available measurements; dated entries retain their dates. These are measurements, not an endorsement of the site.
latest result
Domain registered Jun 17, 2005 — 21 years old.
latest result
Registrar on record: Amazon Registrar, Inc. — unchanged since AboutUs began tracking (Sep 6, 2026).
latest result
HTTPS request succeeded for www.sf.gov.
checked Oct 3, 2026
The live front page reads as a government or public-body site that is a public service, mainly for a local community.
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 79 days ago); 3/3 transport and email checks available (oldest recorded about 79 days ago). This is evidence coverage, not a probability that a website is safe.
Missing DMARC (mild)
What sfcdcp.org 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
San Francisco Department of Public Health The Communicable Disease Control & Prevention Section, part of the San Francisco Department of Public Health, works closely with community members, clinicians, and city, state, and private organizations to protect the health of San Franciscans and our visitors.
Site history
Dated record — historical facts always carry their date.