Verifying against the live site and live WHOIS/DNS…
Common questions
Is tsp.gov legit or a scam?
tsp.gov was registered Oct 2, 1997 (29 years old), per public registration records. 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 tsp.gov?
Nobody has completed AboutUs's owner verification for tsp.gov. That's true of most sites here — it isn't itself a warning sign.
When was tsp.gov registered?
tsp.gov's registration dates to Oct 2, 1997 (29 years old), per public registration records. get.gov is the registrar on record today.
Correct a description, link or other detail. Submissions are reviewed before publication.
Lifeline · tsp.gov over time
Checked in the last 30 daysOlder, dated recordFrom registration records
Registered 29 years ago · on AboutUs since 2006 · 1 registrar change since Apr 29, 2024 · no registrant change on record since 2024 · last checked Nov 9, 2026.
Registration
RegisteredOct 2, 1997tsp.gov was registered on Oct 2, 1997.Source: RDAP, fetched Nov 9, 2026
AboutUs record
AboutUs wiki pageAboutUs wiki pageOct 22, 2006 – Nov 8, 2013An AboutUs wiki page described tsp.gov from Oct 22, 2006 to Nov 8, 2013 (3 edits).Source: AboutUs wiki archive, 2006–2023Said about itself in 2006
Registrar
Cybersecurity and Infrastructure Security AgencyApr 29, 2024 – Oct 2, 2024Registrar Cybersecurity and Infrastructure Security Agency in the WHOIS and RDAP records held for tsp.gov, from Apr 29, 2024 to Oct 2, 2024.Source: WHOIS / RDAP archive (who.is)get.gov
Registrant
Registrant recordsApr 29, 2024 – Apr 29, 2026Registration records for tsp.gov are held from Apr 29, 2024 to Apr 29, 2026 (24 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, 2024–2026
Zone file
Nameservers: usdoj.govApr 29, 2024 – Jul 13, 2024Registration records listed usdoj.gov nameservers (ns-jdcw-01.usdoj.gov, ns-jdcw-02.usdoj.gov) for tsp.gov from Apr 29, 2024 to Jul 13, 2024.Source: From registration records (WHOIS / RDAP archive, who.is)
Certificate
DigiCert IncDigiCert IncAug 5, 2025 – Nov 15, 2026DigiCert Inc issued 42 certificates for tsp.gov from Aug 5, 2025, the latest valid until May 12, 2027. The check on Nov 4, 2026 saw it, expired Nov 13, 2026.Source: Certificate Transparency logs (AboutUs's own certificate-log reader); TLS check, Nov 4, 2026
200020102020Jan ’26Oct ’26← last 12 months, drawn wider
Every dated fact on this lifeline (14)
Oct 2, 1997Registration: tsp.gov was registered on Oct 2, 1997.Source: RDAP, fetched Nov 9, 2026
Jul 1, 2006AboutUs record: “The Thrift Savings Plan (TSP) is a defined contribution retirement savings plan for Federal employees. In this site, you can find answers to most questions about the TSP, check rates of return, get current information, …”Source: AboutUs wiki archive, 2006
Oct 22, 2006 – Nov 8, 2013AboutUs record: An AboutUs wiki page described tsp.gov from Oct 22, 2006 to Nov 8, 2013 (3 edits).Source: AboutUs wiki archive, 2006–2023
Apr 29, 2024 – Oct 2, 2024Registrar: Registrar Cybersecurity and Infrastructure Security Agency in the WHOIS and RDAP records held for tsp.gov, from Apr 29, 2024 to Oct 2, 2024.Source: WHOIS / RDAP archive (who.is)
Apr 29, 2024 – Apr 29, 2026Registrant: Registration records for tsp.gov are held from Apr 29, 2024 to Apr 29, 2026 (24 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
Jul 1, 2006
“The Thrift Savings Plan (TSP) is a defined contribution retirement savings plan for Federal employees. In this site, you can find answers to most questions about the TSP, check rates of return, get current information, …”
Source: AboutUs wiki archive, 2006
Current AboutUs recordJun 30, 2026 – Nov 9, 2026 (latest)Authority and Safety last refreshed Nov 9, 2026.Source: AboutUs checks
get.gov
Nov 29, 2024 – Nov 10, 2026 (latest)
Registrar get.gov (IANA 8888888) in the registration data recorded, first on Nov 29, 2024 and most recently on Nov 10, 2026.
Source: RDAP, fetched Nov 9, 2026
Nameservers: Cloudflare
Oct 2, 2024 – Apr 29, 2026
Registration records listed Cloudflare nameservers (jonah.ns.cloudflare.com, novalee.ns.cloudflare.com) for tsp.gov from Oct 2, 2024 to Apr 29, 2026.
Source: From registration records (WHOIS / RDAP archive, who.is)
DNS moved to CloudflareOct 2, 2024tsp.gov's nameservers moved from usdoj.gov to Cloudflare at some point between Jul 13, 2024 and Oct 2, 2024. Last seen at usdoj.gov: Jul 13, 2024 (registration record). First seen at Cloudflare: Oct 2, 2024 (registration record). AboutUs holds no nameserver records for the 3 months in between, so the date of the move is not known more closely.Source: Derived from the nameserver records on this lifeline (registration record → registration record)
Seen in the .gov zone fileJul 28, 2026 – Jul 29, 2026 (latest)First seen in the .gov zone file records AboutUs holds on Jul 28, 2026; latest sighting Jul 29, 2026.Source: ICANN CZDS zone file
Let's Encrypt
Apr 13, 2026 – Nov 15, 2026
Let's Encrypt issued 8 certificates for tsp.gov from Apr 13, 2026, the latest valid until Jan 18, 2027.
Source: Certificate Transparency logs (AboutUs's own certificate-log reader)
Google Trust ServicesApr 26, 2026 – Nov 15, 2026Google Trust Services issued 8 certificates for tsp.gov from Apr 26, 2026, the latest valid until Jan 18, 2027.Source: Certificate Transparency logs (AboutUs's own certificate-log reader)
Apr 29, 2024 – Jul 13, 2024
Zone file: Registration records listed usdoj.gov nameservers (ns-jdcw-01.usdoj.gov, ns-jdcw-02.usdoj.gov) for tsp.gov from Apr 29, 2024 to Jul 13, 2024.Source: From registration records (WHOIS / RDAP archive, who.is)
Oct 2, 2024 – Apr 29, 2026Zone file: Registration records listed Cloudflare nameservers (jonah.ns.cloudflare.com, novalee.ns.cloudflare.com) for tsp.gov from Oct 2, 2024 to Apr 29, 2026.Source: From registration records (WHOIS / RDAP archive, who.is)
Oct 2, 2024Zone file: tsp.gov's nameservers moved from usdoj.gov to Cloudflare at some point between Jul 13, 2024 and Oct 2, 2024. Last seen at usdoj.gov: Jul 13, 2024 (registration record). First seen at Cloudflare: Oct 2, 2024 (registration record). AboutUs holds no nameserver records for the 3 months in between, so the date of the move is not known more closely.Source: Derived from the nameserver records on this lifeline (registration record → registration record)
Nov 29, 2024 – Nov 10, 2026Registrar: Registrar get.gov (IANA 8888888) in the registration data recorded, first on Nov 29, 2024 and most recently on Nov 10, 2026.Source: RDAP, fetched Nov 9, 2026
Aug 5, 2025 – Nov 15, 2026Certificate: DigiCert Inc issued 42 certificates for tsp.gov from Aug 5, 2025, the latest valid until May 12, 2027. The check on Nov 4, 2026 saw it, expired Nov 13, 2026.Source: Certificate Transparency logs (AboutUs's own certificate-log reader); TLS check, Nov 4, 2026
Apr 13, 2026 – Nov 15, 2026Certificate: Let's Encrypt issued 8 certificates for tsp.gov from Apr 13, 2026, the latest valid until Jan 18, 2027.Source: Certificate Transparency logs (AboutUs's own certificate-log reader)
Apr 26, 2026 – Nov 15, 2026Certificate: Google Trust Services issued 8 certificates for tsp.gov from Apr 26, 2026, the latest valid until Jan 18, 2027.Source: Certificate Transparency logs (AboutUs's own certificate-log reader)
Jun 30, 2026 – Nov 9, 2026AboutUs record: Authority and Safety last refreshed Nov 9, 2026.Source: AboutUs checks
Jul 28, 2026 – Jul 29, 2026Zone file: First seen in the .gov zone file records AboutUs holds on Jul 28, 2026; latest sighting Jul 29, 2026.Source: ICANN CZDS zone file
3 of 4 safety checks passed (Nov 15, 2026).
Registered 1997 · site answered with HTTP 403
The Thrift Savings Plan (TSP) is a defined contribution retirement savings plan for Federal employees. The site provides account access, rates of return, forms, calculators for retirement projections, and tools to search for lost participants and manage loans or withdrawals.
Make sure the site responds over HTTPS with a valid certificate.
Page metadata (passed)
Security headers (passed)
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 Oct 2, 1997 — 29 years old.
latest result
Registrar on record: get.gov — unchanged since AboutUs began tracking (Aug 2, 2026).
Authority 72/100— ahead of 72% of the August 2026 scored sampleClear
Why this authority score
72 is a percentile: higher than 72% of sites we score.
How it's calculated
Prominence (Tranco rank #42,357)+6
Verified continuity: 29.1 years (RDAP registration)+11
Security & email hygiene+5
Calibration adjustment (published map)+14
Model score: 36/99 — what these reason lines add up to.
Published Authority (percentile): 72/100 — this site's rank against the August 2026 scored sample. Public Authority is capped at 99.
Safety evidence
No unexpired threat-feed result; name-similarity check available (recorded about 5 days ago); 3/3 transport and email checks available (oldest recorded about 5 days ago). This is evidence coverage, not a probability that a website is safe.
What tsp.gov 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
The Thrift Savings Plan (TSP) is a defined contribution retirement savings plan for Federal employees. In this site, you can find answers to most questions about the TSP, check rates of return, get current information, download forms and publications, search for lost participants, and retrieve information about your TSP account.
Site history
Dated record — historical facts always carry their date; self-description below is the 2013 record.
1997
Domain registered (Oct 2, 1997).
2006
First tracked by AboutUs (Oct 22, 2006); profile edited 3 times through 2013.
2013
Self-description at the time:
“TSP.gov has an annuity calculator that takes everything into account”