nsf.gov

#2DFFE814 · Very Safe
100 / 100
AssureTiger · nsf.gov — Report card
United States 128.150.221.244 Valid HTTPS 28.6 years get.gov Updated

nsf.gov Trust Review

nsf.gov is the official site of the National Science Foundation, a U.S. federal agency focused on research funding and STEM education. The domain shows long-standing registration, HTTPS with a valid certificate, and government registrar controls, all of which support a strong legitimacy signal.

Technical Information

IP Address
128.150.221.244
Server Location
United States
ISP / Provider
Unknown

SSL Certificate

SSL Certificate
Valid HTTPS
SSL Issuer
DigiCert Global G2 TLS RSA SHA256 2020 CA1
Valid Until
2027-01-19

Registrar

Registrar
get.gov
Registered On
1997-10-02
Expires On
2026-09-15
Domain Age
28.6 years

Technical Overview

The domain nsf.gov is reachable and resolves to United States via Unknown. Below we walk through the most relevant signals one by one.

Browser compatibility

Mainstream browsers will accept nsf.gov's TLS configuration if our probe returns "OK". The current value is: OK.

Maturity check

Maturity-wise, nsf.gov falls in the "mature" bracket — about 28.6 years on record. Most short-lived scams operate on domains under 12 months old, so age helps but does not exclude risk.

Routing & ISP

Traffic to nsf.gov currently terminates at Unknown in United States — visible to anyone running a traceroute. Hosting-country mismatches with the brand audience can be a useful signal.

Beyond the technical score

A clean technical profile only proves nsf.gov follows industry plumbing standards. It does NOT prove honest content. Always read the actual site before transacting.

Bottom line

nsf.gov ends up at 100/100 — that is very_safe in our scale. The result is computed from public technical data only, no human review.

Frequently Asked Questions

Is nsf.gov on a security blocklist?
No automatic blocklist hits were registered for nsf.gov during this check. Refresh the report to recheck.
Is nsf.gov a phishing website?
Our scanner does not perform visual similarity checks. We can only confirm that no obvious infrastructure markers (cert mismatch, fresh registration with high traffic) were triggered.
What looks risky about nsf.gov?
For nsf.gov we look at: age 28.6 yrs, SSL OK, registrar get.gov and hosting in United States. Any single weak point can drag the technical confidence down.
How often is nsf.gov re-checked?
By default the report is refreshed every 30 days, plus on every manual re-check from the dashboard.
Is the score enough to decide?
A high score is necessary but not sufficient. Always pair the report with a content-level sanity check before transacting.

What looks good

  • Stable name-servers across NS records
  • Properly configured DNS records
  • Has MX records (capable of email)
  • Domain age above the 1-year threshold

What to watch

  • Always verify content before transacting
  • No independent third-party reviews available
  • No SPF / DMARC records (email spoofing risk)

This report is generated automatically from public technical signals. It is not legal or financial advice.

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