Is offerup.com legit?

75
/ 100
Mostly Safe
Industry: Marketplace

OfferUp.com appears to be a mostly safe platform for online transactions, boasting robust security and a long domain history, but key transparency elements like contact information are missing. The website also returned an HTTP 403 error during testing, which directly impacts usability.

Marketplace average: 74/100 · based on 15 sites

Checked: April 18, 2026 at 8:17 AM UTC · Refresh

Is offerup.com a scam? Here's what we found.

Security 90/100

The site has a strong security posture with a valid SSL certificate from a trusted issuer, uses the modern TLS 1.3 protocol, enforces HTTPS via HSTS, and has clickjacking protection. Google Web Risk found no detected threats.

Identity 95/100

With a domain age of nearly 24 years, this site demonstrates significant longevity, which is a strong indicator of an established and recognizable brand. The domain registrar is publicly visible, further enhancing trust.

Reputation 80/100

The global traffic rank is moderate, indicating a reasonably active platform. Despite no Trustpilot profile, the site is not listed on any DNS blacklists, which is a positive sign for its overall standing.

Transparency 60/100

While legal pages are present, the absence of easily accessible contact information and social media links on the homepage makes it difficult for users to connect with the company or address issues directly.

Compliance 90/100

The presence of both a privacy policy and terms of service pages demonstrates a commitment to legal compliance and user data protection, which is essential for any platform handling personal information.

Infrastructure 70/100

The underlying infrastructure appears solid with DNSSEC in place, strong email authentication (SPF and DMARC), and Cloudflare serving the content. However, the site returned an HTTP 403 error during the check, which is a critical flaw that needs attention, suggesting the site might be offline or undergoing maintenance at the moment of testing.

Signals Detected

[+]
Tranco Rank: Rank #17737

This site has moderate global traffic

[?]
Structured Data: None found

No structured data markup found

[?]
Trustpilot: No Trustpilot profile

This business has no Trustpilot presence — not unusual for smaller or newer companies

[+]
SSL Certificate: Valid

Valid certificate, expires in 66 days

[?]
Certificate Issuer: Google Trust Services

Certificate issued by Google Trust Services

[+]
TLS Version: TLS 1.3

Connection uses TLS 1.3

[+]
Domain Age: 23 years, 10 months

Domain created 2002-09-24T07:52:22Z (23 years, 10 months ago)

[?]
Registrar: GoDaddy Corporate Domains, LLC

Registered through GoDaddy Corporate Domains, LLC

[+]
Domain Expiry: 2026-09-25T07:53:42Z

Expires in 159 days

[+]
DNSSEC: signedDelegation

DNSSEC status from WHOIS

[~]
Branding: Missing

No favicon found — unusual for an established business

[?]
robots.txt: Not found

No robots.txt file — common for small sites

[+]
HSTS Header: Present

Site enforces HTTPS via HSTS

[+]
Clickjacking Protection: Present

X-Frame-Options: SAMEORIGIN

[?]
Server: cloudflare

Web server: cloudflare

[+]
Google Web Risk: Clean

No threats detected by Google Web Risk

[+]
DNS Resolution: 2 IP(s)

Resolves to: 104.18.35.135, 172.64.152.121

[+]
Email (MX Records): 2 record(s)

Mail servers: us-smtp-inbound-1.mimecast.com., us-smtp-inbound-2.mimecast.com.

[+]
SPF Record: Present

Domain has SPF email authentication configured

[+]
DMARC Record: Present

Domain has DMARC email authentication configured

[+]
Name Servers: 2 server(s)

DNS providers: jobs.ns.cloudflare.com., alice.ns.cloudflare.com.

[?]
Sitemap: Not found

No sitemap found — common for smaller sites

[+]
DNS Blacklists: Clean

Not found on any DNS blacklists

[~]
Website Status: HTTP 403

Website returned status 403

[~]
Contact Info: Not found

No obvious contact information found on homepage

[+]
Legal Pages: Privacy & Terms found

Website has both privacy policy and terms of service pages

[~]
Social Media Presence: None found

No social media links found on homepage

[?]
Web Archive: Unable to check

Could not query Wayback Machine

[?]
Certificate Transparency: Unable to check

Could not query certificate transparency logs

[+]
Page Load Time: 67ms

Fast page load

Embed This Badge

Own this site? Show visitors your trust score.

Trust badge for offerup.com
<a href="https://verified.fyi/review/offerup.com"><img src="https://verified.fyi/badge/offerup.com?size=medium&style=full&theme=dark" alt="offerup.com trust score — verified.fyi" /></a>
[![offerup.com trust score](https://verified.fyi/badge/offerup.com?size=medium&style=full&theme=dark)](https://verified.fyi/review/offerup.com)

Stay Safe Online

Good habits to protect yourself, no matter the scan result.

Use a password manager

Never reuse passwords across sites.

Enable two-factor authentication

Add a second layer of security to your accounts.

Check before you buy

Always verify unfamiliar stores before entering payment info.

OfferUp.com operates as a prominent online marketplace for local buying and selling, essentially connecting individuals for peer-to-peer transactions. When you're considering using such a platform, key questions arise about its legitimacy and how well it protects its users. From a security standpoint, OfferUp.com demonstrates robust practices. It uses modern encryption and security headers, which are standard for any credible e-commerce or marketplace platform handling user data and financial transactions. This aligns with what you'd expect from a site facilitating exchanges between strangers – ensuring your connection to the site is secure. Similarly, the domain's nearly 24-year history is a significant trust signal. Most fly-by-night operations don't maintain a web presence for this long; this duration suggests a well-established entity. However, a truly trustworthy marketplace goes beyond technical security. A significant concern here is the lack of easily visible contact information and social media links on the homepage. For a platform where users are frequently interacting and potentially facing issues (like disputes over purchases or technical difficulties), accessible customer support is paramount. While they do have a privacy policy and terms of service – which is good – the difficulty in finding direct contact avenues can be frustrating for users. Furthermore, the website returned an HTTP 403 error during our check, which means access was forbidden. This could be a temporary issue with our check or indicate a problem with the site's availability, which is a direct impediment to its functionality and user trust. When using any marketplace, always prioritize platforms that offer clear communication channels and appear fully operational.