otzo.com

Otzo.com

Otzo.com provides free dynamic DNS domains that allow users to register a custom domain name and activate it within minutes. The service is designed for individuals and organizations that need reliable domain name services. The company is based in San Marcos, California and operates under ChangeIP.com.

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Authority

69/100

Safety

89/100

Registered

May 26, 2001

25 years old · PDR Ltd. d/b/a PublicDomainRegistry.com

On record

since 2007

1 of 2 safety checks passed (Sep 18, 2026).

AboutUs has not vetted this site. 1 of 2 automated safety check did not pass. 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.

Authority & Safety, with the evidence

How this is scored →

Authority 69/100 — ahead of 69% of the August 2026 scored sampleSome caution flags

Why this authority score

Prominence (Tranco rank #16,376)+9
Verified continuity: 25.3 years (RDAP registration)+11
Security & email hygiene+1
Calibration adjustment (published map)+14

These lines explain the underlying model score of 35/99, which is what places this site at 69/100 using the August 2026 scored sample. Public Authority is capped at 99.

Safety evidence

No unexpired threat-feed result; name-similarity check available (recorded about 28 days ago); 3/3 transport and email checks available (oldest recorded about 28 days ago). This is evidence coverage, not a probability that a website is safe.

Recorded HTTPS check did not confirm a valid connection
No MX and no DMARC (mild)

Site history

Dated record — historical facts always carry their date.

2001
Domain registered (May 26, 2001).
2007
First tracked by AboutUs (Mar 15, 2007); profile edited 2 times through 2013.
2026
Checked today — 1 of 2 safety checks passed (Sep 18, 2026).

✓ domain continuity 25 years registered✓ live verified Sep 18, 2026

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