ctan.org

Ctan.org The Comprehensive TeX Archive Network

The Comprehensive TeX Archive Network is a set of fully-mirrored ftp sites providing the most complete, up-to-date TeX-related software possible.

Authority

75/100

Safety

90/100

Known risk signals, not a check pass rate

Registered

Mar 11, 1998

28 years old · DNC Holdings, Inc.

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3 of 4 safety checks passed (Oct 1, 2026).

DNS

HTTPS

Page metadata

Security headers— 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.

Authority & Safety, with the evidence

How this is scored →

Authority 75/100 — ahead of 75% of the August 2026 scored sampleClear

Why this authority score

75 is a percentile: higher than 75% of sites we score.

How it's calculated

Prominence (Tranco rank #12,508)+8
Verified continuity: 28.6 years (RDAP registration)+11
Security & email hygiene+3
Calibration adjustment (published map)+16

Model score: 38/99 — what these reason lines add up to.

Published Authority (percentile): 75/100 — 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 41 days ago); 3/3 transport and email checks available (oldest recorded about 41 days ago). This is evidence coverage, not a probability that a website is safe.

Site history

Dated record — historical facts always carry their date; self-description below is the 2013 record.

1998
Domain registered (Mar 11, 1998).
2006
First tracked by AboutUs (Jun 19, 2006); profile edited 3 times through 2013.
2013
Self-description at the time:
“Ctan.org The Comprehensive TeX Archive Network”
2026
Checked today — 3 of 4 safety checks passed (Oct 1, 2026).

✓ domain continuity 28 years registered✓ live verified Oct 1, 2026

Common questions

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