ctan.org
CTAN: Comprehensive TeX Archive Network

Technical Rating

 XSS attack - not protected. HTTP header "X-XSS-Protection" not found

 User Interface redress attack - not protected. HTTP header "X-Frame-Options" not found

 HTTP request response - 200

 HTTPS request response - 200

 Redirect from HTTP to HTTPS

iHTTP redirect: https://ctan.org/

 Server response time 0,938 sec

 HTML load time 0,808 sec

iHTML length: 20556

 A link to a favicon is specified

iNumber of IMGs: 3

!The ALT attribute is not set for all IMGs

 Adapted for mobile devices. It uses the VIEWPORT tag

!W3C Validation. Number of HTML errors: 12

 W3C Validation. Number of HTML warnings: 4

 Uses robots.txt

!Doesn't use a sitemap

 DNS MX record is available. Anti-spam DMARC and ADSP records are available

Exact physical location of Ctan.org

iDE HEG Mass

Technical Information

iServer: Apache/2.4.25 (Debian)

iCtan.org created 26 year(s) 11 month(s) 25 day(s) ago (1998-03-11)

iRegistration period ends in 15 day(s) (2025-03-10)

iCtan.org is registered in the DNC HOLDINGS, INC.

iCtan.org registered to TeX Users Group

iСontacts: [email protected]

iNameservers: COMEDY.DANTE.DE,   NS1.TUG.ORG,   NS2.TUG.ORG

iIPv4: 5.35.249.60

iDNS TXT Records: "google-site-verification=9S_RyjfPcn9W3kYwDDrU7BswRhDytfyD4R_736raDso"
"v=spf1 mx ~all"

iDNS Mail Records: 10 comedy.dante.de.

iDMARC Mail Anti Spam Records: 5.35.249.60

iAuthor Domain Signing Practices Mail Records: 5.35.249.60

iRaw DNS Information

A: 5.35.249.60

TXT: "google-site-verification=9S_RyjfPcn9W3kYwDDrU7BswRhDytfyD4R_736raDso"
TXT: "v=spf1 mx ~all"

MX: 10 comedy.dante.de.

DMARC: 5.35.249.60

ADSP: 5.35.249.60

The popularity of the site

iHow many links to Ctan.org on the Internet: 14835