kattis.com
Kattis

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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://www.kattis.com/

iHTTPS redirect: https://www.kattis.com/

 Server response time 0,965 sec

 HTML load time 0,796 sec

iHTML length: 24904

 A link to a favicon is specified

iNumber of IMGs: 23

!The ALT attribute is not set for all IMGs

 Adapted for mobile devices. It uses the VIEWPORT tag

 W3C Validation. Number of HTML errors: 4

 W3C Validation. Number of HTML warnings: 7

!Doesn't use robots.txt

!Doesn't use a sitemap

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

Exact physical location of Kattis.com

iUS San Francisco 101 Townsend Street

101, Townsend Street, South Beach, San Francisco, San Francisco City and County, San Francisco, California, 94017, United States

Technical Information

iServer: cloudflare

iKattis.com created 22 year(s) 9 month(s) 9 day(s) ago (2002-05-24)

iRegistration period ends in (2022-05-24)

iKattis.com is registered in the CLOUDFLARE, INC.

iKattis.com registered to DATA REDACTED

iСontacts: https://domaincontact.cloudflareregistrar.com/kattis.com

iNameservers: dee.ns.cloudflare.com,   kip.ns.cloudflare.com

iIPv4: 104.26.12.234,   104.26.13.234,   172.67.75.95

iIPv6: 2606:4700:20::681a:cea,   2606:4700:20::681a:dea,   2606:4700:20::ac43:4b5f

iDNS TXT Records: "v=spf1 include:kattis_com._es.easydmarc.com ~all"
"google-site-verification=3uTghJbNBqPTkNMsSs3dKwseC-UNlEx9vDJO9Q-q8aI"
"google-site-verification=vgE4j3_FQzQ5YX_jCSyfZRi9H89-vl6Ch5QJxzppw0c"

iDNS Mail Records: 1 aspmx.l.google.com.,   5 alt1.aspmx.l.google.com.,   5 alt2.aspmx.l.google.com.,   10 aspmx2.googlemail.com.,   10 aspmx3.googlemail.com.

iDMARC Mail Anti Spam Records: 172.67.75.95,   104.26.12.234,   104.26.13.234

iAuthor Domain Signing Practices Mail Records: 104.26.12.234,   172.67.75.95,   104.26.13.234

iDNS Certification Authority Authorization Records: 0 issue "comodoca.com",   0 issue "digicert.com",   0 issue "letsencrypt.org",   0 issuewild "comodoca.com",   0 issuewild "digicert.com",   0 issuewild "letsencrypt.org"

iRaw DNS Information

A: 104.26.12.234
A: 104.26.13.234
A: 172.67.75.95

AAAA: 2606:4700:20::681a:cea
AAAA: 2606:4700:20::681a:dea
AAAA: 2606:4700:20::ac43:4b5f

TXT: "v=spf1 include:kattis_com._es.easydmarc.com ~all"
TXT: "google-site-verification=3uTghJbNBqPTkNMsSs3dKwseC-UNlEx9vDJO9Q-q8aI"
TXT: "google-site-verification=vgE4j3_FQzQ5YX_jCSyfZRi9H89-vl6Ch5QJxzppw0c"

MX: 1 aspmx.l.google.com.
MX: 5 alt1.aspmx.l.google.com.
MX: 5 alt2.aspmx.l.google.com.
MX: 10 aspmx2.googlemail.com.
MX: 10 aspmx3.googlemail.com.

DMARC: 172.67.75.95
DMARC: 104.26.12.234
DMARC: 104.26.13.234

ADSP: 104.26.12.234
ADSP: 172.67.75.95
ADSP: 104.26.13.234
CAA: 0 issue "comodoca.com"
CAA: 0 issue "digicert.com"
CAA: 0 issue "letsencrypt.org"
CAA: 0 issuewild "comodoca.com"
CAA: 0 issuewild "digicert.com"
CAA: 0 issuewild "letsencrypt.org"

The popularity of the site

iHow many links to Kattis.com on the Internet: 265