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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://libribook.com/

Server response time 0,682 sec

HTML load time 0,615 sec

iHTML length: 54956

A link to a favicon is specified

iNumber of IMGs: 48

The ALT attribute is set for all IMGs

Adapted for mobile devices. It uses the VIEWPORT tag

Uses robots.txt

Uses sitemap

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

Exact physical location of Libribook.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

iLibribook.com created 24 year(s) 1 month(s) 23 day(s) ago (2001-01-06)

iRegistration period ends in (2022-01-06)

iLibribook.com is registered in the GODADDY.COM, LLC

iСontacts: Select Contact Domain Holder link at https://www.godaddy.com/whois/results.aspx?domain=libribook.com

iNameservers: EMMA.NS.CLOUDFLARE.COM, JOSH.NS.CLOUDFLARE.COM

iIPv4: 104.21.45.234, 172.67.220.17

iIPv6: 2606:4700:3031::ac43:dc11, 2606:4700:3030::6815:2dea

iDNS TXT Records: "google-site-verification=mrQWCEqS-xo3N_5tDVpl-f8dIri5jSEYATiHb8ridcY"

iDNS Mail Records: 1 \@libribook.com.

iDMARC Mail Anti Spam Records: 172.67.220.17, 104.21.45.234

iAuthor Domain Signing Practices Mail Records: 104.21.45.234, 172.67.220.17

iDNS Certification Authority Authorization Records: 0 issue "digicert.com; cansignhttpexchanges=yes", 0 issuewild "digicert.com; cansignhttpexchanges=yes", 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: 104.21.45.234
A: 172.67.220.17

AAAA: 2606:4700:3031::ac43:dc11
AAAA: 2606:4700:3030::6815:2dea

TXT: "google-site-verification=mrQWCEqS-xo3N_5tDVpl-f8dIri5jSEYATiHb8ridcY"

MX: 1 \@libribook.com.

DMARC: 172.67.220.17
DMARC: 104.21.45.234

ADSP: 104.21.45.234
ADSP: 172.67.220.17
CAA: 0 issue "digicert.com; cansignhttpexchanges=yes"
CAA: 0 issuewild "digicert.com; cansignhttpexchanges=yes"
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"