indexo.dev

tumblebooks.com

.com crawl

First seen 2026-05-12 · Last seen 2026-05-12 · ok HTTP/1.1 200 9764 ms crawled 2026-05-18

CA · 209.15.205.70 · AS13768 Aptum Technologies

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
Tumblebooks - Read Watch Learn!
Description
Tumblebooks - Read, Watch, and Learn with the this collection of eBooks, read-along, music, memory and language games, graphic novels, and more.

Technology

Server
Microsoft-IIS
Analytics
  • Google Tag Manager

Third-party hosts loaded (1)

  • www.googletagmanager.com×1

Registration

Registrar
Network Solutions, LLC
Created
2000-06-20
Expires
2029-06-20 1127 days left
Updated
2026-04-21
Name servers
  • ns69.worldnic.com
  • ns70.worldnic.com

DNS records live

NS
  • ns69.worldnic.com
  • ns70.worldnic.com
MX
  • 10 mx1.emailsrvr.com
  • 20 mx2.emailsrvr.com

Email authentication partial

SPF
v=spf1 include:mailgun.org include:_spf.mailgun.org include:_spf.eu.mailgun.org ip4:141.193.32.0/23 ip4:159.135.140.80/29 ip4:159.135.132.128/25 ip4:161.38.204.0/22 ip4:87.253.232.0/21 ip4:185.189.236.0/22 ip4:185.211.120.0/22 ip4:185.250.236.0/22 ip4:143.55.236.0/22 ip4:198.244.60.0/22 ip4:209.61.151.0/24 ip4:166.78.68.0/22 ip4:198.61.254.0/23 ip4:192.237.158.0/23 ip4:23.253.182.0/23 ip4:104.130.96.0/28 ip4:146.20.113.0/24 ip4:146.20.191.0/24 ip4:159.135.224.0/20 ip4:69.72.32.0/20 ip4:104.130.122.0/23 ip4:146.20.112.0/26 ip4:161.38.192.0/20 ip4:143.55.224.0/21 ip4:143.55.232.0/22 ip4:159.112.240.0/20 ip4:198.244.48.0/20 include:emailsrvr.com ip4:108.166.43.0/24 ip4:146.20.86.8 ip4:146.20.161.0/25 ip4:161.47.34.7 ip4:173.203.187.0/25 ip4:184.106.54.0/25 ip4:204.232.172.40 ~all
softfail (~all)
DMARC
v=DMARC1;p=none;rua=mailto:31b9b7274d@rua.easydmarc.eu;ruf=mailto:31b9b7274d@ruf.easydmarc.eu;fo=1;
policy: none (monitoring only)
DKIM
  • k2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…
selectors probed

Certificate (current)

Thawte TLS RSA CA G1
from 2026-03-12 to 2026-09-27
Expires in 130 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://tumblebooks.com/

findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Links to (4)

Linked from (2)