indexo.dev

understandingnano.com

.com crawl

First seen 2026-04-15 · Last seen 2026-05-10 · ok HTTP/1.1 200 4747 ms crawled 2026-05-10

DE · 92.113.16.174 · AS47583 Hostinger International Limited

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title
Understanding Nano

Technology

Server
hcdn
Analytics
  • Google Tag Manager
Ads
  • Google AdSense

Third-party hosts loaded (2)

  • pagead2.googlesyndication.com×1
  • www.googletagmanager.com×1

Registration

Registrar
Porkbun LLC
Created
2006-12-09
Expires
2026-12-09 202 days left
Updated
2025-10-26
Name servers
  • ns1.dns-parking.com
  • ns2.dns-parking.com

DNS records live

NS
  • ns1.dns-parking.com
  • ns2.dns-parking.com
MX
  • 10 mx2.hostinger.com
  • 5 mx1.hostinger.com

Email authentication partial

SPF
v=spf1 include:_spf.mail.hostinger.com include:relay.mailchannels.net ~all
softfail (~all)
DMARC
v=DMARC1; p=none
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-03-23 to 2026-06-21
Expires in 32 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://www.understandingnano.com/

present
  • content-security-policy
findings
  • missing HSTS
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
content-security-policy
upgrade-insecure-requests

Linked from (1)