indexo.dev

calendbook.com

.com crawl

First seen 2026-04-15 · Last seen 2026-05-07 · ok HTTP/1.1 200 831 ms crawled 2026-05-10

US · 13.33.235.15 · AS16509 Amazon.com, Inc.

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

Technology

CDN
Amazon CloudFront
Server
AmazonS3
CMS
Nuxt

Registration

Registrar
NameCheap, Inc.
Created
2019-08-14
Expires
2026-08-14 86 days left
Updated
2025-07-15
Name servers
  • ns-1431.awsdns-50.org
  • ns-1874.awsdns-42.co.uk
  • ns-4.awsdns-00.com
  • ns-992.awsdns-60.net

DNS records live

NS
  • ns-1431.awsdns-50.org
  • ns-1874.awsdns-42.co.uk
  • ns-4.awsdns-00.com
  • ns-992.awsdns-60.net
MX
  • 1 aspmx.l.google.com
  • 10 alt3.aspmx.l.google.com
  • 10 alt4.aspmx.l.google.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com
TXT
Show 5 TXT records
  • stripe-verification=8b139a253685e9c6ac85231b67dd85ab9f8df2a78f74bd7da2dba41a9c1905d9
  • facebook-domain-verification=k6mmacngom2dwpmbdjl6bammotbbrn
  • google-site-verification=T17zXExopdHlbFvSauRBJuX-mHngGXA8ilAi_AfnEP8
  • hubspot-developer-verification=NjBhMGUwNDEtMTBkNi00MGFlLWE1ZjYtNWJmZTNiMmNiYzA4
  • paddle-verification=4413657f

Email authentication weak

SPF
not published
DMARC
v=DMARC1;p=none;
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current)

Amazon RSA 2048 M01
from 2026-03-11 to 2026-09-25
Expires in 128 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Linked from (1)