calcme.com

.com crawl

First seen 2026-04-15 · Last seen 2026-05-17 · ok HTTP/1.1 200 881 ms crawled 2026-05-11

US · 3.164.68.104 · AS16509 Amazon.com, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
CalcMe | WIRIS
Description
With CalcMe you can perform and graphically visualize your mathematical calculations online. Handwrite your geometric objects and functions, and much more!

Technology

CDN
Amazon CloudFront
Server
WIRIS
Analytics
  • Google Tag Manager
Cookie consent
  • OneTrust

Third-party hosts loaded (2)

  • cdn.cookielaw.org×1
  • www.googletagmanager.com×1

Registration

Registrar
Amazon Registrar, Inc.
Created
2010-11-18
Expires
2027-11-18 547 days left
Updated
2026-02-20
Name servers
  • ns-1015.awsdns-62.net
  • ns-1699.awsdns-20.co.uk

DNS records live

NS
  • ns-1015.awsdns-62.net
  • ns-1290.awsdns-33.org
  • ns-1699.awsdns-20.co.uk
  • ns-98.awsdns-12.com
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
  • google-site-verification=nbwuDmDEqlulz1WJKRCJZbgDSi6Wz5E73QPHcf7c_iw

Email authentication weak

SPF
not published
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

Amazon RSA 2048 M01
from 2025-09-16 to 2026-10-15
Expires in 148 days

HTTP security headers

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

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

Linked from (2)