indexo.dev

calculator.net

.net toplist crawl

First seen 2026-04-11 · Last seen 2026-05-18 · ok HTTP/1.1 200 1199 ms crawled 2026-05-18

US · 69.10.42.201 · AS19318 Interserver, Inc

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Calculator.net: Free Online Calculators - Math, Fitness, Finance, Science
Description
Online calculator for quick calculations, along with a large collection of calculators on math, finance, fitness, and more, each with in-depth information.
Language
en

Technology

Server
Apache

Third-party hosts loaded (1)

  • d26tpo4cm8sb6k.cloudfront.net×11

Registration

Registrar
GoDaddy.com, LLC
Created
1998-07-07
Expires
2026-11-01 166 days left
Updated
2023-10-04
Name servers
  • pdns13.domaincontrol.com
  • pdns14.domaincontrol.com

DNS records live

NS
  • pdns13.domaincontrol.com
  • pdns14.domaincontrol.com
MX
  • 0 smtp.secureserver.net
  • 10 mailstore1.secureserver.net

Email authentication weak

SPF
v=spf1 ip4:69.10.42.201 include:_spf.google.com ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

Go Daddy Secure Certificate Authority - G2
from 2025-08-06 to 2026-09-07
Expires in 111 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.calculator.net/

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

Linked from (6)