indexo.dev

pcalc.com

.com crawl

First seen 2026-04-11 · Last seen 2026-05-18 · ok HTTP/1.1 200 1140 ms crawled 2026-05-18

US · 216.92.74.41 · AS7859 pair Networks

Reputation 87/100 weak security headers no dmarc policy

sector tech type homepage

HTML metadata

Title
PCalc

Technology

Server
Apache

Third-party hosts loaded (2)

  • s3.amazonaws.com×6
  • pcalc.s3.amazonaws.com×2

Social

Registration

Registrar
Easyspace Limited
Created
2000-09-04
Expires
2026-09-04 107 days left
Updated
2025-11-28
Name servers
  • dns.pair.com
  • ns0.ns0.com

DNS records live

NS
  • dns.pair.com
  • ns0.ns0.com
MX
  • 10 in1-smtp.messagingengine.com
  • 25 in2-smtp.messagingengine.com

Email authentication weak

SPF
v=spf1 include:spf.messagingengine.com ?all
neutral (?all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-04-20 to 2026-07-19
Expires in 61 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (1)

Linked from (3)