indexo.dev

calclab.com

.com crawl

First seen 2026-05-10 · Last seen 2026-05-10 · ok HTTP/1.1 200 3163 ms crawled 2026-05-16

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
c a l c l a b

Technology

Server
nginx

Third-party hosts loaded (2)

  • ajax.googleapis.com×1
  • yui.yahooapis.com×1

Registration

Registrar
CSL Computer Service Langenbach GmbH d/b/a joker.com
Created
2001-03-09
Expires
2035-03-09 3214 days left
Updated
2025-12-01
Name servers
  • x.ns.joker.com
  • y.ns.joker.com
  • z.ns.joker.com

DNS records live

NS
  • x.ns.joker.com
  • y.ns.joker.com
  • z.ns.joker.com

Email authentication strong

SPF
v=spf1 a mx ip4:78.47.191.174 ~all
softfail (~all)
DMARC
v=DMARC1; p=quarantine
policy: quarantine
DKIM
  • dkim: v=DKIM1;k=rsa;t=s;s=email;p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwCWS9SDnws5tIbUyza5RSexyBqGqXMlroQ76Js8gvQ8UbQJm65UiTu2bjY+m1J9Vjnnv…
selectors probed

Certificate (current)

R12
from 2026-04-07 to 2026-07-06
Expires in 46 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://calclab.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 (1)