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margaridacarvalho.org

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First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 249 ms crawled 2026-05-20

DE · 178.162.198.197 · AS28753 Leaseweb Deutschland GmbH

Reputation 95/100 weak security headers

sector tech type homepage

HTML metadata

Title
Margarida Carvalho
Description
Mathematician having fun with mixed integer programming, algorithmic game theory and computational complexity
Language
en

Technology

Server
nginx
Analytics
  • Google Tag Manager

Third-party hosts loaded (1)

  • www.googletagmanager.com×1

Social

Registration

Registrar
OVH sas
Created
2012-12-20
Expires
2026-12-20 214 days left
Updated
2025-12-28
Name servers
  • dns110.ovh.net
  • ns110.ovh.net

DNS records live

NS
  • dns110.ovh.net
  • ns110.ovh.net
MX
  • 10 aspmx1.migadu.com
  • 20 aspmx2.migadu.com
TXT
  • hosted-email-verify=j5qved65

Email authentication strong

SPF
v=spf1 a mx include:spf.migadu.com -all
strict (-all)
DMARC
v=DMARC1; p=reject;
policy: reject (enforced)
DKIM
  • default: v=DKIM1; k=rsa; s=email; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDMfqKQrX620sQ8J/4mtgywjgkcT4gdwJexhsAQIDrdDGz/oCXTgbsPMzPXdqjjA4gcykFZRO2OG…
selectors probed

Certificate (current)

R13
from 2026-04-15 to 2026-07-14
Expires in 55 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://margaridacarvalho.org/

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

Links to (7)

Linked from (1)