sintesis.com

.com crawl

First seen 2026-04-14 · Last seen 2026-05-08 · ok HTTP/1.1 200 444 ms crawled 2026-05-07

US · 76.76.21.21 · AS16509 Amazon.com, Inc.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title: Editorial Síntesis - Inicio
Language: es

Open Graph

url: https://www.sintesis.com/
title: Editorial Síntesis - Inicio
site name: Editorial Síntesis

Technology

CDN: Vercel
CMS: Next.js

Third-party hosts loaded (1)

dmc2vm44yioo9.cloudfront.net×48

Social

Contact

Email

sintesis@sintesis.com

Phone

34 91 593 20 98

Address

Calle Vallehermoso, 34 28015

Registration

Registrar

Network Solutions, LLC

Created

1997-02-14

Expires

2031-02-15 1733 days left

Updated

2025-12-10

Name servers

ns27.worldnic.com
ns28.worldnic.com

DNS records live

NS

ns27.worldnic.com
ns28.worldnic.com

MX

10 rcv.sintesis.com

Email authentication weak

SPF: v=spf1 mx:rcv.sintesis.com ip4:83.48.6.22 include:spf.mailjet.com -all
strict (-all)
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

R12

from 2026-04-27 to 2026-07-26

Expires in 68 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://www.sintesis.com/

present

strict-transport-security

findings

missing Content Security Policy
missing frame protection
missing content type protection
missing Referrer Policy
missing Permissions Policy

Header values

strict-transport-security: max-age=63072000