seisystems.com

.com crawl dns

First seen 2026-04-22 · Last seen 2026-05-19 · ok HTTP/1.1 200 2369 ms crawled 2026-05-16

US · 172.67.188.243 · AS13335 Cloudflare, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title: SEI NAVICA | Welcome
Language: en

Technology

CDN: Cloudflare

Social

Registration

Registrar

Network Solutions, LLC

Created

1996-11-06

Expires

2030-11-05 1630 days left

Updated

2025-10-06

Name servers

damiete.ns.cloudflare.com
natasha.ns.cloudflare.com

DNS records live

NS

damiete.ns.cloudflare.com
natasha.ns.cloudflare.com

MX

5 seisystems-com.mail.eo.outlook.com

TXT

MS=ms64215392
8782n0u8ogddim6r8j90s6c5am

Email authentication weak

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

Certificate (current)

WE1

from 2026-05-02 to 2026-07-31

Expires in 72 days

Full certificate history on crt.sh ↗

HTTP security headers

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

findings

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