indexo.dev

3isi.com

.com dns

First seen 2026-05-05 · Last seen 2026-05-18 · ok HTTP/1.1 200 491 ms crawled 2026-05-12

ES · 89.248.106.183 · AS48348 Cloud Builders SA

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title
3isi, s.l.u. - Internet Sistemas Informatica - Ciudad Rodrigo
Language
en

Technology

Server
nginx

Registration

Registrar
Interdominios, Inc.
Created
2009-02-16
Expires
2027-02-16 271 days left
Updated
2026-02-02
Name servers
  • dns1.interdominios.com
  • dns2.interdominios.com

DNS records live

NS
  • dns1.interdominios.com
  • dns2.interdominios.com
MX
  • 10 mail.3isi.com

Email authentication partial

SPF
v=spf1 a mx a:host.3isi.com ~all
softfail (~all)
DMARC
v=DMARC1; p=none
policy: none (monitoring only)
DKIM
  • default: v=DKIM1; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAw1XSZcLCtwcUdkLxmPaK6q2VV64EhyeGr3NS8N7XG91AZfwPJiEmK/bqam2sZ6k2F+O8+6FIISK52vGhvtXAm…
selectors probed

Certificate (current)

GlobalSign GCC R6 AlphaSSL CA 2025
from 2026-04-13 to 2026-10-29
Expires in 161 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://3isi.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=15768000; includeSubDomains