grupoduo.net

.net dns

First seen 2026-05-04 · Last seen 2026-05-19 · pending HTTP 403 crawled 2026-05-16 2 attempts

ES · 89.17.204.80 · AS16371 acens Technologies, S.L.

Reputation 67/100 wrong cert no dmarc policy

Classifying

via Internet Archive Data from 2026-03-16 — live crawl blocked by site

HTML metadata

Title
One moment, please...
Language
en

Registration

Registrar
Entorno Digital, S.A.
Created
2008-07-29
Expires
2026-07-29 69 days left
Updated
2026-04-29
Name servers
  • ns5.grupoduo.net
  • ns6.grupoduo.net

DNS records live

NS
  • ns5.grupoduo.net
  • ns6.grupoduo.net
MX
  • 0 mx00.dns-servicios.com
  • 0 mx01.dns-servicios.com

Email authentication weak

SPF
v=spf1 mx a ip4:89.17.204.80 ip4:89.17.204.220 ip4:89.17.204.215 ip4:89.17.204.213 -all
strict (-all)
DMARC
not published
DKIM
  • default: v=DKIM1; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC1AW1U3nPdgTPvXQ1xJbUPE7PQzvO58Uk6eKfkPSdeBcE7N8Qic2/uaPtMVHzwU8gBhCwSQHeqT83qkAbVjwlXR8QSo…
selectors probed

Certificate (current) wrong cert

Sectigo RSA Domain Validation Secure Server CA
from 2019-09-04 to 2020-09-04
Expired 2085 days ago