indexo.dev

grmbl.net

.net dns

First seen 2026-05-06 · Last seen 2026-05-06 · ok HTTP/1.1 200 901 ms crawled 2026-05-13

DE · 148.251.183.59 · AS24940 Hetzner Online GmbH

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
grmbl consulting
Language
en

Technology

Server
nginx

Contact

Email

Registration

Registrar
CSL Computer Service Langenbach GmbH d/b/a joker.com
Created
1999-02-07
Expires
2027-02-07 262 days left
Updated
2025-01-14
Name servers
  • x.ns.joker.com
  • y.ns.joker.com
  • z.ns.joker.com

DNS records live

NS
  • x.ns.joker.com
  • y.ns.joker.com
  • z.ns.joker.com
MX
  • 30 mail.grmbl.net
  • 50 agua.grmbl.net

Email authentication weak

SPF
v=spf1 mx a ~all
softfail (~all)
DMARC
not published
DKIM
  • mail: v=DKIM1; h=sha256; k=rsa; p=MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA1erU/J41K7lPKDwa+Jkk4RWncOBkV+9bP6JeDnhzMd+8f6leP5YGiUtv45/hDpZXojKU…
selectors probed

Certificate (current)

R12
from 2026-04-07 to 2026-07-06
Expires in 47 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://grmbl.net/

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