grimmelmann.net

.net crawl

First seen 2026-04-13 · Last seen 2026-05-13 · ok HTTP/1.1 200 1220 ms crawled 2026-05-07

US · 65.99.230.28 · AS17378 TierPoint, LLC

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

Technology

Server: Apache

Registration

Registrar

Gandi SAS

Created

2005-02-16

Expires

2029-02-16 1004 days left

Updated

2025-12-27

Name servers

ns1.messagingengine.com
ns2.messagingengine.com

DNS records live

NS

ns1.messagingengine.com
ns2.messagingengine.com

MX

10 in1-smtp.messagingengine.com
20 in2-smtp.messagingengine.com

Email authentication strong

SPF: v=spf1 include:spf.messagingengine.com ?all
neutral (?all)
DMARC: v=DMARC1; p=none;
policy: none (monitoring only)
DKIM: no key found at common selectors

Certificate (current)

R12

from 2026-03-13 to 2026-06-11

Expires in 23 days

Full certificate history on crt.sh ↗

HTTP security headers

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

findings

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

Linked from (3)