technical-writing-training-and-certification.com

HTML metadata

Technology

Server

nginx

Registration

Registrar

united-domains GmbH

Created

2013-09-05

Expires

2026-09-05 108 days left

Updated

2026-03-21

Name servers

• ns.udag.de
• ns.udag.net
• ns.udag.org

DNS records live

NS

• ns.udag.de
• ns.udag.net
• ns.udag.org

MX

• 10 mail.technical-writing-training-and-certification.com

TXT

• v=DKIM1;k=rsa;p=YqKyITDkfFEeBga5+nK5WZDLABs7owpKhXscIZOFqzZuxD/w922JdKrZw86ajufSMao6z5hayFkcHwt5P07iOFEl431NQxMv3+wOPTrjVdz3MSs5Y/WYIizQ1oXt58yhEpUdw7t376m5qIesfwq5QVMWPgitMjtuHhVKxfVE9bs=

Email authentication partial

SPF

v=spf1 a:training.technical-writing-training-and-certification.com include:_spf.google.com ~all

softfail (~all)

DMARC

v=DMARC1;p=none

policy: none (monitoring only)

DKIM

no key found at common selectors

HTTP security headers

Header hygiene 35/100 Checked over plain HTTP: http://technical-writing-training-and-certification.com/

findings

• checked over plain HTTP
• missing Content Security Policy
• missing frame protection
• missing content type protection
• missing Referrer Policy
• missing Permissions Policy

Links to (2)

• nginx.com×2
• nginx.org×2

Linked from (5)

• evolution-of-tc.com×2
• technical-communication.org×2
• tcworld.info×2
• tc-train.net×1
• tekom.eu×1