teacher-tech.net

.net dns

First seen 2026-05-13 · Last seen 2026-05-13 · ok HTTP/1.1 200 437 ms crawled 2026-05-19

US · 104.21.87.49 · AS13335 Cloudflare, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title: Coming Soon
Language: en

Technology

CDN: Cloudflare

Analytics

Cloudflare Insights

Third-party hosts loaded (1)

static.cloudflareinsights.com×1

Registration

Registrar

Cloudflare, Inc.

Created

2025-06-09

Expires

2026-06-09 19 days left

Updated

2025-06-10

Name servers

elle.ns.cloudflare.com
phil.ns.cloudflare.com

DNS records live

NS

elle.ns.cloudflare.com
phil.ns.cloudflare.com

Email authentication no MX

SPF

v=spf1 -all

strict (-all)

DMARC

v=DMARC1; p=reject; rua=mailto:6475c195d623406788258c3cd0183c6b@dmarc-reports.cloudflare.net

policy: reject (enforced)

DKIM

Show 12 DKIM selectors

default: v=DKIM1; p=
google: v=DKIM1; p=
selector1: v=DKIM1; p=
selector2: v=DKIM1; p=
k1: v=DKIM1; p=
k2: v=DKIM1; p=
mail: v=DKIM1; p=
dkim: v=DKIM1; p=
s1: v=DKIM1; p=
s2: v=DKIM1; p=
mxvault: v=DKIM1; p=
smtpapi: v=DKIM1; p=

selectors probed

Certificate (current)

WE1

from 2026-04-01 to 2026-06-30

Expires in 40 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 45/100 Checked live page: https://teacher-tech.net/

present

x-content-type-options
referrer-policy

findings

missing HSTS
missing Content Security Policy
missing frame protection
missing Permissions Policy

Header values

referrer-policy: strict-origin-when-cross-origin
x-content-type-options: nosniff