indexo.dev

whatihavelearnedteaching.com

.com crawl

First seen 2026-05-11 · Last seen 2026-05-17 · ok HTTP/1.1 200 2515 ms crawled 2026-05-17

US · 104.21.18.206 · AS13335 Cloudflare, Inc.

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title
What I Have Learned
Description
Teaching ideas and resources developed with research-based best practices in all content areas to ensure depth of knowledge.
Language
en-US
Canonical
https://whatihavelearnedteaching.com/
Feeds

Open Graph

url
https://whatihavelearnedteaching.com/
title
What I Have Learned
locale
en_US
site name
What I Have Learned
description
Teaching ideas and resources developed with research-based best practices in all content areas to ensure depth of knowledge.
updated time
2026-04-22T17:39:01-07:00

Technology

CDN
Cloudflare
CMS
WordPress
Analytics
  • Cloudflare Insights
Fonts
  • Google Fonts

Third-party hosts loaded (4)

  • ads.adthrive.com×3
  • fonts.gstatic.com×1
  • static.cloudflareinsights.com×1
  • www.facebook.com×1

Social

Contact

Phone
Address
st D='abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234

Registration

Registrar
NameCheap, Inc.
Created
2015-01-24
Expires
2033-01-24 2441 days left
Updated
2023-11-27
Name servers
  • jerry.ns.cloudflare.com
  • zita.ns.cloudflare.com

DNS records live

NS
  • jerry.ns.cloudflare.com
  • zita.ns.cloudflare.com
MX
  • 1 aspmx.l.google.com
  • 10 alt3.aspmx.l.google.com
  • 10 alt4.aspmx.l.google.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com
TXT
  • ca3-327e12456dbf4df39645ab2c5c4f5831
Verified for
  • Google

Email authentication partial

SPF
v=spf1 a mx include:_spf.google.com include:spf.securedserverspace.com ~all
softfail (~all)
DMARC
v=DMARC1;p=none;
policy: none (monitoring only)
DKIM
  • dkim: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDaMoRWPzbQEn+IWH7LW/j9QF64Jd5N3mZOs3t+Ee0LNTWn7KicVElLzRza5RQut48gSpduhZkiwqTZGgjZm8…
selectors probed

Certificate (current)

E7
from 2026-03-23 to 2026-06-21
Expires in 32 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 80/100 Checked live page: https://whatihavelearnedteaching.com/

present
  • strict-transport-security
  • content-security-policy
  • x-content-type-options
findings
  • missing frame protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-content-type-options
nosniff
content-security-policy
block-all-mixed-content
strict-transport-security
max-age=15552000; preload

Links to (4)

Linked from (1)