how2power.com

.com crawl

First seen 2026-04-13 · Last seen 2026-05-14 · ok HTTP/1.1 200 993 ms crawled 2026-05-07

US · 74.95.8.177 · AS7922 Comcast Cable Communications, LLC

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title: How2Power.com - Power Electronics: Designing Power Converters: Designing Power Supply Circuits: Selecting power Converters: Selecting Power Semiconductors: Designing Magnetics
Description: How2Power is an online power electronics publication and website for engineers. This free site aims to help engineers design and apply power converters across a wide range of electronics applications. It’s also a great resource for engineering students.

Technology

Server: Apache
CMS: Joomla

Registration

Registrar

GoDaddy.com, LLC

Created

2008-10-27

Expires

2027-10-27 526 days left

Updated

2024-10-28

Name servers

ns49.domaincontrol.com
ns50.domaincontrol.com

DNS records live

NS

ns49.domaincontrol.com
ns50.domaincontrol.com

MX

0 mail.how2power.com
0 mx1.titan.email

TXT

T7432889

Email authentication strong

SPF

v=spf1 include:spf.titan.email include:servers.mcsv.net ~all

softfail (~all)

DMARC

v=DMARC1; p=none;

policy: none (monitoring only)

DKIM

k2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…

selectors probed

Certificate (current)

from 2026-05-06 to 2026-08-04

Expires in 77 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://how2power.com/

findings

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