efunda.com

.com crawl

First seen 2026-04-19 · Last seen 2026-05-18 · ok HTTP/1.1 200 10541 ms crawled 2026-05-13

US · 52.26.242.54 · AS16509 Amazon.com, Inc.

Reputation 87/100 weak security headers no dmarc policy

sector tech type homepage

HTML metadata

Title: eFunda: The Ultimate Online Reference for Engineers
Description: eFunda, the ultimate online reference for the mechanical engineering community

Technology

Server: Microsoft-IIS

Analytics

Google Tag Manager

Ads

Google AdSense
Google Ads (DoubleClick)

Third-party hosts loaded (5)

img.tradepub.com×4
pagead2.googlesyndication.com×4
resources.infolinks.com×1
securepubads.g.doubleclick.net×1
www.googletagmanager.com×1

Contact

Phone

95.217.78.96

Registration

Registrar

Network Solutions, LLC

Created

1998-11-24

Expires

2026-11-23 188 days left

Updated

2023-03-06

Name servers

ns61.worldnic.com
ns62.worldnic.com

DNS records live

NS

ns61.worldnic.com
ns62.worldnic.com

MX

10 aspmx.l.google.com
20 alt1.aspmx.l.google.com
30 alt2.aspmx.l.google.com
40 aspmx2.googlemail.com
50 aspmx3.googlemail.com

Email authentication weak

SPF: v=spf1 a mx ip4:128.242.106.217/29 ip4:173.164.201.18 include:aspmx.googlemail.com -all
strict (-all)
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

Sectigo Public Server Authentication CA EV R36

from 2025-08-17 to 2026-09-16

Expires in 120 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.efunda.com/home.cfm

findings

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