whoknew.io

.io crawl

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 2883 ms crawled 2026-05-19

US · 34.149.120.3 · AS396982 Google LLC

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title: WhoKnew™ – WordPress Plugins That Solve Problems
Description: WordPress plugins for WooCommerce social proof, contact protection, and plugin SEO. Free versions available.
Language: en-US
Generator: Powered by WPBakery Page Builder - drag and drop page builder for WordPress.
Canonical: https://whoknew.io/

Open Graph

url: https://whoknew.io/
title: WhoKnew™ – WordPress Plugins That Solve Problems
locale: en_US
site name: WhoKnew™
description: WordPress plugins for WooCommerce social proof, contact protection, and plugin SEO. Free versions available.

Technology

Server: nginx
CMS: WordPress

Analytics

Google Tag Manager

Third-party hosts loaded (1)

www.googletagmanager.com×1

Social

DNS records live

NS

ns1.siteground.net
ns2.siteground.net

MX

10 mx10.antispam.mailspamprotection.com
20 mx20.antispam.mailspamprotection.com
30 mx30.antispam.mailspamprotection.com

TXT

Show 4 TXT records

google-site-verification=gYvHDDIgkXihIn_Zb3BpKPgFCS62pBawtV8nLYpqUFY
google-site-verification=-GMRo53zrQVNcAfOTeQWMuYgu4AM0pWv0_Wj1cV6hmo
brevo-code:a8e25b5a14957382ad6a4dda180d7d17
google-site-verification=1YtMGZtCWxJYZ4Q5Uuw8k-l2BEwxk41N_UXnsVbIOP4

Email authentication partial

SPF

v=spf1 +a +mx include:whoknew.io.spf.auto.dnssmarthost.net ~all

softfail (~all)

DMARC

v=DMARC1; p=none; rua=mailto:rua@dmarc.brevo.com

policy: none (monitoring only)

DKIM

default: v=DKIM1; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDPxFYPPNqaH58fba07hSeSa+1pgWSo3oFq/VGPbon1DaXijEJa95+IV5HP1/z+8kr7//A7GXilX/Cs/rMWLNSoGIqzb…
mail: k=rsa;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDeMVIzrCa3T14JsNY0IRv5/2V1/v2itlviLQBwXsa7shBD6TrBkswsFUToPyMRWC9tbR/5ey0nRBH0ZVxp+lsmTxid2Y2z…

selectors probed

Certificate (current)

R13

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

Expires in 41 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://whoknew.io/

present

x-content-type-options

findings

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

Header values

x-content-type-options: nosniff

Links to (6)

Linked from (50)

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