indexo.dev

marklefko.com

.com crawl

First seen 2026-05-08 · Last seen 2026-05-08 · ok HTTP/1.1 200 1320 ms crawled 2026-05-15

US · 198.185.159.144 · AS53831 Squarespace, Inc.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Mark Lefko | Facilitator, The Lefko Group
Description
Mark Lefko specializes in offsite corporate retreat facilitation, executive board and team conflict resolution, CEO advisory services and 1:1 coaching.
Language
en-US
Canonical
https://marklefko.com

Open Graph

url
https://marklefko.com
title
Mark Lefko | Facilitator, The Lefko Group
site name
Mark Lefko | Facilitator, The Lefko Group
description
Mark Lefko specializes in offsite corporate retreat facilitation, executive board and team conflict resolution, CEO advisory services and 1:1 coaching.

Technology

Server
Squarespace
CMS
Squarespace
Fonts
  • Google Fonts

Third-party hosts loaded (6)

  • definitions.sqspcdn.com×21
  • images.squarespace-cdn.com×11
  • assets.squarespace.com×10
  • static1.squarespace.com×5
  • fonts.googleapis.com×1
  • fonts.gstatic.com×1

Social

Contact

Phone

Registration

Registrar
GoDaddy.com, LLC
Created
2012-01-05
Expires
2028-01-05 594 days left
Updated
2024-02-21
Name servers
  • ns25.domaincontrol.com
  • ns26.domaincontrol.com

DNS records live

NS
  • ns25.domaincontrol.com
  • ns26.domaincontrol.com
MX
  • 0 marklefko-com.mail.protection.outlook.com
Verified for
  • Microsoft 365

Email authentication weak

SPF
v=spf1 include:spf.protection.outlook.com -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-05-10 to 2026-08-08
Expires in 80 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 65/100 Checked live page: https://marklefko.com/

present
  • strict-transport-security
  • x-frame-options
  • x-content-type-options
findings
  • missing Content Security Policy
  • weak frame protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
SAMEORIGIN, SAMEORIGIN
x-content-type-options
nosniff
strict-transport-security
max-age=15552000

Links to (1)