chrisguillebeau.com

.com crawl

First seen 2026-04-16 · Last seen 2026-05-16 · ok HTTP/1.1 200 1347 ms crawled 2026-05-11

US · 173.255.218.42 · AS63949 Akamai Connected Cloud

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title: Chris Guillebeau | The Art of Non-Conformity
Description: NYT bestselling author of Time Anxiety, The $100 Startup, and 8 other books. Writing on time, work, and unconventional paths to a life that matters.
Language: en
Canonical: https://chrisguillebeau.com/

Open Graph

url: https://chrisguillebeau.com/
title: Chris Guillebeau | The Art of Non-Conformity
site name: The Art of Non-Conformity
description: NYT bestselling author of Time Anxiety, The $100 Startup, and 8 other books. Writing on time, work, and unconventional paths to a life that matters.

Technology

Server: nginx
CMS: Next.js

Social

Registration

Registrar

Hostopia Canada Corp

Created

2005-09-22

Expires

2026-09-22 125 days left

Updated

2025-09-22

Name servers

ns1.linode.com
ns2.linode.com
ns3.linode.com
ns4.linode.com

DNS records live

NS

ns1.linode.com
ns2.linode.com
ns3.linode.com
ns4.linode.com
ns5.linode.com

MX

Show 7 MX records

10 aspmx.l.google.com
20 alt1.aspmx.l.google.com
20 alt2.aspmx.l.google.com
30 aspmx2.googlemail.com
30 aspmx3.googlemail.com
30 aspmx4.googlemail.com
30 aspmx5.googlemail.com

TXT

google-site-verification=nwR84hMuA69MnJftEU6BRp22WQ8twxtllcWPhM83iy8
google-site-verification=brEQLTO6LvVw7JGjGeVNV2f8l0jhPaiCXm5F1I4u8z0

Email authentication weak

SPF

not published

DMARC

v=DMARC1; p=none;

policy: none (monitoring only)

DKIM

s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxl1RUyGtvDE5p0Ru8jidWUHuFiHRPbf2jY7tG7tKij+3O6uXjMuBtdiy3m56zX0AQ+IyG1eRTYj5LILkqY…
s2: k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCne/OXrQ3W84F56llcFncCzqLPMvP8irn8GG/Y6GmWzP7FqEczp8JJZY/PNpDJL2riVpQXmV7zTtTbyh4PuHRw0D…

selectors probed

Certificate (current)

R13

from 2026-04-28 to 2026-07-27

Expires in 69 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 55/100 Checked live page: https://chrisguillebeau.com/

present

x-frame-options
x-content-type-options
referrer-policy

findings

missing HSTS
missing Content Security Policy
missing Permissions Policy

Header values

referrer-policy: strict-origin-when-cross-origin
x-frame-options: SAMEORIGIN
x-content-type-options: nosniff