pymotw.com

.com crawl

First seen 2026-04-11 · Last seen 2026-05-18 · ok HTTP/1.1 200 3056 ms crawled 2026-05-18

US · 185.199.109.153 · AS54113 Fastly, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title: PyMOTW

Technology

CDN: Fastly
Server: GitHub.com

Registration

Registrar

Tucows Domains Inc.

Created

2008-05-25

Expires

2026-05-25 5 days left

Updated

2025-05-24

Name servers

ns1.hover.com
ns2.hover.com

DNS records live

NS

ns1.hover.com
ns2.hover.com

MX

10 in1-smtp.messagingengine.com
20 in2-smtp.messagingengine.com

Email authentication weak

SPF: v=spf1 include:spf.messagingengine.com ?all
neutral (?all)
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

R13

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

Expires in 68 days

Full certificate history on crt.sh ↗

HTTP security headers

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

findings

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

Linked from (1)

doughellmann.com×4