bkleinberg.net

.net crawl

First seen 2026-04-18 · Last seen 2026-05-15 · ok HTTP/1.1 200 3117 ms crawled 2026-05-12

US · 185.199.110.153 · AS54113 Fastly, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title: Bennett Kleinberg
Generator: pandoc

Technology

CDN: Fastly
Server: GitHub.com

Social

Registration

Registrar

GoDaddy.com, LLC

Created

2017-03-03

Expires

2028-03-03 654 days left

Updated

2026-03-04

Name servers

ns29.domaincontrol.com
ns30.domaincontrol.com

DNS records live

NS

ns29.domaincontrol.com
ns30.domaincontrol.com

MX

0 smtp.secureserver.net
10 mailstore1.secureserver.net

TXT

google-site-verification=OgtSeexCca5G0la-S--x9ZQ6iNloz9_ZJX2kNx7sUMw

Email authentication weak

SPF: not published
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

R12

from 2026-04-19 to 2026-07-18

Expires in 60 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://bkleinberg.net/

findings

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