indexo.dev

mgsiegler.com

.com crawl

First seen 2026-04-14 · Last seen 2026-05-13 · ok HTTP/1.1 200 1354 ms crawled 2026-05-08

US · 188.114.96.3 · AS13335 Cloudflare, Inc.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
M.G. Siegler
Description
I’m M.G. Siegler. I’m a writer and investor. Currently, I run Spyglass, a site where I write about technology, media, and a range of other topics. I also invest, alongside my wife through Sequin, our family office.
Language
en
Generator
Super

Open Graph

url
https://mgsiegler.com
title
M.G. Siegler
locale
en-US
site name
M.G. Siegler
description
I’m M.G. Siegler. I’m a writer and investor. Currently, I run Spyglass, a site where I write about technology, media, and a range of other topics. I also invest, alongside my wife through Sequin, our family office.

Technology

CDN
Cloudflare
CMS
Next.js
Analytics
  • Google Tag Manager

Third-party hosts loaded (5)

  • images.spr.so×22
  • assets-v2.super.so×16
  • notion.so×8
  • assets.super.so×1
  • www.googletagmanager.com×1

Social

Registration

Registrar
Squarespace Domains II LLC
Created
2007-09-03
Expires
2026-09-03 106 days left
Updated
2025-08-19
Name servers
  • casey.ns.cloudflare.com
  • lauryn.ns.cloudflare.com

DNS records live

NS
  • casey.ns.cloudflare.com
  • lauryn.ns.cloudflare.com
MX
  • 10 mxa.mailgun.org
  • 10 mxb.mailgun.org

Email authentication weak

SPF
v=spf1 include:mailgun.org ~all
softfail (~all)
DMARC
not published
DKIM
  • k1: k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDXiID93/x0QSfff66u9SDllJ4f6+OWcCZ+fuU8IBZryCXQopnsZ87F2VhBYuq/yxlOmJdWcQMCNuJZ5bMGULHwfZdQQs/…
selectors probed

Certificate (current)

WE1
from 2026-03-15 to 2026-06-13
Expires in 24 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://mgsiegler.com/

present
  • strict-transport-security
findings
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
strict-transport-security
max-age=63072000

Links to (7)

Linked from (1)