indexo.dev

centuryofbio.com

.com crawl

First seen 2026-04-22 · Last seen 2026-05-12 · ok HTTP/1.1 200 1656 ms crawled 2026-05-15

US · 104.18.36.24 · AS13335 Cloudflare, Inc.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
The Century of Biology | Elliot Hershberg | Substack
Description
Data, companies, and ideas from the frontier of biology. Click to read The Century of Biology, by Elliot Hershberg, a Substack publication with tens of thousands of subscribers.
Language
en
Canonical
https://centuryofbio.com/
Feeds

Open Graph

url
https://centuryofbio.com/
title
The Century of Biology | Elliot Hershberg | Substack
description
Data, companies, and ideas from the frontier of biology. Click to read The Century of Biology, by Elliot Hershberg, a Substack publication with tens of thousands of subscribers.

Technology

CDN
Cloudflare
CMS
Gatsby
Analytics
  • Cloudflare Insights
Fonts
  • Google Fonts

Third-party hosts loaded (4)

  • substackcdn.com×247
  • fonts.gstatic.com×1
  • js.sentry-cdn.com×1
  • static.cloudflareinsights.com×1

Registration

Registrar
NameCheap, Inc.
Created
2022-04-04
Expires
2027-04-04 319 days left
Updated
2026-03-05
Name servers
  • dns1.registrar-servers.com
  • dns2.registrar-servers.com

DNS records live

NS
  • dns1.registrar-servers.com
  • dns2.registrar-servers.com
MX
  • 1 aspmx.l.google.com
  • 10 aspmx2.googlemail.com
  • 10 aspmx3.googlemail.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com
TXT
  • google-site-verification=uyhwWTh6VXrtmxl1SvrgrvruyOuJbUTXqUiIG4hPFII

Email authentication weak

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

Certificate (current)

WE1
from 2026-04-20 to 2026-07-19
Expires in 60 days

Full certificate history on crt.sh ↗

HTTP security headers

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

present
  • strict-transport-security
  • content-security-policy
findings
  • CSP uses wildcard sources
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
content-security-policy
frame-ancestors 'self' https://*.substack.com https://substack.com
strict-transport-security
max-age=31536000; includeSubDomains; preload

Links to (2)

Linked from (1)