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bookclubwithjeffreysachs.org

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First seen 2026-04-13 · Last seen 2026-05-07 · ok HTTP/1.1 200 916 ms crawled 2026-05-07

US · 198.49.23.144 · AS53831 Squarespace, Inc.

Reputation 94/100 dmarc monitor-only

sector education type homepage

HTML metadata

Title
Book Club with Jeffrey Sachs
Description
Join Columbia University Professor Jeffrey Sachs for monthly interviews with renowned authors about their groundbreaking work in history, social justice, sustainable development, and more.
Language
en-US
Canonical
https://www.bookclubwithjeffreysachs.org

Open Graph

url
https://www.bookclubwithjeffreysachs.org
title
Book Club with Jeffrey Sachs
site name
Book Club with Jeffrey Sachs
description
Join Columbia University Professor Jeffrey Sachs for monthly interviews with renowned authors about their groundbreaking work in history, social justice, sustainable development, and more.

Technology

Server
Squarespace
CMS
Squarespace
Fonts
  • Adobe Fonts
  • Google Fonts
Third-party hosts loaded (8)
  • images.squarespace-cdn.com×61
  • assets.squarespace.com×10
  • definitions.sqspcdn.com×8
  • static1.squarespace.com×4
  • use.typekit.net×2
  • fonts.googleapis.com×1
  • fonts.gstatic.com×1
  • p.typekit.net×1

Social

Contact

Phone

Registration

Registrar
Tucows Domains Inc.
Created
2021-01-13
Expires
2027-01-13 237 days left
Updated
2026-01-17
Name servers
  • ns1.hover.com
  • ns2.hover.com

DNS records live

NS
  • ns1.hover.com
  • ns2.hover.com
MX
  • 1 aspmx.l.google.com
  • 10 alt3.aspmx.l.google.com
  • 10 alt4.aspmx.l.google.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com
Verified for
  • Google

Email authentication strong

SPF
v=spf1 include:_spf.google.com ~all
softfail (~all)
DMARC
v=DMARC1; p=none;
policy: none (monitoring only)
DKIM
  • google: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCmt3Hb4RX3d+dfdeqlbDKYOjzWnUcKJfU4G6TJKEsp6N9JmJstTUhcwjdX8u1WdFgHCq6JzXCxPuAiyDV1hY…
  • k2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…
selectors probed

Certificate (current)

R13
from 2026-05-06 to 2026-08-04
Expires in 75 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 55/100 Checked live page: https://www.bookclubwithjeffreysachs.org/

present
  • strict-transport-security
  • x-content-type-options
findings
  • short HSTS max-age
  • missing Content Security Policy
  • missing frame protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-content-type-options
nosniff
strict-transport-security
max-age=0

Links to (19)

Linked from (1)