indexo.dev

sidewalkchorus.com

.com crawl

First seen 2026-05-01 · Last seen 2026-05-15 · ok HTTP/1.1 200 5660 ms crawled 2026-05-08

US · 3.231.35.217 · AS14618 Amazon.com, Inc.

Reputation 100/100

Classifying

HTML metadata

Title
Sidewalk Chorus | Sebastian Hallum Clarke | Substack
Description
Exploring how New York works and sharing ways to make this city a greater and more prosperous place to live. Click to read Sidewalk Chorus, by Sebastian Hallum Clarke, a Substack publication with hundreds of subscribers.
Language
en
Canonical
https://www.sidewalkchorus.com/
Feeds

Open Graph

url
https://www.sidewalkchorus.com/
title
Sidewalk Chorus | Sebastian Hallum Clarke | Substack
description
Exploring how New York works and sharing ways to make this city a greater and more prosperous place to live. Click to read Sidewalk Chorus, by Sebastian Hallum Clarke, a Substack publication with hundreds of subscribers.

Technology

CDN
Cloudflare
CMS
Gatsby
Analytics
  • Cloudflare Insights

Third-party hosts loaded (3)

  • substackcdn.com×274
  • js.sentry-cdn.com×1
  • static.cloudflareinsights.com×1

Social

Registration

Registrar
PDR Ltd. d/b/a PublicDomainRegistry.com
Created
2022-12-22
Expires
2026-12-22 216 days left
Updated
2025-11-22
Name servers
  • jonah.ns.cloudflare.com
  • lola.ns.cloudflare.com

DNS records live

NS
  • jonah.ns.cloudflare.com
  • lola.ns.cloudflare.com
TXT
  • google-site-verification=b4gGqSHsc3JLZ1f08_w9z9FvZyzFL6hCkJ-OypePYXc

Email authentication no MX

SPF
not published
DMARC
v=DMARC1; p=none; rua=mailto:a6de0e0b4fc545849ca37149cbf0ed63@dmarc-reports.cloudflare.net
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current)

E8
from 2026-04-06 to 2026-07-05
Expires in 46 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 65/100 Checked live page: https://www.sidewalkchorus.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 (9)

Linked from (2)

See all sites whose homepage links to sidewalkchorus.com →