newcomer.co

HTML metadata

Title

Newcomer | Substack

Description

Where technology and venture capital intersect: A deeply reported newsletter on the inner workings of the startup industry. Helmed by Eric Newcomer with writing from Madeline Renbarger, Tom Dotan & Jonathan Weber. Click to read Newcomer, a Substack publication with hundreds of thousands of subscribers.

Language

en

Canonical

https://www.newcomer.co/

Feeds

• Newcomer RSS

Open Graph

url

https://www.newcomer.co/

title

Newcomer | Substack

description

Where technology and venture capital intersect: A deeply reported newsletter on the inner workings of the startup industry. Helmed by Eric Newcomer with writing from Madeline Renbarger, Tom Dotan & Jonathan Weber. Click to read Newcomer, a Substack publication with hundreds of thousands of subscribers.

Technology

CDN

Cloudflare

CMS

Gatsby

Analytics

• Cloudflare Insights

Fonts

• Google Fonts

Third-party hosts loaded (4)

• substackcdn.com×263
• fonts.gstatic.com×1
• js.sentry-cdn.com×1
• static.cloudflareinsights.com×1

DNS records live

NS

• ns-cloud-d1.googledomains.com
• ns-cloud-d2.googledomains.com
• ns-cloud-d3.googledomains.com
• ns-cloud-d4.googledomains.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

TXT

• brevo-code:97d14b8c6af924952dcb74de2aaf1a5e

Email authentication strong

SPF

v=spf1 include:_spf.google.com ~all

softfail (~all)

DMARC

v=DMARC1; p=none; rua=mailto:rua@dmarc.brevo.com

policy: none (monitoring only)

DKIM

• google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAgeC9tBgMjzLkHTALXYJpha9KkD22vLGmTv1QrOhul+e03Oe0cdTqS+JPlbtlxWk0PurkgGnH37Z8v0…
• mail: k=rsa;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDeMVIzrCa3T14JsNY0IRv5/2V1/v2itlviLQBwXsa7shBD6TrBkswsFUToPyMRWC9tbR/5ey0nRBH0ZVxp+lsmTxid2Y2z…

selectors probed

Certificate (current)

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 65/100 Checked live page: https://www.newcomer.co

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

Links to (9)

• thedriverlessdigest.com×2
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• enable-javascript.com×2
• substack.com×2
• cerebralvalleysummit.com×2
• techemails.com×1
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Linked from (3)

• bigtechnology.com×2
• implications.com×2
• cerebralvalley.com×1