timkadlec.com

HTML metadata

Technology

CDN

Cloudflare

Analytics

• Cloudflare Insights

Third-party hosts loaded (1)

• static.cloudflareinsights.com×1

Social

• medium
• github

Registration

Registrar

NameCheap, Inc.

Created

2007-08-29

Expires

2026-08-29 100 days left

Updated

2026-03-25

Name servers

• emily.ns.cloudflare.com
• rick.ns.cloudflare.com

DNS records live

NS

• emily.ns.cloudflare.com
• rick.ns.cloudflare.com

MX

• 1 aspmx.l.google.com
• 5 alt1.aspmx.l.google.com
• 5 alt2.aspmx.l.google.com

Verified for

• Google

Email authentication weak

SPF

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

softfail (~all)

DMARC

not published

DKIM

• google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxkDBg6s/HdWLWhvD49aT0BebzMfTJz/bfoeyE6/T5fu3Ff91By0VtI0YNmX+kBKkkixP+Pg+coiacl…

selectors probed

Certificate (current)

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 55/100 Checked live page: https://timkadlec.com/

present

• x-frame-options
• x-content-type-options
• referrer-policy

findings

• missing HSTS
• missing Content Security Policy
• missing Permissions Policy

Links to (15)

• oreilly.com×2
• implementingresponsivedesign.com×2
• smashingmagazine.com×2
• amazon.com×2
• 2ality.com×1
• adactio.com×1
• chriscoyier.net×1
• chrome.com×1
• css-tricks.com×1
• csswizardry.com×1
• github.com×1
• ishadeed.com×1
• medium.com×1
• nolanlawson.com×1
• perfplanet.com×1

Linked from (3)

• csswizardry.com×4
• doesmysitedeserverecognition.com×3
• thenerdary.net×2