felipedaf.dev

.dev crawl

First seen 2026-05-02 · Last seen 2026-05-03 · ok HTTP/1.1 200 3252 ms crawled 2026-05-09

US · 185.199.108.153 · AS54113 Fastly, Inc.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Generator: Gatsby 5.7.0

Technology

CDN: Fastly
Server: GitHub.com
CMS: Gatsby

Third-party hosts loaded (1)

avatars.githubusercontent.com×1

DNS records live

NS

ns-cloud-b1.googledomains.com
ns-cloud-b2.googledomains.com
ns-cloud-b3.googledomains.com
ns-cloud-b4.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

Email authentication weak

SPF

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

softfail (~all)

DMARC

not published

DKIM

google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAoj3yQx0X9iPuZLvG6rXeyubkfTprpM3io0jlmN6ECvTBbDZfNZ4sX1wapeMKHnFz6hQikIaoV60bcg…

selectors probed

Certificate (current)

R12

from 2026-04-24 to 2026-07-23

Expires in 65 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://felipedaf.dev/

present

strict-transport-security

findings

missing Content Security Policy
missing frame protection
missing content type protection
missing Referrer Policy
missing Permissions Policy

Header values

strict-transport-security: max-age=31556952

Linked from (26)