indexo.dev

gsandf.dev

.dev crawl

First seen 2026-04-20 · Last seen 2026-05-17 · ok HTTP/1.1 200 325 ms crawled 2026-05-14

US · 104.21.58.159 · AS13335 Cloudflare, Inc.

Reputation 100/100

Classifying

HTML metadata

Title
GS&F Developers

Technology

CDN
Cloudflare

DNS records live

NS
  • darwin.ns.cloudflare.com
  • kayleigh.ns.cloudflare.com

Email authentication no MX

SPF
v=spf1 -all
strict (-all)
DMARC
v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s;
policy: reject (enforced) · sp=reject
DKIM
Show 12 DKIM selectors
  • default: v=DKIM1; p=
  • google: v=DKIM1; p=
  • selector1: v=DKIM1; p=
  • selector2: v=DKIM1; p=
  • k1: v=DKIM1; p=
  • k2: v=DKIM1; p=
  • mail: v=DKIM1; p=
  • dkim: v=DKIM1; p=
  • s1: v=DKIM1; p=
  • s2: v=DKIM1; p=
  • mxvault: v=DKIM1; p=
  • smtpapi: v=DKIM1; p=
selectors probed

Certificate (current)

E7
from 2026-03-26 to 2026-06-24
Expires in 34 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 55/100 Checked live page: https://gsandf.dev/

present
  • content-security-policy
  • x-content-type-options
  • referrer-policy
findings
  • missing HSTS
  • CSP allows unsafe inline scripts/styles
  • CSP uses wildcard sources
  • missing frame protection
  • missing Permissions Policy
Header values
referrer-policy
strict-origin-when-cross-origin
x-content-type-options
nosniff
content-security-policy
default-src 'self'; img-src 'self' data: https: *; style-src 'self' 'unsafe-inline' https: *; script-src 'self' 'unsafe-inline' https: *; font-src 'self' data: https: *; connect-src 'self' https: *; media-src 'self' https: *; object-src 'none'; frame-src 'self' https: *;

Linked from (3)