indexo.dev

r7rs.org

.org crawl

First seen 2026-04-22 · Last seen 2026-05-16 · ok HTTP/1.1 200 5437 ms crawled 2026-05-16

DE · 217.197.84.141 · AS29670 Individual Network Berlin (IN-Berlin) e.V.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
R7RS
Language
en

Technology

Server
git-pages

Social

Registration

Registrar
Gandi SAS
Created
2006-08-30
Expires
2028-08-30 834 days left
Updated
2025-05-29
Name servers
  • ns-149-a.gandi.net
  • ns-251-b.gandi.net
  • ns-57-c.gandi.net

DNS records live

NS
  • ns-149-a.gandi.net
  • ns-251-b.gandi.net
  • ns-57-c.gandi.net
MX
  • 10 spool.mail.gandi.net
  • 50 fb.mail.gandi.net
TXT
  • r7rs.scheme.codeberg.page.

Email authentication weak

SPF
v=spf1 include:_mailcust.gandi.net ?all
neutral (?all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

E8
from 2026-05-03 to 2026-08-01
Expires in 74 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://r7rs.org/

present
  • x-content-type-options
findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-content-type-options
nosniff

Links to (16)

Linked from (1)