indexo.dev

kcsrk.info

.info crawl

First seen 2026-05-08 · Last seen 2026-05-08 · ok HTTP/1.1 200 1136 ms crawled 2026-05-15

US · 185.199.110.153 · AS54113 Fastly, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
KC Sivaramakrishnan · Building Functional Systems
Language
en-us
Feeds

Technology

CDN
Fastly
Server
GitHub.com
Fonts
  • Google Fonts
Social widgets
  • Twitter Widget

Third-party hosts loaded (3)

  • fonts.googleapis.com×1
  • gmpg.org×1
  • platform.twitter.com×1

Social

Registration

Registrar
Gandi SAS
Created
2013-12-11
Expires
2026-12-11 205 days left
Updated
2025-11-22
Name servers
  • ns-91-b.gandi.net
  • ns-253-a.gandi.net
  • ns-74-c.gandi.net

DNS records live

NS
  • ns-253-a.gandi.net
  • ns-74-c.gandi.net
  • ns-91-b.gandi.net
MX
  • 10 spool.mail.gandi.net
  • 50 fb.mail.gandi.net

Email authentication weak

SPF
v=spf1 include:_spf.google.com ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-04-24 to 2026-07-23
Expires in 64 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://kcsrk.info/

findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Links to (21)

Linked from (1)