indexo.dev

harihareswara.net

.net crawl

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 1352 ms crawled 2026-05-18

US · 207.244.116.232 · AS30633 Leaseweb USA, Inc.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Home | Cogito, Ergo Sumana
Language
en
Feeds

Open Graph

url
https://www.harihareswara.net/
title
Cogito, Ergo Sumana | Cogito, Ergo Sumana
site name
Cogito, Ergo Sumana
description
| Cogito, Ergo Sumana | Blog by Sumana Harihareswara, Changeset founder

Technology

Server
nginx
CMS
Gatsby

Third-party hosts loaded (1)

  • buttondown.email×1

Contact

Email
Phone

Registration

Registrar
Tucows Domains Inc.
Created
2009-03-14
Expires
2027-03-14 297 days left
Updated
2026-03-13
Name servers
  • ns1.linode.com
  • ns2.linode.com

DNS records live

NS
  • ns1.linode.com
  • ns2.linode.com
  • ns3.linode.com
  • ns4.linode.com
  • ns5.linode.com
MX
  • 10 mail.harihareswara.net

Email authentication weak

SPF
not published
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-04-01 to 2026-06-30
Expires in 40 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 55/100 Checked live page: https://harihareswara.net/

present
  • x-frame-options
  • x-content-type-options
  • referrer-policy
  • cross-origin-opener-policy
findings
  • missing HSTS
  • missing Content Security Policy
  • missing Permissions Policy
Header values
referrer-policy
same-origin
x-frame-options
DENY
x-content-type-options
nosniff
cross-origin-opener-policy
same-origin

Links to (2)

Linked from (4)