indexo.dev

nchan.io

.io crawl

First seen 2026-05-10 · Last seen 2026-05-10 · ok HTTP/1.1 200 3305 ms crawled 2026-05-16

US · 198.74.61.51 · AS63949 Akamai Connected Cloud

Reputation 100/100

Classifying

HTML metadata

Title
Nchan - flexible pubsub for the modern web
Language
en

Technology

Server
nginx

Third-party hosts loaded (1)

  • cdn.polyfill.io×1

Social

Contact

Email

DNS records live

NS
  • ns1.linode.com
  • ns2.linode.com
  • ns3.linode.com
  • ns4.linode.com
  • ns5.linode.com
MX
  • 10 mail.slact.net
  • 20 mail2.slact.net

Email authentication strong

SPF
v=spf1 a mx a:mail.slact.net ~all
softfail (~all)
DMARC
v=DMARC1; p=quarantine; rua=mailto:dmarc-reports@slact.net; ruf=mailto:dmarc-failures@slact.net; fo=1; adkim=r; aspf=r; pct=100; ri=86400
policy: quarantine
DKIM
  • mail: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCzsgqt54WZ7Q9UVahcjSc/iVHL3TNjAD1GISwyNgJk/Y/AbRS4aX9SW2L/zmXWvte8DGwgXzYNYBpwVRxt3B…
selectors probed

Certificate (current)

Sectigo Public Server Authentication CA DV R36
from 2026-01-26 to 2027-01-28
Expires in 254 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://nchan.io/

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=15768000

Links to (18)

Linked from (1)