indexo.dev

simperium.com

.com toplist crawl

First seen 2026-04-11 · Last seen 2026-05-18 · ok HTTP/1.1 200 1277 ms crawled 2026-05-18

US · 192.0.84.247 · AS2635 Automattic, Inc

Reputation 100/100

Classifying

HTML metadata

Title
Simperium: A cross-platform data sync service.
Description
Simperium is a cross-platform data sync service.
Language
en

Technology

Server
nginx
Fonts
  • Adobe Fonts

Third-party hosts loaded (1)

  • use.typekit.net×1

Registration

Registrar
MarkMonitor Inc.
Created
2010-05-20
Expires
2027-05-20 366 days left
Updated
2025-04-18
Name servers
  • ns1.automattic.com
  • ns2.automattic.com
  • ns3.automattic.com

DNS records live

NS
  • ns1.automattic.com
  • ns2.automattic.com
  • ns3.automattic.com
MX
  • 10 mx1.dfw.automattic.com
  • 10 mx2.ams.automattic.com

Email authentication strong

SPF
v=spf1 include:_spf.automattic.com include:mailgun.org ~all
softfail (~all)
DMARC
v=DMARC1; p=quarantine; pct=10; rua=mailto:0bqp2jnw@ag.dmarcian.com; ruf=mailto:0bqp2jnw@fr.dmarcian.com;
policy: quarantine · pct=10
DKIM
no key found at common selectors

Certificate (current)

E8
from 2026-03-31 to 2026-06-29
Expires in 42 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 60/100 Checked live page: https://simperium.com/

present
  • strict-transport-security
  • x-frame-options
findings
  • missing Content Security Policy
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
SAMEORIGIN
strict-transport-security
max-age=31536000

Links to (2)