indexo.dev

serokell.io

.io crawl

First seen 2026-04-11 · Last seen 2026-05-18 · ok HTTP/1.1 200 205 ms crawled 2026-05-18

US · 13.33.235.94 · AS16509 Amazon.com, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
Serokell Software Development Company
Description
Serokell provides custom software development services in the domains of fintech, blockchain, machine learning, biotech, edtech, and ecommerce. We use functional programming to build custom high-performance IT solutions that serve 1B of users globally.
Language
en

Open Graph

title
Serokell Software Development Company
site name
Serokell Software Development Company
description
Serokell provides custom software development services in the domains of fintech, blockchain, machine learning, biotech, edtech, and ecommerce. We use functional programming to build custom high-performance IT solutions that serve 1B of users globally.

Technology

CDN
Amazon CloudFront
Server
nginx
CMS
Next.js

Social

Contact

Email
Phone
Address
boulevard de Sébastopol,75003

DNS records live

NS
  • ns-108.awsdns-13.com
  • ns-1455.awsdns-53.org
  • ns-1811.awsdns-34.co.uk
  • ns-801.awsdns-36.net
MX
  • 1 aspmx.l.google.com
  • 10 alt3.aspmx.l.google.com
  • 10 alt4.aspmx.l.google.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com
TXT
  • google-site-verification=QVTReJY--i4AhqCwUhKNYFuiL2HAkxniO1yQs8ElKps
  • google-site-verification=RqioXnoFpRysJVh6rKsvsTlJxlHt8562wrxo_x7hBok

Email authentication strong

SPF
v=spf1 include:_spf.google.com include:amazonses.com ~all
softfail (~all)
DMARC
v=DMARC1; p=quarantine; pct=10; rua=mailto:dmarc-rua@serokell.io; ruf=mailto:dmarc-ruf@serokell.io; fo=1
policy: quarantine · pct=10
DKIM
  • google: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCs4yWO5Jf49WbqC5EgL9KMQNBmResB74FCXKLB3/R+2HJYWu7ffpOQFWr5h1M2WL52FXV8n80kkoHcShUyNj…
  • k2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…
selectors probed

Certificate (current)

Amazon RSA 2048 M01
from 2025-10-16 to 2026-11-14
Expires in 179 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://serokell.io/

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

Links to (6)

Linked from (1)