selleo.com

.com crawl

First seen 2026-04-11 · Last seen 2026-05-10 · ok HTTP/1.1 200 3890 ms crawled 2026-05-07

US · 75.2.60.5 · AS16509 Amazon.com, Inc.

Reputation 100/100

Classifying

HTML metadata

Title
Software Development Company | Software House Selleo
Description
Software development company specializing in EdTech and HRTech systems. Scalable architecture, AI integration, compliance-ready engineering.
Language
en-US
Canonical
https://selleo.com/

Open Graph

url
https://selleo.com/
title
Software Development Company | Software House Selleo
site name
Selleo.com
description
Software development company specializing in EdTech and HRTech systems. Scalable architecture, AI integration, compliance-ready engineering.

Technology

CDN
Netlify
CMS
Gatsby

Third-party hosts loaded (2)

  • a.storyblok.com×58
  • s3.amazonaws.com×3

Social

Contact

Email
Phone
Address
Powstańców Śląskich 3/1, 43-300, Bielsko-Biała, PL

Registration

Registrar
NameCheap, Inc.
Created
2006-09-13
Expires
2026-09-13 117 days left
Updated
2026-02-20
Name servers
  • colette.ns.cloudflare.com
  • lex.ns.cloudflare.com

DNS records live

NS
  • colette.ns.cloudflare.com
  • lex.ns.cloudflare.com
MX
  • 1 aspmx.l.google.com
  • 30 aspmx2.googlemail.com
  • 30 aspmx3.googlemail.com
  • 30 aspmx4.googlemail.com
  • 30 aspmx5.googlemail.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com
TXT
Show 4 TXT records
  • google-site-verification=F_7uN3EBqkDoWMPa8wBhjMwxxKg0jUXBT9gr4YzSM9g
  • k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCviSxc3kVaheB0Yx4pt9DIDaHVVEgohX3jFBJpSkOa6hR+Y8sZuT4MdByo96XiApBR6o1GqP6CnSF4H+nnzc8wd5PpxF87LmpGDkDmmhAHuNrMDR1aOmtumy/4GaH4n7/hVqnhk+K216ZXXWtxfzm5EFLLOkYy7566Tw6J/hYLSwIDAQAB
  • MS=EB63E30C35905EA8E49A183C0F3F2C6D11DC2541
  • atlassian-domain-verification=9F2Aia8eLw/aJfE35LRwsdcS4X5wJFeZxXIXAeLliLJHX3PIOV1vptMJqdCrQnpp

Email authentication strong

SPF
v=spf1 include:_spf.getresponse.com include:_spf.google.com ~all
softfail (~all)
DMARC
v=DMARC1; p=reject; sp=reject; pct=100; rua=mailto:7f4cc49f42@rua.easydmarc.eu; ruf=mailto:7f4cc49f42@ruf.easydmarc.eu; aspf=s; adkim=s; fo=1;
policy: reject (enforced) · sp=reject
DKIM
  • google: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC8xgqyVIRG6h3EQdmhtY8kVKp9rNv9QciX4+/3bVs1vuOiDtfEhU/Ml0dWSjFs1FvlJfic/3GN9PEnYQbwUK…
  • k2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…
selectors probed

Certificate (current)

E8
from 2026-04-02 to 2026-07-01
Expires in 43 days

HTTP security headers

Header hygiene 50/100 Checked live page: https://selleo.com/

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=31536000

Links to (13)

Linked from (3)