indexo.dev

yieldbird.com

.com crawl

First seen 2026-06-01 · Last seen 2026-06-01 · ok HTTP/1.1 200 416 ms crawled 2026-06-01

PL · 77.55.253.76 · AS15967 Nazwa.pl Sp.z.o.o.

Reputation 87/100 weak security headers weak subdomain policy

Classifying

HTML metadata

Title
Yieldbird – Programmatic Advertising Partner - Boost Publisher Revenue
Description
We help publishers maximize ad revenue with tailored technology, demand, and services. 10+ years of expertise, 1000+ managed websites across 40 countries.
Language
en

Open Graph

title
Yieldbird – Programmatic Advertising Partner - Boost Publisher Revenue
description
We help publishers maximize ad revenue with tailored technology, demand, and services. 10+ years of expertise, 1000+ managed websites across 40 countries.

Technology

Server
nginx
Analytics
  • Google Tag Manager
Fonts
  • Google Fonts

Third-party hosts loaded (5)

  • cdn.jsdelivr.net×4
  • fonts.googleapis.com×2
  • cdn.consentmanager.net×1
  • fonts.gstatic.com×1
  • www.googletagmanager.com×1

Social

Contact

Phone
Address
Yieldbird Sp. z o.o.Czerska 8/10 00-732 Warsaw, PolandEU VAT/tax ID no.: PL 6792996939

Registration

Registrar
Key-Systems GmbH
Created
2013-09-09
Expires
2026-09-09 96 days left
Updated
2025-12-02
Name servers
  • dns.home.pl
  • dns2.home.pl
  • dns3.home.pl

DNS records live

NS
  • dns.home.pl
  • dns2.home.pl
  • dns3.home.pl
MX
  • 10 aspmx.l.google.com
  • 20 alt1.aspmx.l.google.com
  • 30 alt2.aspmx.l.google.com
  • 40 aspmx2.googlemail.com
TXT
  • _smtp._tls.yieldbird.com
  • v=TLSRPTv1; rua=mailto:smtp-tls-reports@yieldbird.com,mailto:it@yieldbird.com
Verified for
  • Atlassian
  • Google

Email authentication strong

SPF
v=spf1 include:_spf.mlsend.com include:_spf.google.com -all
strict (-all)
DMARC
v=DMARC1; p=reject; sp=quarantine; rua=mailto:it@yieldbird.com; ruf=mailto:it@yieldbird.com
policy: reject (enforced) · sp=quarantine
DKIM
Show 4 DKIM selectors
  • google: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCOWXL1624YtNNH5KPzaOlDU0G3DfDKYCSsbtQfZ6q27SNsiaXgPUQNN/AbnLeBkFCNLhJXy55qgUvPkD9Zhp…
  • k2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…
  • s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvbVrsAmDz4KMec6YTxlFtVshqqrnLJFDf0PF3EREOOf0o/EipK6kw2Bh/bQ84zgaQV3wkjBQ7SgPt5JFyD…
  • s2: k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC8bhbEyDhAK9q85qor6AZLI9xiI7TkrWctz5w542WTFA9rQKRfK96MrCiHUunLEnOahN1/fwv52p3KmlMM3/DVwM…
selectors probed

Certificate (current)

R12
from 2026-05-24 to 2026-08-22
Expires in 79 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://yieldbird.com/

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

Links to (2)