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Total

DNS

Email

Security

Network

100

Availability

Domainbertelsmann-stiftung.de

IPv41

IPv60

MX records1

StatusActive

Domain technical report

Startseite

bertelsmann-stiftung.de

Mit ihren Projekten, Studien und Veranstaltungen regt die Bertelsmann Stiftung Debatten an und gibt Impulse für gesellschaftliche Veränderungen. Gemeinnützige Arbeit und nachhaltige Wirkung sind die Grundlagen ihres Handelns. Die Initiativen der Stiftung zeigen nicht nur Lösungen auf, sondern schaffen empirisch gestützte Orientierung in einer breiten Öffentlichkeit.

Generated: 2026-08-09T21:07:59-05:00 · Cached result

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IPv41

IPv60

MX1

NS3

DiagnosticsMain findings and recommendations

✓

IPv4 (A)30 / 30 pts · Dns

1 IPv4 address(es) detected.

IPv6 (AAAA)0 / 10 pts · Dns

0 IPv6 address(es) detected.

✓

Name server redundancy20 / 20 pts · Dns

3 NS record(s); 2 or more required.

✓

SOA record10 / 10 pts · Dns

Authoritative zone record.

✓

DNSSEC chain15 / 15 pts · Dns

DS and DNSKEY detected.

CAA policy0 / 5 pts · Dns

Certificate authority restriction.

✓

DNS propagation10 / 10 pts · Dns

Agreement between public resolvers.

✓

MX records20 / 20 pts · Mail

1 MX record(s).

✓

SPF25 / 25 pts · Mail

SPF policy published.

✓

DMARC25 / 25 pts · Mail

DMARC policy published.

✓

DKIM20 / 20 pts · Mail

A DKIM selector was verified.

MTA-STS0 / 5 pts · Mail

Mail transport policy.

TLS-RPT0 / 5 pts · Mail

TLS reporting policy.

✓

Valid TLS certificate55 / 55 pts · Security

92 day(s) remaining.

✓

Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

HTTP security headers4 / 35 pts · Security

1 of 9 evaluated headers detected.

✓

PTR reverse DNS30 / 30 pts · Network

PTR: bst0-l-proxy0.iquer.net

IPv4 diversity20 / 35 pts · Network

Two or more IPv4 addresses receive full points.

IPv6 connectivity0 / 35 pts · Network

AAAA availability.

✓

DNS resolution40 / 40 pts · Availability

At least one address family must resolve.

✓

HTTP response40 / 40 pts · Availability

HTTP/2 200

✓

HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

1 record(s)

185.57.241.76

AAAA

0 record(s)

—

Not configured

CNAME

0 record(s)

—

Not configured

MX

1 record(s)

10 bertelsmannstiftung-de02i.mail.protection.outlook.com.

TXT

13 record(s)

"adobe-idp-site-verification=ddb06c81-5737-4044-ba0e-d6bfca29da0b"
"MS=ms61467510"
"v=spf1 include:customers.clickdimensions.com include:_spf.iquer.net include:spf.protection.outlook.com include:spf.servicemail24.de include:_spf.eu.messagegears.net ip4:145.228.190.192/27 include:spf.mailjet.com -all"
"ZOOM_verify_0dw0DEpdU0CV8pS4kS0b3P"
"MS=ms42722630"
"v=verifydomain MS=ms81956906"
"MS=ms73872518"
"apple-domain-verification=XZQybtzYdTyrWknU"
"canva-site-verification=mRKahnQe323rhnL6LOaJYg"
"docusign=77932888-6a13-461b-98e1-cef65e6b77e2"
"openai-domain-verification=dv-GAk4YfDGznSwJFcvXKbwu6ya"
"d365mktkey=ffxUkTIkpYH7wLiQJMx3viNTaJJqZlohnetqsqxg6pkx"
"atlassian-domain-verification=FGifUt0/xMGgrJwJN6GshGzTIjDSYpyQhdwFFfhD8AxMsVZLVzN9wd41OX6Hrjga"

NS

3 record(s)

ns2.iquer.net.
ns1.iquer.net.
ns0.iquer.net.

SOA

1 record(s)

ns0.iquer.net. hostmaster.iquer.net. 2019061101 28800 7200 604800 86400

CAA

0 record(s)

—

Not configured

DS

1 record(s)

19529 13 2 B44E0A9D325E0516CE857767BC4BFBDD0A9CD73D01715260A81A98B4 395C71C9

DNSKEY

1 record(s)

257 3 13 vurGr5JioINQR1XX3yLmzz21gE8UzZrhy/OC9tUz2leuXN40NHVXzuFo nktjkPTquHKAi63PpBqy7+fMfGwkaQ==

RRSIG

4 record(s)

SOA 13 2 3600 20260820000000 20260730000000 19529 bertelsmann-stiftung.de. VgjxKukSuZLuQ21XbmhZW99lh7GI3CYiCX6sKEQBCsW5jTr4TAlWEACa tndIRhRWdLDsqwvLz0ww/f5uO3I52w==
NS 13 2 86400 20260820000000 20260730000000 19529 bertelsmann-stiftung.de. tF91JUxAUcpTVpyQBFvGzaJ2Ln3wGK1E+1e423SC3ZiZEmY+VlWw0+Qz VMnF6FbCzWZPQ6UOfjHPQ5+cemlwTg==
MX 13 2 3600 20260820000000 20260730000000 19529 bertelsmann-stiftung.de. 7Fe1p/k/6yNeGBgAWqsyhpixr9e9OBGyYnXcRREYvdqI79uYjC2nF0je s+Hjnneeud2enfxL5BWE+0jiJb8XKw==
DS 8 2 86400 20260817120903 20260803103903 32911 de. UanO4QCUo4pvk4TYhbOFFuquK5sbiGU0+yv0CFZSO4QE2ic74uXup4ho XoBuDyoKG3my4nqv15Xo3zWFeUht/r6edVjuQXvEuPaslGXfWlkm2F8U BRI0h4/ImK3cs9FdtRkhJqCfWEB8WEMAyzPRsU1DV1PkL/OGeT4LJL+Y pOE=

NSEC

1 record(s)

_0e80fabe6a6a8b2b470bf0bcabd45443.bertelsmann-stiftung.de. A NS SOA MX TXT RRSIG NSEC DNSKEY

NSEC3

0 record(s)

—

Not configured

SRV

0 record(s)

—

Not configured

NAPTR

0 record(s)

—

Not configured

TLSA

0 record(s)

—

Not configured

SSHFP

0 record(s)

—

Not configured

SPF

Configured

v=spf1 include:customers.clickdimensions.com include:_spf.iquer.net include:spf.protection.outlook.com include:spf.servicemail24.de include:_spf.eu.messagegears.net ip4:145.228.190.192/27 include:spf.mailjet.com -all

DMARC

Configured

v=DMARC1; p=none; sp=none; rua=mailto:dmarc_agg@vali.email; pct=100; ri=86400;

DKIM

Selector selector1

v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAz1MRKZ1oOgtnQAV/JDpaROpTCD1EYz8jz5N3/9wWdwZa8QdJzqhKDX55k5PqTo437T7V0gzVFqSQouq5hWdUiCvzClZsbtwZ5hmUKz45WBHu7CQCTXxznmwuTJmHnoELdzNcPPhEJsFp0MZXSXs/Hxmhlp2gTkfDkP7yNgtEW5YL9hehT2GWa8xd6Iw129ounP8ohCWqn5JVd+bWXAw+Dm6aV1BS6tzXv66Cy5BefWs5nwgBcSHMKRPrtSJxU1DI2BBufr9R5Vw57VXtHFqYZANOIdcKKCbh/+GvFumyDNyHZegwNZixDHlU7pXM8tWvy3/PYEdm5Y7Z4tqdMZGvHQIDAQAB;

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

Startseite

Description

Final URL

https://www.bertelsmann-stiftung.de/de/startseite

HTTP status

200

HTTP

Status

HTTP/2 200

Final URL

https://www.bertelsmann-stiftung.de/de/startseite

Version

Server

nginx

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

Sectigo Limited

*.bertelsmann-stiftung.de

Valid from

2025-10-09T19:00:00-05:00

Valid until

2026-11-10T17:59:59-06:00

Days remaining

Protocol

TLSv1.3

Cipher

TLS_AES_256_GCM_SHA384

Security headers

1 active

—

HSTSNot detected

—

Content Security PolicyNot detected

✓

X-Content-Type-OptionsImplemented

—

X-Frame-OptionsNot detected

—

Referrer PolicyNot detected

—

Permissions PolicyNot detected

—

Cross-Origin-Opener-PolicyNot detected

—

Cross-Origin-Embedder-PolicyNot detected

—

Cross-Origin-Resource-PolicyNot detected

DNS propagationComparison across public resolvers

Public resolver comparison

Consistent

✓

Consistent propagation

5 public resolvers queried.

ResolverServerResultLatency

Google

8.8.8.8

185.57.241.76

191,04 ms

Cloudflare

1.1.1.1

185.57.241.76

507,51 ms

Quad9

9.9.9.9

185.57.241.76

294,14 ms

OpenDNS

208.67.222.222

185.57.241.76

606,56 ms

AdGuard

94.140.14.14

185.57.241.76

223,01 ms

IP, geolocation and ASNAssociated network information

185.57.241.76

No data

success

country

region

city

asn

organization

isp

Visitor information

Visitor

216.73.217.62

reverse

country

country_code

region

city

latitude

longitude

isp

organization

asn

timezone

browser

Other

language

user_agent

Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)

is_bot

Yes

cloudflare

SMTPEmail port connectivity

bertelsmannstiftung-de02i.mail.protection.outlook.com

Port 25: Closed/unreachable - 28.3 ms - 
Port 465: Closed/unreachable - 4020.5 ms - 
Port 587: Closed/unreachable - 4044.6 ms -

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