Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
bertelsmann-stiftung.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 03:47:24 UTC · ↺ Refresh
MX Hostnames
- bertelsmannstiftung-de02i.mail.protection.outlook.com
MX Priorities
- bertelsmannstiftung-de02i.mail.protection.outlook.com: 10
A / AAAA Records
- 185.57.241.76 ↩ bst0-l-proxy0.iquer.net
Mail Server IPs
- 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
- 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
- 52.101.73.28 ↩ mail-am7pr05cu00204.inbound.protection.outlook.com
- 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
- 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com
- 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
SOA Record
Raw SOA
ns0.iquer.net hostmaster.iquer.net 2019061101 28800 7200 604800 86400
Primary NS (mname)
ns0.iquer.net
Admin Email (rname)
hostmaster@iquer.net
Serial
2019061101
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns0.iquer.net
ns2.iquer.net
ns1.iquer.net
SPF Record
✓ Strict (-all)
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
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; sp=none; rua=mailto:[email protected]; pct=100; ri=86400;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
13 records- docusign=77932888-6a13-461b-98e1-cef65e6b77e2
- canva-site-verification=mRKahnQe323rhnL6LOaJYg
- MS=ms73872518
- adobe-idp-site-verification=ddb06c81-5737-4044-ba0e-d6bfca29da0b
- SPFv=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
- MS=ms61467510
- apple-domain-verification=XZQybtzYdTyrWknU
- ZOOM_verify_0dw0DEpdU0CV8pS4kS0b3P
- openai-domain-verification=dv-GAk4YfDGznSwJFcvXKbwu6ya
- MS=ms42722630
- atlassian-domain-verification=FGifUt0/xMGgrJwJN6GshGzTIjDSYpyQhdwFFfhD8AxMsVZLVzN9wd41OX6Hrjga
- d365mktkey=ffxUkTIkpYH7wLiQJMx3viNTaJJqZlohnetqsqxg6pkx
- v=verifydomain MS=ms81956906
Free · No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for bertelsmann-stiftung.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits