bonaventura-gymnasium.de

Valid Email Server
Domain Lookup › bonaventura-gymnasium.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
bonaventura-gymnasium.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-31 13:25:58 UTC · ↺ Refresh

Add email validation to your forms — free

Add our free script to block 10,000+ disposable domains + perform other checks. No signup, unlimited checks.

MX validation Disposable detection Role accounts
Add to your signup form
<script src="https://check.verifyswift.com/"></script>
One line · No registration · See full docs & demo → · Customize →

MX Hostnames

  • bonaventuragymnasium-de02i.mail.protection.outlook.com

MX Priorities

  • bonaventuragymnasium-de02i.mail.protection.outlook.com: 10

A / AAAA Records

  • 217.160.0.79 ↩ 217-160-0-79.elastic-ssl.ui-r.com
  • 2001:8d8:100f:f000::22e ↩ 2001-08d8-100f-f000-0000-0000-0000-022e.elastic-ssl.ui-r.com

Mail Server IPs

  • 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
  • 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
  • 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
  • 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:ca04:: ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com

SOA Record

Raw SOA ns1045.ui-dns.org hostmaster.1and1.com 2018013114 28800 7200 604800 300
Primary NS (mname)
ns1045.ui-dns.org
Admin Email (rname)
hostmaster@1and1.com
Serial
2018013114
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1112.ui-dns.de
ns1062.ui-dns.com
ns1045.ui-dns.org
ns1070.ui-dns.biz

SPF Record

✓ Strict (-all)
v=spf1 a mx mx:schulwerk.online include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1;p=none;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected];sp=reject;adkim=s;aspf=r
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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

4 records
  • MS=ms38662036
  • SPFv=spf1 a mx mx:schulwerk.online include:spf.protection.outlook.com -all
  • apple-domain-verification=gt6YlL3IpPHbbIyA
  • google-site-verification=t6BWfQuDxAgziuSbU20SLkjMXqC811V1Y5RzivVqtic
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 · Customize →
See demo & docs
Deep verification
Full email verification for bonaventura-gymnasium.de

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits