wilhelm-busch-gymnasium.de

Valid Email Server
Domain Lookup › wilhelm-busch-gymnasium.de

Domain Overview

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

Checked via [email protected] · 2026-03-31 20:03:10 UTC · ↺ Refresh

MX Hostnames

  • wilhelmbuschgymnasium-de01i1c.mail.protection.outlook.com

MX Priorities

  • wilhelmbuschgymnasium-de01i1c.mail.protection.outlook.com: 0

A / AAAA Records

  • 217.160.0.205 ↩ 217-160-0-205.elastic-ssl.ui-r.com
  • 2001:8d8:100f:f000::230 ↩ 2001-08d8-100f-f000-0000-0000-0000-0230.elastic-ssl.ui-r.com

Mail Server IPs

  • 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
  • 52.101.73.4 ↩ mail-am0pr83cu00404.inbound.protection.outlook.com
  • 52.101.68.0 ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
  • 52.101.68.16 ↩ mail-db4pr02cu00400.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
  • 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com

SOA Record

Raw SOA ns1069.ui-dns.de hostmaster.1und1.de 2015083182 28800 7200 604800 300
Primary NS (mname)
ns1069.ui-dns.de
Admin Email (rname)
hostmaster@1und1.de
Serial
2015083182
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1069.ui-dns.de
ns1069.ui-dns.org
ns1069.ui-dns.com
ns1069.ui-dns.biz

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf-eu.ionos.com include:spf.protection.outlook.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

4 records
  • apple-domain-verification=t3qaHV8pJA4X9hXg
  • SPFv=spf1 include:_spf-eu.ionos.com include:spf.protection.outlook.com ~all
  • MS=ms38602570
  • adobe-idp-site-verification=dfe4c5efd57ed32b1de9c5f5cd174aa8e43e3780c0b02e61d9b25d471335200c
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