dsg-schule.de

Valid Email Server
Domain Lookup › dsg-schule.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
dsg-schule.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-21 21:03:10 UTC · ↺ Refresh

MX Hostnames

  • dsgschule-de0i.mail.protection.outlook.com

MX Priorities

  • dsgschule-de0i.mail.protection.outlook.com: 0

A / AAAA Records

  • 45.144.186.31 (no PTR)

Mail Server IPs

  • 52.101.73.28 ↩ mail-am7pr05cu00204.inbound.protection.outlook.com
  • 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
  • 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
  • 52.101.73.16 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::d ↩ mail-as9pr05cu01305.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com

SOA Record

Raw SOA ns1a.dodns.net hostmaster.dsg-schule.de 11 7200 900 3600000 86400
Primary NS (mname)
ns1a.dodns.net
Admin Email (rname)
hostmaster@dsg-schule.de
Serial
11
Refresh
7200s
Retry
900s
Expire
3600000s
Minimum TTL
86400s

Nameservers (NS)

ns1a.dodns.net
ns2a.dodns.net

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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

3 records
  • domainVerification=1b532050-80dd-4a16-b3c2-15ee7feeb990
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • canva-site-verification=mkfU9J0neTobT0PCNbVugg
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