Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ld-didactic.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 15:16:14 UTC · ↺ Refresh
MX Hostnames
- lddidactic-de0e.mail.protection.outlook.com
MX Priorities
- lddidactic-de0e.mail.protection.outlook.com: 0
A / AAAA Records
- 168.119.205.113 ↩ dedi7703.your-server.de
Mail Server IPs
- 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
- 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
- 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
- 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
- 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca04:: ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns3.edns.de hostmaster.edns.de 2020091569 3600 3600 604800 300
Primary NS (mname)
ns3.edns.de
Admin Email (rname)
hostmaster@edns.de
Serial
2020091569
Refresh
3600s
Retry
3600s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns4.edns.de
ns3.edns.de
SPF Record
✓ Strict (-all)
v=spf1 a:efa.ld-didatic.de ip4:62.245.183.213 ip4:194.156.135.1 ip4:46.183.40.100 include:spf.protection.outlook.com include:_spf.salesforce.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
mail._domainkey
s1._domainkey
s2._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
4 records- MS=7F4FAF289CAC585F690B65F70D5CE87F187898E1
- brevo-code:f77360f1e5ec48dd38a7ffc7eb183b10
- SPFv=spf1 a:efa.ld-didatic.de ip4:62.245.183.213 ip4:194.156.135.1 ip4:46.183.40.100 include:spf.protection.outlook.com include:_spf.salesforce.com -all
- MS=ms83701043
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