Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
explain.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-03 10:56:59 UTC · ↺ Refresh
MX Hostnames
- explain-de.mail.protection.outlook.com
MX Priorities
- explain-de.mail.protection.outlook.com: 0
A / AAAA Records
- 185.175.196.120 (no PTR)
- 2a00:1c98:60:1161::8086:b543 (no PTR)
Mail Server IPs
- 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
- 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
- 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
- 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
- 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com
- 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:ca09::d ↩ mail-as9pr05cu01305.inbound.protection.outlook.com
SOA Record
Raw SOA
pri.mordac.de hostmaster.explain.de 1775212195 16384 2048 1048576 2560
Primary NS (mname)
pri.mordac.de
Admin Email (rname)
hostmaster@explain.de
Serial
1775212195
Refresh
16384s
Retry
2048s
Expire
1048576s
Minimum TTL
2560s
Nameservers (NS)
sec.mordac.de
pri.mordac.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:servers.mcsv.net include:spf.cloud.ci-solution.com include:smtp1.uservoice.com include:mail.zendesk.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
k1._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- SPFv=spf1 include:spf.protection.outlook.com include:servers.mcsv.net include:spf.cloud.ci-solution.com include:smtp1.uservoice.com include:mail.zendesk.com -all
- apple-domain-verification=N111cQDBfkpMetQz
- google-site-verification=Ulzuup5cJVu9xCObYlBXspAeIgL894fAZXEYuatg-eA
Full email verification for explain.de
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