Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
jetschke.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 13:41:39 UTC · ↺ Refresh
MX Hostnames
- jetschke-de.mail.protection.outlook.com
MX Priorities
- jetschke-de.mail.protection.outlook.com: 0
A / AAAA Records
- 108.142.76.117 (no PTR)
Mail Server IPs
- 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
- 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
- 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
- 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
- 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:ca09::6 ↩ mail-am4pr0401cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com
- 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.lemarit.de hostmaster.lemarit.com 1765013103 43200 10800 2419200 3600
Primary NS (mname)
ns1.lemarit.de
Admin Email (rname)
hostmaster@lemarit.com
Serial
1765013103
Refresh
43200s
Retry
10800s
Expire
2419200s
Minimum TTL
3600s
Nameservers (NS)
ns1.lemarit.de
ns1.lemarit.net
ns2.lemarit.de
ns2.lemarit.net
ns3.lemarit.de
SPF Record
✓ Strict (-all)
v=spf1 ip4:20.54.225.142 include:spf.protection.outlook.com include:spf.nl2go.com include:eu-k1.o365.crossware.co.nz -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; adkim=s; aspf=s;
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
3 records- SPFv=spf1 ip4:20.54.225.142 include:spf.protection.outlook.com include:spf.nl2go.com include:eu-k1.o365.crossware.co.nz -all
- MS=ms89083896
- facebook-domain-verification=4jbq3cjfcjqckheckg9xsrw19zoa5h
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