Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
schultheiss.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 07:36:03 UTC · ↺ Refresh
MX Hostnames
- schultheiss-de.mail.protection.outlook.com
MX Priorities
- schultheiss-de.mail.protection.outlook.com: 10
A / AAAA Records
- 46.183.46.247 (no PTR)
Mail Server IPs
- 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
SOA Record
Raw SOA
a.ns14.net mg.tucher.de 2026011500 28800 7200 604800 3600
Primary NS (mname)
a.ns14.net
Admin Email (rname)
mg@tucher.de
Serial
2026011500
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
c.ns14.net
d.ns14.net
a.ns14.net
b.ns14.net
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.mx-rg.de include:_spf.cmail.ondemand.com -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; sp=reject;
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
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
2 records- SPFv=spf1 include:_spf.mx-rg.de include:_spf.cmail.ondemand.com -all
- 9y6VwfxqZp/1Uz9F44jMRETec4Gvb/0VzeRxsxoXhDmE8yVlf7jfJ6RoE3Tc5f1pNeksA1TBOOx9X5+gkQbzfg==
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