Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
willbrandt.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 21:10:02 UTC · ↺ Refresh
MX Hostnames
- willbrandt-de.mail.protection.outlook.com
MX Priorities
- willbrandt-de.mail.protection.outlook.com: 0
A / AAAA Records
- 188.94.24.211 ↩ willbrandt02.nmmn.com
Mail Server IPs
- 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
SOA Record
Raw SOA
ns2.nmmn.com technik.nmmn.com 2026021102 10800 3600 604800 10800
Primary NS (mname)
ns2.nmmn.com
Admin Email (rname)
technik@nmmn.com
Serial
2026021102
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
10800s
Nameservers (NS)
ns2.nmmn.com
ns3.nmmn.de
SPF Record
✓ Strict (-all)
v=spf1 +a +mx include:spf.protection.outlook.com include:_spf.nmmn.com +a:willbrandt02.nmmn.com +a:willbrandt01.nmmn.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
5 records- atlassian-domain-verification=jKh2ZDq9B0a1INuogaJTvFs0spALHc3mKVPSUr/3ac9pZJoJMew8JQHhfY7fmhqU
- MS=ms92743100
- atlassian-sending-domain-verification=70637e08-94ec-4ee3-b13f-80694a7cc353
- google-site-verification=SMsLkA26MkuQwLD8RZoa9aIyNOOE9ZzedYFZSBIAIWw
- SPFv=spf1 +a +mx include:spf.protection.outlook.com include:_spf.nmmn.com +a:willbrandt02.nmmn.com +a:willbrandt01.nmmn.com -all
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