Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
topbau-vs.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 05:59:39 UTC · ↺ Refresh
MX Hostnames
- topbauvs-de01e.mail.protection.outlook.com
MX Priorities
- topbauvs-de01e.mail.protection.outlook.com: 0
A / AAAA Records
- 185.215.158.240 (no PTR)
- 2a03:2a01:a330:8:: (no PTR)
Mail Server IPs
- 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
- 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
- 52.101.73.28 ↩ mail-am7pr05cu00204.inbound.protection.outlook.com
- 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com
- 2a01:111:f403:ca09::8 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns01.agenturserver.de support.mittwald.de 2026032509 28800 7200 604800 3600
Primary NS (mname)
ns01.agenturserver.de
Admin Email (rname)
support@mittwald.de
Serial
2026032509
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns01.agenturserver.de
ns01.agenturserver.it
ns01.agenturserver.co
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf-de.emailsignatures365.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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- google-site-verification=wFs9SzWJvbh-KLK19ptDCaAmn4xIUNpknR1z-a8Of74
- SPFv=spf1 include:spf.protection.outlook.com include:spf-de.emailsignatures365.com -all
- DKIMv=DKIM1; k=rsa; s=email; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzEOc/sCo6vkbhYxn/ebVY1oL05u6Og2cll4K0QFBKE9iV3a8g7RxxACHp4cx9aM8AEsDBbySRSbAOR3yO4U3OXlA8RRBLDRQQhl60gK72ID6Dj0PvX099FjYjDHvEn/1EHMEwXbQL6ClN6ltFDJUwVbeJ+29wJ4rir5JBahjinESes3LRdB0ukAyQoZ6GBVbGKFdupRMftsE0vswZDLOaSUVddrZiDmSBGVYhXaxNgrKgRj2V5OzzrUurROmV4KUIgxBsBx46gVbfegPb2HFQLg2oF8PV/NAoCyYjknDODv6+p2KlHxQxZ7fp9cWE6up9ZXhVkwWSe65GMa7J72FowIDAQAB
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