Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
badische-backstub.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 23:02:16 UTC · ↺ Refresh
MX Hostnames
- badischebackstub-de02b.mail.protection.outlook.com
MX Priorities
- badischebackstub-de02b.mail.protection.outlook.com: 10
A / AAAA Records
- 199.36.158.100 (no PTR)
Mail Server IPs
- 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.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
SOA Record
Raw SOA
docks14.rzone.de hostmaster.strato-rz.de 2020070592 86400 7200 604800 300
Primary NS (mname)
docks14.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020070592
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
shades08.rzone.de
docks14.rzone.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.brevo.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;
✓ 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
7 records- SPFv=spf1 include:spf.protection.outlook.com include:spf.brevo.com -all
- apple-domain-verification=pPziHSKqj9CeorMp
- brevo-code:482ceec44ce5857cee5b68c8cd74b184
- sophos-domain-verification=5ab4d4c1c9b43a2e86ea0cd8b93f2fd38ecc7144e6a7068f0b74a8c6f02e95e7
- brevo-code:df6cef898bb8ff6f1d6bede9ee36346f
- MS=ms17805950
- hosting-site=badische-backstub-de
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