Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
der-heidehof.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 14:32:42 UTC · ↺ Refresh
MX Hostnames
- derheidehof-de0i.mail.protection.outlook.com
MX Priorities
- derheidehof-de0i.mail.protection.outlook.com: 20
A / AAAA Records
- 88.198.101.230 ↩ static.88-198-101-230.clients.your-server.de
Mail Server IPs
- 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 52.101.170.1 ↩ mail-fr4p281cu03101.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
- 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
SOA Record
Raw SOA
shades01.rzone.de hostmaster.strato-rz.de 2021022066 86400 7200 604800 300
Primary NS (mname)
shades01.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2021022066
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
shades01.rzone.de
docks09.rzone.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- SPFv=spf1 include:spf.protection.outlook.com -all
- brevo-code:f188db89ae65049640ae23117b65b37a
- MS=ms28863223
- google-site-verification=brxuo1a-D6o6m99LYR5Zwdz45LyDUlTN22VgQnReLhM
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