Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
burghardt.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 19:01:01 UTC · ↺ Refresh
MX Hostnames
- burghardt-de.mail.protection.outlook.com
MX Priorities
- burghardt-de.mail.protection.outlook.com: 10
A / AAAA Records
- 81.169.145.64 ↩ w00.rzone.de
- 2a01:238:20a:202:1064:: ↩ w00.rzone.de
Mail Server IPs
- 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
- 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
- 52.101.68.0 ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
- 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
- 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
- 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
SOA Record
Raw SOA
shades06.rzone.de hostmaster.strato-rz.de 2020050810 86400 7200 604800 300
Primary NS (mname)
shades06.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020050810
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
docks12.rzone.de
shades06.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
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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- rk8wF7dI8qtplRvBp6rBWOe7Zp66mE+Vyi++GiMbzK2MNUpv77DGm8I+1SRvUUO2bpQJYBi7o+RKGXBNVdbJ7w==
- SPFv=spf1 include:spf.protection.outlook.com -all
- MS=ms26389144
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