Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
weidner.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 09:07:53 UTC · ↺ Refresh
MX Hostnames
- weidner-de.mail.protection.outlook.com
MX Priorities
- weidner-de.mail.protection.outlook.com: 0
A / AAAA Records
- 92.205.51.87 ↩ sh20191.ispgateway.de
Mail Server IPs
- 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
- 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
- 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
- 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
- 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
- 2a01:111:f403:ca09::d ↩ mail-as9pr05cu01305.inbound.protection.outlook.com
- 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com
- 2a01:111:f403:ca09::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com
SOA Record
Raw SOA
dns1.nsdns.info tech.key-systems.net 2026030508 10800 3600 604800 28800
Primary NS (mname)
dns1.nsdns.info
Admin Email (rname)
tech@key-systems.net
Serial
2026030508
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
28800s
Nameservers (NS)
dns2.nsdns.info
dns3.nsdns.info
dns1.nsdns.info
SPF Record
✓ Strict (-all)
v=spf1 ip4:92.205.51.87 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ 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
4 records- google-site-verification=Di1gwDMCKiluahqgYwZZIF-P7fEKz7Tiy6_SbK8GmNE
- admmmmkdfm2mlght2ie0nrq2u6
- MS=C6E4DED89DB7F1C4EDA2C3F955EFC9801C3C3AD8
- SPFv=spf1 ip4:92.205.51.87 include:spf.protection.outlook.com -all
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