Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sued-hansa.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 04:45:27 UTC · ↺ Refresh
MX Hostnames
- suedhansa-de01b.mail.protection.outlook.com
MX Priorities
- suedhansa-de01b.mail.protection.outlook.com: 10
A / AAAA Records
- 198.202.211.1 (no PTR)
Mail Server IPs
- 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
- 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
- 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
- 52.101.73.28 ↩ mail-am7pr05cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com
- 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
- 2a01:111:f403:ca09::e ↩ mail-am7pr05cu00206.inbound.protection.outlook.com
SOA Record
Raw SOA
zonemaster.rz.sicor-kdl.net hostmaster.sicor.net 2025102000 28800 7200 604800 86400
Primary NS (mname)
zonemaster.rz.sicor-kdl.net
Admin Email (rname)
hostmaster@sicor.net
Serial
2025102000
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns2.sicor.net
ns1.sicor-kdl.net
ns2.sicor-kdl.net
ns1.sicor.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:24.134.226.165 include:spf.protection.outlook.com a mx:mgw04.rz.sicor-kdl.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- MS=ms26254597
- SPFv=spf1 ip4:24.134.226.165 include:spf.protection.outlook.com a mx:mgw04.rz.sicor-kdl.net -all
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