Domain Overview
DNS: ✓ 1mo ago
Checker: ✓ 1mo ago
lsystem.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-06 14:50:24 UTC · ↺ Refresh
MX Hostnames
- lsystem-de.mail.protection.outlook.com
MX Priorities
- lsystem-de.mail.protection.outlook.com: 10
A / AAAA Records
- 217.160.0.121 ↩ 217-160-0-121.elastic-ssl.ui-r.com
Mail Server IPs
- 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
- 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
- 52.101.68.0 ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
- 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
- 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
- 2a01:111:f403:ca09::e ↩ mail-am7pr05cu00206.inbound.protection.outlook.com
- 2a01:111:f403:ca09::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.vegasystems.de hostmaster.vegasystems.de 2026021017 36000 3600 604800 86400
Primary NS (mname)
ns1.vegasystems.de
Admin Email (rname)
hostmaster@vegasystems.de
Serial
2026021017
Refresh
36000s
Retry
3600s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns1.vegasystems.de
ns2.vegasystems.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:80.70.184.100 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
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
2 records- zone-ownership-verification-4daa8960ad346a7c36e982ce5807171cb61cf23017f9422ae65b6d4c3e967d19
- SPFv=spf1 ip4:80.70.184.100 include:spf.protection.outlook.com -all
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