Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
saarbourgdesign.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 12:08:09 UTC · ↺ Refresh
MX Hostnames
- saarbourgdesign-de.mail.protection.outlook.com
MX Priorities
- saarbourgdesign-de.mail.protection.outlook.com: 10
A / AAAA Records
- 91.241.44.103 ↩ ww3.nlab-hosting.de
Mail Server IPs
- 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
- 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
- 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
- 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
- 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com
- 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
- 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
SOA Record
Raw SOA
ns3.netzlaboranten.de admin.nlab-hosting.de 2026032301 10800 3600 604800 10800
Primary NS (mname)
ns3.netzlaboranten.de
Admin Email (rname)
admin@nlab-hosting.de
Serial
2026032301
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
10800s
Nameservers (NS)
ns0.netzlaboranten.de
ns3.netzlaboranten.de
SPF Record
✓ Strict (-all)
v=spf1 +a +mx +a:ww3.nlab-hosting.de include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; adkim=s; aspf=s
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 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
1 record- SPFv=spf1 +a +mx +a:ww3.nlab-hosting.de include:spf.protection.outlook.com -all
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