Domain Overview
DNS: ✓ 20d ago
Checker: ✓ 20d ago
lubo.nl
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-05-21 17:44:57 UTC · ↺ Refresh
MX Hostnames
- lubo-nl.mail.protection.outlook.com
MX Priorities
- lubo-nl.mail.protection.outlook.com: 0
A / AAAA Records
- 86.105.244.1 ↩ webhosting.transip.nl
- 2a01:7c8:e100:1::50a0 ↩ webhosting.transip.nl
Mail Server IPs
- 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
- 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
- 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
- 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
- 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
- 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
SOA Record
Raw SOA
ns0.transip.net hostmaster.transip.nl 2026031503 86400 1800 2419200 300
Primary NS (mname)
ns0.transip.net
Admin Email (rname)
hostmaster@transip.nl
Serial
2026031503
Refresh
86400s
Retry
1800s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns1.transip.nl
ns2.transip.eu
ns0.transip.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.eprov.eu -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected];
✓ Reject — strongest protection
📋 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
4 records- "MS=ms61366836"
- nsauth1.iwink.nl. hostmaster.iwink.nl. 2021091601 7200 600 604800 1800
- autodesk-domain-verification=SGZZ-YrUrWsmmmpAGMyU
- SPFv=spf1 include:spf.protection.outlook.com include:spf.eprov.eu -all
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