Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
koldaire.net
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 19:35:26 UTC · ↺ Refresh
MX Hostnames
- koldaire-net.mail.protection.outlook.com
MX Priorities
- koldaire-net.mail.protection.outlook.com: 10
A / AAAA Records
- 107.180.102.9 ↩ 9.102.180.107.host.secureserver.net
Mail Server IPs
- 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
- 52.101.42.18 ↩ mail-co1pr03cu00302.inbound.protection.outlook.com
- 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
- 52.101.11.2 ↩ mail-sn1pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:c946::7 ↩ mail-ch5pr02cu00307.inbound.protection.outlook.com
- 2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com
- 2a01:111:f403:f90f::1 ↩ mail-sa9pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c922::2 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.sitelutions.com jsr.dabluebox.com 26 28000 7200 604800 1
Primary NS (mname)
ns1.sitelutions.com
Admin Email (rname)
jsr@dabluebox.com
Serial
26
Refresh
28000s
Retry
7200s
Expire
604800s
Minimum TTL
1s
Nameservers (NS)
ns2.sitelutions.com
ns3.sitelutions.com
ns4.sitelutions.com
ns1.sitelutions.com
ns5.sitelutions.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1; rua=mailto:[email protected]; ruf=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: 392 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- SPFv=spf1 include:spf.protection.outlook.com -all
- MS=ms20335949
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