Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mastagni.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-17 22:53:02 UTC · ↺ Refresh
MX Hostnames
- mastagni-com.mail.protection.outlook.com
MX Priorities
- mastagni-com.mail.protection.outlook.com: 0
A / AAAA Records
- 104.24.101.202 (no PTR)
Mail Server IPs
- 52.101.40.24 ↩ mail-cy5pr05cu00100.inbound.protection.outlook.com
- 52.101.9.0 ↩ mail-bl2pr02cu00100.inbound.protection.outlook.com
- 52.101.8.34 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
- 52.101.9.2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c91d:: ↩ mail-mw2pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c946::7 ↩ mail-ch5pr02cu00307.inbound.protection.outlook.com
- 2a01:111:f403:f802:: ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:f90f:: ↩ mail-sa9pr04cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns39.worldnic.com namehost.worldnic.com 125091214 10800 3600 604800 3600
Primary NS (mname)
ns39.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125091214
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns39.worldnic.com
ns40.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com ip4:207.173.192.201 -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
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
4 records- apple-domain-verification=p0es0NtoXlHJxqXc
- c89ba031016ca7d454f0049e4d60a613
- apple-domain-verification=HKIHszRPNjh9vRK65PJ2D7vtMU6-Bh1_dDMvEmGODBI
- SPFv=spf1 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com ip4:207.173.192.201 -all
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