Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
ar.costa.it
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-06-30 15:49:27 UTC · ↺ Refresh
MX Hostnames
- costa-it.mail.protection.outlook.com
MX Priorities
- costa-it.mail.protection.outlook.com: 5
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 52.101.11.7 ↩ mail-sa9pr04cu00107.inbound.protection.outlook.com
- 52.101.41.183 ↩ mail-byapr04cu00307.inbound.protection.outlook.com
- 52.101.8.46 ↩ mail-dm6pr05cu00406.inbound.protection.outlook.com
- 52.101.8.44 ↩ mail-dm5pr04cu00104.inbound.protection.outlook.com
- 2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com
- 2a01:111:f403:c902::1 ↩ mail-sj2pr05cu00401.inbound.protection.outlook.com
- 2a01:111:f403:f901:: ↩ mail-mn2pr04cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c946::4 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
SOA Record
No SOA record found.
Nameservers (NS)
No nameservers found.
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:_spf.d-documents.it ip4:194.40.208.0/23 ip4:193.150.112.5 ip4:217.221.182.144 ip4:217.220.35.196 a:msspf.smstools.it ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; pct=100
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- SPFv=spf1 include:spf.protection.outlook.com include:_spf.d-documents.it ip4:194.40.208.0/23 ip4:193.150.112.5 ip4:217.221.182.144 ip4:217.220.35.196 a:msspf.smstools.it ~all
- cisco-ci-domain-verification=3d11b8ad5662b2fe9a85a6b67b3120f4ca709bd9a15e7e0872166733a24d2c05
- atlassian-domain-verification=V/jfCsCdRPrlCkR2j2BYMpnFoKmQtxRy4SyEGB9JcUqzYwFxuPAxXh3ANmTbga1J
Free · No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site · Customize →
See demo & docs
Deep verification
Full email verification for ar.costa.it
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits