Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
us.costa.it
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-06-15 23:46:06 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
- 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
- 52.101.8.44 ↩ mail-dm5pr04cu00104.inbound.protection.outlook.com
- 52.101.41.28 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 52.101.9.21 ↩ mail-bl2pr04cu00205.inbound.protection.outlook.com
- 2a01:111:f403:c922::1 ↩ mail-bl0pr05cu00501.inbound.protection.outlook.com
- 2a01:111:f403:c927::1 ↩ mail-bn8pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c92c::4 ↩ mail-dm6pr05cu00404.inbound.protection.outlook.com
- 2a01:111:f403:f901::2 ↩ mail-bl2pr02cu00402.inbound.protection.outlook.com
SOA Record
No SOA record found.
Nameservers (NS)
No nameservers found.
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:216.92.192.145 include:spf.protection.outlook.com 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: 2/10
~ 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
4 records- atlassian-domain-verification=V/jfCsCdRPrlCkR2j2BYMpnFoKmQtxRy4SyEGB9JcUqzYwFxuPAxXh3ANmTbga1J
- SPFv=spf1 ip4:216.92.192.145 include:spf.protection.outlook.com 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
- Dynatrace-site-verification=6ca8ffaf-f5dd-44c2-bed0-544f034181c8__o1vrbb2porugu07gt73unaebp3
- cisco-ci-domain-verification=582f3b80a4967f89047c66df4010910849201fbd28a510a1f2ce62d46fbf2432
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 us.costa.it
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits