Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
polimi.it
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 16:12:43 UTC · ↺ Refresh
MX Hostnames
- polimi-it.mail.protection.outlook.com
MX Priorities
- polimi-it.mail.protection.outlook.com: 0
A / AAAA Records
- 131.175.187.72 ↩ www.polimi.it
Mail Server IPs
- 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
- 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
- 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
- 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
- 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com
- 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com
- 2a01:111:f403:ca09::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com
SOA Record
Raw SOA
ns.polimi.it root.ns.polimi.it 2020007263 21600 3600 604800 86400
Primary NS (mname)
ns.polimi.it
Admin Email (rname)
root@ns.polimi.it
Serial
2020007263
Refresh
21600s
Retry
3600s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns.polimi.it
dns.cineca.it
ns2.polimi.it
SPF Record
✓ Strict (-all)
v=spf1 ip4:131.175.12.10 ip4:131.175.12.100 ip4:131.175.12.18 ip4:131.175.12.21 ip4:131.175.12.24 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; sp=quarantine; rua=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
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
8 records- HARICA-86UbTh32x15i7oL0mRR
- SPFv=spf1 ip4:131.175.12.10 ip4:131.175.12.100 ip4:131.175.12.18 ip4:131.175.12.21 ip4:131.175.12.24 include:spf.protection.outlook.com -all
- docusign=5f6882ea-2c1e-4e83-9d14-4226ee3f2bd5
- openai-domain-verification=dv-7tvfMQGWUMpcvaicmODogf2r
- google-site-verification=hlcw8x--vXTMo3i8Wc0txNECB8RGDtUsMwbD_1Y-s4s
- cisco-ci-domain-verification=282325f6612e5ee5cf0fa640c7bed93bc9ddd356fc7b9cd4bcfb2020885100d9
- autodesk-domain-verification=zRla15F4fagBegAFTvUs
- 7gw7tct9fm6f4tcs1b0mp9qbxr4ln382
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