Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ceisystems.it
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 09:58:20 UTC · ↺ Refresh
MX Hostnames
- ceisystems-it.mail.protection.outlook.com
MX Priorities
- ceisystems-it.mail.protection.outlook.com: 0
A / AAAA Records
- 139.162.165.54 ↩ ceisystems.it
Mail Server IPs
- 52.101.103.0 ↩ mail-mi0p293cu00200.inbound.protection.outlook.com
- 52.101.103.1 ↩ mail-mi1p293cu00301.inbound.protection.outlook.com
- 52.101.103.19 ↩ mail-mi0p293cu00503.inbound.protection.outlook.com
- 52.101.103.2 ↩ mail-mi2p293cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca48:: ↩ mail-mi0p293cu00200.inbound.protection.outlook.com
- 2a01:111:f403:ca48::2 ↩ mail-mi2p293cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca48::3 ↩ mail-mi0p293cu00503.inbound.protection.outlook.com
- 2a01:111:f403:ca48::1 ↩ mail-mi1p293cu00301.inbound.protection.outlook.com
SOA Record
Raw SOA
ns3.nacciohost.com root.ceisystems.it 2025041001 7200 3600 1209600 180
Primary NS (mname)
ns3.nacciohost.com
Admin Email (rname)
root@ceisystems.it
Serial
2025041001
Refresh
7200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s
Nameservers (NS)
ns3.nacciohost.com
ns4.nacciohost.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com ip4:139.162.165.54 ip4:95.110.170.12 ip4:194.233.166.246 -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 64 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- MS=ms87765757
- SPFv=spf1 include:spf.protection.outlook.com ip4:139.162.165.54 ip4:95.110.170.12 ip4:194.233.166.246 -all
- google-site-verification=szxoHBIFMIndDuj4OC3UvCg9c6p2DfYpjo4YOZC4MVU
Full email verification for ceisystems.it
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