Domain Overview
DNS: ✓ 10h ago
Checker: ✓ 10h ago
centro-zaragoza.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-21 06:49:09 UTC · ↺ Refresh
MX Hostnames
- centrozaragoza-com01e.mail.protection.outlook.com
MX Priorities
- centrozaragoza-com01e.mail.protection.outlook.com: 0
A / AAAA Records
- 45.223.101.211 (no PTR)
- 45.223.116.211 (no PTR)
Mail Server IPs
- 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
- 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
- 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
- 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com
- 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
- 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
SOA Record
Raw SOA
dns51.cloudns.net support.cloudns.net 2026052104 7200 1800 1209600 3600
Primary NS (mname)
dns51.cloudns.net
Admin Email (rname)
support@cloudns.net
Serial
2026052104
Refresh
7200s
Retry
1800s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
dns52.cloudns.net
dns53.cloudns.net
dns51.cloudns.net
dns54.cloudns.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:centro-zaragoza.ip-zone.com include:amazonses.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; pct=100; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
2 records- MS=ms12733606
- SPFv=spf1 include:spf.protection.outlook.com include:centro-zaragoza.ip-zone.com include:amazonses.com -all
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