Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
usc.es
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-21 01:28:27 UTC · ↺ Refresh
MX Hostnames
- usc-es.mail.protection.outlook.com
MX Priorities
- usc-es.mail.protection.outlook.com: 0
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
- 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
- 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
- 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
- 2a01:111:f403:ca09::d ↩ mail-as9pr05cu01305.inbound.protection.outlook.com
- 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com
- 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
SOA Record
Raw SOA
secus.usc.es dnsmaster.usc.es 2026032000 43200 7200 2419200 7200
Primary NS (mname)
secus.usc.es
Admin Email (rname)
dnsmaster@usc.es
Serial
2026032000
Refresh
43200s
Retry
7200s
Expire
2419200s
Minimum TTL
7200s
Nameservers (NS)
dns2.usc.es
sun.rediris.es
secus.usc.es
chico.rediris.es
SPF Record
✓ Strict (-all)
v=spf1 ip4:193.144.75.0/24 include:spf.protection.outlook.com include:spf-eu.exlibrisgroup.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; fo=1; rua=mailto:[email protected]; ruf=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
5 records- GnhtcpcxGJTNN61vdKpY25ZOoSTlpmF1E8GW07ThA1FO3IQKb+sc0bamXltvzbynimnwPcD+AlI6V5FHYRcHOA==
- SPFv=spf1 ip4:193.144.75.0/24 include:spf.protection.outlook.com include:spf-eu.exlibrisgroup.com -all
- MS=ms80262693
- HARICA-RlemffMxGig9vi2U66t
- google-site-verification=KOuSqxZGKcs2ewmVSMliAZY6YH9B6DIlnAOMgjuSKlE
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