Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
una.cr
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-05-21 00:30:16 UTC · ↺ Refresh
MX Hostnames
- aspmx2.googlemail.com
- aspmx3.googlemail.com
- alt3.aspmx.l.google.com
- alt4.aspmx.l.google.com
- alt2.aspmx.l.google.com
- alt1.aspmx.l.google.com
- aspmx.l.google.com
- aspmx5.googlemail.com
- aspmx4.googlemail.com
MX Priorities
No priority data.
A / AAAA Records
- 74.125.43.121
Mail Server IPs
No IPs resolved.
SOA Record
No SOA record found.
Nameservers (NS)
ns6.una.ac.cr
ns2.una.ac.cr
ns.una.ac.cr
ns3.una.ac.cr
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:45.162.204.180 ip4:45.162.204.179 ip4:45.162.204.42 ip4:45.162.204.40 ip4:45.162.205.66 include:_spf.google.com include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject;sp=reject;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected];ri=86400;aspf=s;adkim=s;fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 1 found
google._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- SPFv=spf1 a mx ip4:45.162.204.180 ip4:45.162.204.179 ip4:45.162.204.42 ip4:45.162.204.40 ip4:45.162.205.66 include:_spf.google.com include:spf.protection.outlook.com -all
- duo_sso_verification=GUG6OUcYPGVpBn8O7LdqEphwnwRKDeTCKvcR1EZMohRRq5rrrXLXJETWfaxK7u33
- google-site-verification=sI28Pt0mmK7JK9840OQbD9X7_80Do3nkpxI0jAE-TUg
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