Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ufidelitas.ac.cr
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-01 06:55:44 UTC · ↺ Refresh
MX Hostnames
- ufidelitas-ac-cr.mail.protection.outlook.com
MX Priorities
- ufidelitas-ac-cr.mail.protection.outlook.com: 0
A / AAAA Records
- 52.86.6.211 ↩ ec2-52-86-6-211.compute-1.amazonaws.com
- 52.87.51.167 ↩ ec2-52-87-51-167.compute-1.amazonaws.com
- 18.215.80.161
Mail Server IPs
- 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
- 52.101.41.0 ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 52.101.11.7 ↩ mail-sa9pr04cu00107.inbound.protection.outlook.com
- 52.101.194.0 ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f90b:: ↩ mail-bn6pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c901::1 ↩ mail-bl2pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:f910:: ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 2a01:111:f403:c903::3 ↩ mail-mw2pr02cu00503.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-431.awsdns-53.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-431.awsdns-53.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-431.awsdns-53.com
ns-1012.awsdns-62.net
ns-1284.awsdns-32.org
ns-1664.awsdns-16.co.uk
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.qp-mail.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
mail._domainkey
✓ Public key: 392 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
16 records- google-site-verification=_enOABwLJqE5A67eH3bmon223DJ6JxRZkaNTlvTE600
- google-site-verification=hQbaPQZsgp7AN9OvnemD3IuCLhLkxBArp_SGZvgQD9k
- google-site-verification=pIRAhBRVk4QEaTSFyi4Oa7efAvuikXBsab9WQDuth4E
- https://password.link/WUbsXzlv/#TnhzSlBBJEYjWikoQ3RwQUdT
- k1gb8tihfb36eq00ti291qj9pr
- klaviyo-site-verification=THS5SQ
- openai-domain-verification=dv-QQHVn4fitOmYtyVVD4NPjDMG
- SPFv=spf1 include:_spf.qp-mail.com -all
- SPFv=spf1 ip4:52.1.68.116 include:spf.protection.outlook.com include:email-messaging.com ip4:52.1.255.42 ~all
- 22p23i7ot2f1q8u5sjnn67o6f3
- 32hcakbhtpnah5nateo78gurf0
- MS=ms88748883
- amazonses:lK0yqonk4WHP7U/obuDahyxcU19qbvKu4A5A7QcLm5A=
- brevo-code:41fb32417ad30b8fd6b7661215e1c878
- dk168pjbouhsdp1ktcmgfobf2h
- facebook-domain-verification=6n0oiojaxr1joj8ysb2rbkqbug4qsf
Full email verification for ufidelitas.ac.cr
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