Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ulead.ac.cr
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-31 05:55:23 UTC · ↺ Refresh
MX Hostnames
- ulead-ac-cr.mail.protection.outlook.com
MX Priorities
- ulead-ac-cr.mail.protection.outlook.com: 0
A / AAAA Records
- 35.171.229.79 ↩ ec2-35-171-229-79.compute-1.amazonaws.com
Mail Server IPs
- 52.101.9.0 ↩ mail-bl2pr02cu00100.inbound.protection.outlook.com
- 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
- 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 52.101.42.16 ↩ mail-co1pr05cu00300.inbound.protection.outlook.com
- 2a01:111:f403:f802::1 ↩ mail-sj2pr05cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c946::2 ↩ mail-ch4pr04cu00102.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-394.awsdns-49.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-394.awsdns-49.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1852.awsdns-39.co.uk
ns-394.awsdns-49.com
ns-997.awsdns-60.net
ns-1522.awsdns-62.org
SPF Record
✓ Soft Fail (~all)
v=spf1 include:zcsend.net include:one.zoho.com include:zoho.com include:zohocrm.com include:amazonses.com include:transmail.net include:spf.protection.outlook.com ~all
📊 DNS lookups: 7/10
~ Soft fail (~all) — moderate 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
✓ 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- google-site-verification=IsR1P280p4lfVuy74EmqGOMo_J0NWwqrmKocpGqe338
- SPFv=spf1 include:zcsend.net include:one.zoho.com include:zoho.com include:zohocrm.com include:amazonses.com include:transmail.net include:spf.protection.outlook.com ~all
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