Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mercico.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-29 10:23:50 UTC · ↺ Refresh
MX Hostnames
- mercico-com.mail.protection.outlook.com
MX Priorities
- mercico-com.mail.protection.outlook.com: 0
A / AAAA Records
- 45.169.253.53 (no PTR)
Mail Server IPs
- 52.101.8.46 ↩ mail-dm6pr05cu00406.inbound.protection.outlook.com
- 52.101.194.4 ↩ mail-ch4pr04cu00104.inbound.protection.outlook.com
- 52.101.50.1 ↩ mail-co1pr05cu00401.inbound.protection.outlook.com
- 52.101.41.3 ↩ mail-sj2pr05cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c936:: ↩ mail-cy1pr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:f908::2 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 2a01:111:f403:f802::3 ↩ mail-sj0pr03cu01403.inbound.protection.outlook.com
- 2a01:111:f403:f905::3 ↩ mail-dm5pr02cu00203.inbound.protection.outlook.com
SOA Record
Raw SOA
ns0.nameservices.net ns1.nameservices.net 2025031803 28800 7200 604800 86400
Primary NS (mname)
ns0.nameservices.net
Admin Email (rname)
ns1@nameservices.net
Serial
2025031803
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns1.nameservices.net
ns0.nameservices.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- ms=6e3497c6541e5ba8b4471c070648d2a1c2a778d1
- SPFv=spf1 include:spf.protection.outlook.com -all
- test_tecinf
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