constructoresunidos.com

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
constructoresunidos.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-24 19:12:11 UTC · ↺ Refresh

MX Hostnames

  • constructoresunidos-com.mail.protection.outlook.com

MX Priorities

  • constructoresunidos-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 198.23.60.24 ↩ morekreativity.com

Mail Server IPs

  • 52.101.42.18 ↩ mail-co1pr03cu00302.inbound.protection.outlook.com
  • 52.101.10.1 ↩ mail-bn6pr02cu00301.inbound.protection.outlook.com
  • 52.101.41.26 ↩ mail-sj0pr03cu01702.inbound.protection.outlook.com
  • 52.101.9.21 ↩ mail-bl2pr04cu00205.inbound.protection.outlook.com
  • 2a01:111:f403:c802:: ↩ mail-cy4pr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c902::1 ↩ mail-sj2pr05cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:f90f:: ↩ mail-sa9pr04cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c91d::b ↩ mail-mw2pr02cu00603.inbound.protection.outlook.com

SOA Record

Raw SOA dns1.supremepanel.com germanhernandez.icloud.com 2026032405 3600 1800 1209600 86400
Primary NS (mname)
dns1.supremepanel.com
Admin Email (rname)
germanhernandez@icloud.com
Serial
2026032405
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

dns2.supremepanel.com
dns3.supremepanel.com
dns1.supremepanel.com
dns4.supremepanel.com

SPF Record

✓ Strict (-all)
v=spf1 +a +mx +ip4:198.23.59.54 +ip4:198.23.60.24 +ip4:198.23.60.106 +include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 1 found
default._domainkey
✓ Public key: 168 chars (valid)
✓ DKIM properly configured for selector: default

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

2 records
  • SPFv=spf1 +a +mx +ip4:198.23.59.54 +ip4:198.23.60.24 +ip4:198.23.60.106 +include:spf.protection.outlook.com -all
  • MS=ms60361422
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