holdec.com.ar

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
holdec.com.ar
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-04-04 13:41:15 UTC · ↺ Refresh

MX Hostnames

  • holdec-com-ar.mail.protection.outlook.com

MX Priorities

  • holdec-com-ar.mail.protection.outlook.com: 0

A / AAAA Records

  • 208.77.22.107 ↩ coni10.coninfo.net

Mail Server IPs

  • 52.101.41.183 ↩ mail-byapr04cu00307.inbound.protection.outlook.com
  • 52.101.9.17 (no PTR)
  • 52.101.9.0 ↩ mail-bl2pr02cu00100.inbound.protection.outlook.com
  • 52.101.9.26 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
  • 2a01:111:f403:c946::6 ↩ mail-ch5pr02cu00406.inbound.protection.outlook.com
  • 2a01:111:f403:f802::2 ↩ mail-sj2pr05cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:f908:: ↩ mail-bn1pr21cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:f908::2 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.coninfo.net coni1.coninfotv.com 2026030604 3600 1800 1209600 86400
Primary NS (mname)
ns1.coninfo.net
Admin Email (rname)
coni1@coninfotv.com
Serial
2026030604
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns2.coninfo.net
ns1.coninfo.net

SPF Record

✓ Strict (-all)
v=spf1 ip4:68.235.63.240/29 ip4:208.77.22.104/29 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✗ None detected

No 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

1 record
  • SPFv=spf1 ip4:68.235.63.240/29 ip4:208.77.22.104/29 include:spf.protection.outlook.com -all
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