opendc.mx

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
opendc.mx
Yes
โœ“ Yes
Unknown
No
No
โš  Yes
No
No

Checked via [email protected] ยท 2026-04-02 23:59:35 UTC ยท โ†บ Refresh

MX Hostnames

  • mx2.hc5578-61.iphmx.com
  • mx1.hc5578-61.iphmx.com

MX Priorities

  • mx2.hc5578-61.iphmx.com: 0
  • mx1.hc5578-61.iphmx.com: 0

A / AAAA Records

  • 207.248.236.87 โ†ฉ static-207-248-236-87.alestra.net.mx

Mail Server IPs

  • 216.71.152.17 โ†ฉ esa1.hc5578-61.iphmx.com
  • 216.71.154.25 โ†ฉ esa2.hc5578-61.iphmx.com

SOA Record

Raw SOA pdns03.domaincontrol.com dns.jomax.net 2026022500 28800 7200 604800 600
Primary NS (mname)
pdns03.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026022500
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

pdns03.domaincontrol.com
pdns04.domaincontrol.com

SPF Record

โœ“ Strict (-all)
v=spf1 ip4:216.71.146.169 ip4:216.71.145.202 exists:%{i}.spf.hc5578-61.iphmx.com include:spf.protection.outlook.com -all
๐Ÿ“Š DNS lookups: 2/10
โœ“ Hard fail (-all) โ€” strict enforcement

DMARC Record

โœ— Missing

No DMARC record โ€” emails cannot be rejected on auth failure.

DKIM Selectors

โœ— None detected

No DKIM records found for common selectors โ€” 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 ip4:216.71.146.169 ip4:216.71.145.202 exists:%{i}.spf.hc5578-61.iphmx.com include:spf.protection.outlook.com -all
Full email verification for opendc.mx

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits