alcaltda.co

Valid Email Server
Domain Lookup › alcaltda.co

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
alcaltda.co
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-29 10:06:03 UTC · ↺ Refresh

MX Hostnames

  • mx3c76.carrierzone.com
  • mx4c76.carrierzone.com
  • mx2c76.carrierzone.com
  • mx1c76.carrierzone.com

MX Priorities

  • mx1c76.carrierzone.com: 10
  • mx4c76.carrierzone.com: 120
  • mx2c76.carrierzone.com: 100
  • mx3c76.carrierzone.com: 110

A / AAAA Records

  • 69.49.115.40 ↩ hostedc76.carrierzone.com

Mail Server IPs

  • 69.49.115.73 ↩ mx1c76.carrierzone.com
  • 69.49.115.76 ↩ mx4c76.carrierzone.com
  • 69.49.115.74 ↩ mx2c76.carrierzone.com
  • 69.49.115.75 ↩ mx3c76.carrierzone.com

SOA Record

Raw SOA dns1.claro-cloud.net.co sistemas1.alcaltda.com 2992902 14400 7200 2419200 3600
Primary NS (mname)
dns1.claro-cloud.net.co
Admin Email (rname)
sistemas1@alcaltda.com
Serial
2992902
Refresh
14400s
Retry
7200s
Expire
2419200s
Minimum TTL
3600s

Nameservers (NS)

dns1.claro-cloud.net.co
dns2.claro-cloud.net.co

SPF Record

✓ Soft Fail (~all)
v=spf1 a mx include:spfc76.carrierzone.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1;p=none;sp=none;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected];ri=86400;aspf=s;adkim=s;fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Strict · DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none

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 a mx include:spfc76.carrierzone.com ~all
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