columbus.com.mx

Valid Email Server
Domain Lookup › columbus.com.mx
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
columbus.com.mx
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-09-23 09:59:53 UTC · ↺ Refresh

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MX Hostnames

  • mx1.pangia.biz
  • mx2.pangia.biz

MX Priorities

  • mx1.pangia.biz: 10
  • mx2.pangia.biz: 10

A / AAAA Records

  • 34.36.84.236 ↩ 236.84.36.34.bc.googleusercontent.com

Mail Server IPs

  • 35.167.34.51 ↩ ec2-35-167-34-51.us-west-2.compute.amazonaws.com
  • 34.226.24.72 ↩ ec2-34-226-24-72.compute-1.amazonaws.com
  • 44.237.12.42 ↩ ec2-44-237-12-42.us-west-2.compute.amazonaws.com
  • 54.88.152.217 ↩ ec2-54-88-152-217.compute-1.amazonaws.com

SOA Record

Raw SOA dns.alestra.net.mx soporteip.axtel.com.mx 762215069 10800 3600 1209600 3600
Primary NS (mname)
dns.alestra.net.mx
Admin Email (rname)
soporteip@axtel.com.mx
Serial
762215069
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

mail1.alestra.net.mx
mail2.alestra.net.mx
dns.alestra.net.mx

SPF Record

✗ Missing

No SPF record — domain is unprotected against spoofing.

⚠ No SPF record found. Email servers cannot verify authorized senders.

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
  • v = spf1 ip4: 69.26.182.242 ip4: 216.152.255.0/24 ip4: 69.26.182.10 ip4: 209.67.128.0/24 ip4: 74.202.139.0/24 ip4: 74.202.142.0/24 ip4: 74.202.15.0/24 ip4: 64.191.223.0/24 ip4: 65.74.168.0/24 ip4: 216.163.188.0/24 mx -all
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