asistoingenieria.com

Valid Email Server
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

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

Checked via [email protected] · 2026-07-01 09:02:18 UTC · ↺ Refresh

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MX Hostnames

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

MX Priorities

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

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

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

SOA Record

Raw SOA ns11.telmexla.net.co internet.telmexla.net.co 2020111701 1200 7200 1209600 300
Primary NS (mname)
ns11.telmexla.net.co
Admin Email (rname)
internet@telmexla.net.co
Serial
2020111701
Refresh
1200s
Retry
7200s
Expire
1209600s
Minimum TTL
300s

Nameservers (NS)

ns11.telmexla.net.co
ns2.telmexla.net.co

SPF Record

✓ Soft Fail (~all)
v=spf1 include:telmexla.net.co ip4:200.26.137.31/24 ip4:181.48.12.0/24 ip4:190.143.76.112/28 ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate 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

3 records
  • SPFv=spf1 include:telmexla.net.co ip4:200.26.137.31/24 ip4:181.48.12.0/24 ip4:190.143.76.112/28 ~all
  • SPFv=spf1 ip4:200.26.137.0/24 ip4:181.48.12.0/24 ip4:190.143.76.112/28 ip4:190.144.150.32/28 ~all
  • SPFv=spf1 include:telmexla.net.co ip4:200.26.137.31/24 ip4:181.48.12.0/24 ip4:190.143.76.112/28 -all
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