coldtech.com.br

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

Domain Overview

DNS: ⚡ live Checker: ⚡ live
coldtech.com.br
Yes
✓ Yes
Zoho
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-21 01:00:03 UTC · ↺ Refresh

MX Hostnames

  • mx2.zoho.com
  • mx.zoho.com
  • mx3.zoho.com

MX Priorities

No priority data.

A / AAAA Records

  • 213.190.6.240

Mail Server IPs

No IPs resolved.

SOA Record

No SOA record found.

Nameservers (NS)

cdns1.main-hosting.eu
cdns2.main-hosting.eu

SPF Record

✓ Soft Fail (~all)
v=spf1 include:zoho.com include:relay.mailchannels.net ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

2 records
  • SPFv=spf1 include:zoho.com include:relay.mailchannels.net ~all
  • SPFv=spf1 a mx ip4:213.190.6.200 include:relay.mailchannels.net ~all
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