grupo3c.com

Valid Email Server
Domain Lookup › grupo3c.com
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
grupo3c.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-21 10:03:55 UTC · ↺ Refresh

MX Hostnames

  • grupo3c-com.mail.protection.outlook.com

MX Priorities

No priority data.

A / AAAA Records

  • 104.21.23.220
  • 172.67.213.245
  • 2606:4700:3032::ac43:d5f5
  • 2606:4700:3037::6815:17dc

Mail Server IPs

No IPs resolved.

SOA Record

No SOA record found.

Nameservers (NS)

kimora.ns.cloudflare.com
mitchell.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1;p=reject;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected];ri=86400;fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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

4 records
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • bjy37bbtj8t6lyfbj6cyjt4yj4yhw1y0
  • brevo-code:fba996a55833e4461d4d1e1c90718f1b
  • google-site-verification=KmZFMlE-vVDyQuEc8rzIQPAYNX3_JQhsNqeMEdkswZM
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