Domain Overview
DNS: ✓ 1h ago
Checker: ✓ 1h ago
cortina.com.mx
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-09-23 02:32:57 UTC · ↺ Refresh
MX Hostnames
- mail.cortina.com.mx
MX Priorities
- mail.cortina.com.mx: 0
A / AAAA Records
- 68.66.229.184 ↩ server.grupocortina.com.mx
Mail Server IPs
- 68.66.229.184 ↩ server.grupocortina.com.mx
SOA Record
Raw SOA
ns6866229184.a2dns.com marista.grupocortina.com.mx 2026090101 3600 1800 1209600 86400
Primary NS (mname)
ns6866229184.a2dns.com
Admin Email (rname)
marista@grupocortina.com.mx
Serial
2026090101
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns6866229184.a2dns.com
ns6866229183.a2dns.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:68.66.229.184 include:spf.brevo.com include:_spf.google.com include:spf.protection.outlook.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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 ip4:68.66.229.184 include:spf.brevo.com include:_spf.google.com include:spf.protection.outlook.com ~all
- brevo-code:70410f404f6affbc7d59311d59dfc853
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