Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cnmexico.com.mx
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-01 04:01:01 UTC · ↺ Refresh
MX Hostnames
- d344764a.ess.barracudanetworks.com
- d344764b.ess.barracudanetworks.com
MX Priorities
- d344764b.ess.barracudanetworks.com: 20
- d344764a.ess.barracudanetworks.com: 10
A / AAAA Records
- 23.239.21.92 ↩ reverse.toolcn.mx
Mail Server IPs
- 209.222.82.255 ↩ mail.ess.barracuda.com
- 209.222.82.252 ↩ mail.ess.barracuda.com
- 209.222.82.253 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
david.ns.cloudflare.com dns.cloudflare.com 2398719885 10000 2400 604800 1800
Primary NS (mname)
david.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398719885
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
naomi.ns.cloudflare.com
david.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx ip4:201.163.226.4 ip4:23.239.21.92 ip4:201.161.11.211/32 ip4:72.14.178.108/32 ip4:201.161.11.214/32 ip4:201.161.11.213/32 ip4:174.142.93.180 ip4:201.163.226.2 ip4:201.163.226.3 ip4:201.163.226.4 a:mail.cnmexico.com.mx include:spf.ess.barracudanetworks.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
V=DMARC1; p=quarantine;
~ Quarantine — good protection (failing mail goes to spam)
📋 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
4 records- SPFv=spf1 a mx ip4:201.163.226.4 ip4:23.239.21.92 ip4:201.161.11.211/32 ip4:72.14.178.108/32 ip4:201.161.11.214/32 ip4:201.161.11.213/32 ip4:174.142.93.180 ip4:201.163.226.2 ip4:201.163.226.3 ip4:201.163.226.4 a:mail.cnmexico.com.mx include:spf.ess.barracudanetworks.com ~all
- MS=E6D1B57F76B23E6C47490C103687B044FC462ABD
- google-site-verification=M9j8nsp85ShEo9U90gHcHWjalblOxMdOFgOv-8aM3XQ
- google-site-verification=VLK74kfdei3HoBgszs2hDMWCGs4SsnJo1Htf44LSi4g
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