Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
concentra.com.mx
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-01 02:00:41 UTC · ↺ Refresh
MX Hostnames
- concentra.com.mx
MX Priorities
- concentra.com.mx: 0
A / AAAA Records
- 66.117.15.53 (no PTR)
Mail Server IPs
- 66.117.15.53 (no PTR)
SOA Record
Raw SOA
ns1.servconfig.com systems-notices.servconfig.com 2026032903 86400 7200 3600000 86400
Primary NS (mname)
ns1.servconfig.com
Admin Email (rname)
systems-notices@servconfig.com
Serial
2026032903
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
ns1.servconfig.com
ns2.servconfig.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:relay.mailchannels.net +ip4:66.117.15.53 +ip4:173.231.204.100 +a +mx include:_spf.google.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none;sp=none;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=86400
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: none
DKIM Selectors
✓ 2 found
google._domainkey
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- google-site-verification=x3tK6eM872xFFUhOVpkmcPpywqe60L3d_n_l49Q4EP0
- SPFv=spf1 include:relay.mailchannels.net +ip4:66.117.15.53 +ip4:173.231.204.100 +a +mx include:_spf.google.com ~all
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