Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
csein.com.mx
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-31 07:22:24 UTC · ↺ Refresh
MX Hostnames
- csein.com.mx
MX Priorities
- csein.com.mx: 0
A / AAAA Records
- 148.72.155.155 ↩ host.mdcsrv2.com
Mail Server IPs
- 148.72.155.155 ↩ host.mdcsrv2.com
SOA Record
Raw SOA
ns1.mdcsrv2.com srv.mdcsrv.com 2026021300 3600 1800 1209600 86400
Primary NS (mname)
ns1.mdcsrv2.com
Admin Email (rname)
srv@mdcsrv.com
Serial
2026021300
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns2.mdcsrv2.com
ns1.mdcsrv2.com
SPF Record
✓ Strict (-all)
v=spf1 +a +mx +ip4:148.72.155.155 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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- MS=8D1BA0526A23772D7A6CA62E4DCB8DA5034C73BA
- SPFv=spf1 +a +mx +ip4:148.72.155.155 -all
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