Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cemposa.mx
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-29 12:34:02 UTC · ↺ Refresh
MX Hostnames
- mail.protection.sas-iaas.info
- mail.protection.sas-iaas.net
- mail.protection.sas-iaas.org
- mail.protection.sas-iaas.com
MX Priorities
- mail.protection.sas-iaas.info: 40
- mail.protection.sas-iaas.com: 10
- mail.protection.sas-iaas.net: 20
- mail.protection.sas-iaas.org: 30
A / AAAA Records
- 15.204.86.95 ↩ vps-cemposa.sas-iaas.net
Mail Server IPs
- 38.89.254.156 ↩ fe1-r2-in.ch03.l.antispamcloud.com
- 2001:550:2:61::2fc:100 (no PTR)
- 38.71.16.244 ↩ fe2-r2-in.la10.l.antispamcloud.com
- 2001:550:2:3::62:100 ↩ fe2-r2-in.la10.l.antispamcloud.com
- 38.101.250.150 ↩ fe3-r2-in.atl06.l.antispamcloud.com
- 2001:550:2:78::ca:100 ↩ fe3-r2-in.atl06.l.antispamcloud.com
SOA Record
Raw SOA
ns1-36.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-36.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns2-36.azure-dns.net
ns3-36.azure-dns.org
ns4-36.azure-dns.info
ns1-36.azure-dns.com
SPF Record
✓ Strict (-all)
v=spf1 a:mail.cemposa.mx ip4:187.188.86.213 ip4:189.203.143.172 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
✓ 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
1 record- SPFv=spf1 a:mail.cemposa.mx ip4:187.188.86.213 ip4:189.203.143.172 -all
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