Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
centroeleia.edu.mx
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 08:39:12 UTC · ↺ Refresh
MX Hostnames
- mail.centroeleia.edu.mx
- tabata.centroeleia.edu.mx
MX Priorities
- tabata.centroeleia.edu.mx: 0
- mail.centroeleia.edu.mx: 0
A / AAAA Records
- 178.63.189.243 ↩ enid.centroeleia.edu.mx
Mail Server IPs
- 178.63.217.120 ↩ tabata.centroeleia.edu.mx
SOA Record
Raw SOA
daniella.ns.cloudflare.com dns.cloudflare.com 2397632279 10000 2400 604800 1800
Primary NS (mname)
daniella.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397632279
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
daniella.ns.cloudflare.com
randall.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:178.63.217.120 ip4:178.63.217.118 ip4:158.69.194.250 ip4:178.63.217.119 include:sendgrid.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; adkim=r; aspf=r; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 3 found
dkim._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: dkim
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- SPFv=spf1 a mx ip4:178.63.217.120 ip4:178.63.217.118 ip4:158.69.194.250 ip4:178.63.217.119 include:sendgrid.net -all
- google-site-verification=TmOpofYbD4BP6oS-jOkiZEEdBZHSmeAMvWF8Fn59IVU
- google-site-verification=bDjnYE3s-VRTyPtDf04kk4e9JV8eLXMRRFk9VsREjUA
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