Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cerebrito.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 09:49:12 UTC · ↺ Refresh
MX Hostnames
- mail.cerebrito.com
- mx.cerebrito.com
MX Priorities
- mail.cerebrito.com: 20
- mx.cerebrito.com: 10
A / AAAA Records
- 34.23.225.240 ↩ cp.cerebrito.com
Mail Server IPs
- 34.23.225.240 ↩ cp.cerebrito.com
SOA Record
Raw SOA
ns1.cerebrito.com dayan.cerebrito.com 2026030401 3600 1800 1209600 86400
Primary NS (mname)
ns1.cerebrito.com
Admin Email (rname)
dayan@cerebrito.com
Serial
2026030401
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns1.cerebrito.com
ns2.cerebrito.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:34.23.225.240 include:birdsend.email +mx -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; adkim=r; aspf=r; pct=100; fo=0; rf=afrf; ri=86400; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: reject
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- google-site-verification=dnWTJEgEGkZdN4d1b5UV2zc_CCJbFYzPl6223mSHj1g
- SPFv=spf1 ip4:34.23.225.240 include:birdsend.email +mx -all
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