Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
betaeducacao.com.br
No
None
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 01:22:14 UTC · ↺ Refresh
MX Hostnames
No MX records found.
MX Priorities
No priority data.
A / AAAA Records
- 104.21.88.91 (no PTR)
- 172.67.174.178 (no PTR)
- 2606:4700:3031::ac43:aeb2 (no PTR)
- 2606:4700:3035::6815:585b (no PTR)
Mail Server IPs
No IPs resolved.
SOA Record
Raw SOA
iris.ns.cloudflare.com dns.cloudflare.com 2399411757 10000 2400 604800 1800
Primary NS (mname)
iris.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399411757
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
noah.ns.cloudflare.com
iris.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:54.236.90.147 include:_spf.google.com include:_spf.wpcloud.com include:_spf.rdstation.com.br include:sendgrid.net -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;adkim=r;aspf=r; rua=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- SPFv=spf1 ip4:54.236.90.147 include:_spf.google.com include:_spf.wpcloud.com include:_spf.rdstation.com.br include:sendgrid.net -all
- facebook-domain-verification=jo7unhgpoosontfdjuqjgu0enmgify
- google-site-verification=ZUOWNGR7i7_mOsIXzvPq5nXIfjiwbsilCcblB7nf-6c
- google-site-verification=gyC6WOFXzbSKL5nFyCVVLLY1Gp0HN_EzQO-8aCyOhuQ
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