Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
schooladvisor.com.br
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 04:21:05 UTC · ↺ Refresh
MX Hostnames
- alt4.aspmx.l.google.com
- alt2.aspmx.l.google.com
- aspmx.l.google.com
MX Priorities
- alt4.aspmx.l.google.com: 10
- aspmx.l.google.com: 1
- alt2.aspmx.l.google.com: 5
A / AAAA Records
- 3.214.132.93 ↩ ec2-3-214-132-93.compute-1.amazonaws.com
Mail Server IPs
- 173.194.76.26 ↩ ws-in-f26.1e100.net
- 2a00:1450:400c:c00::1b ↩ ws-in-f27.1e100.net
- 172.253.122.26 ↩ bh-in-f26.1e100.net
- 2607:f8b0:4004:c06::1b ↩ bg-in-f27.1e100.net
- 172.253.116.27 ↩ dj-in-f27.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
SOA Record
Raw SOA
e.sec.dns.br hostmaster.registro.br 2026073000 86400 900 604800 900
Primary NS (mname)
e.sec.dns.br
Admin Email (rname)
hostmaster@registro.br
Serial
2026073000
Refresh
86400s
Retry
900s
Expire
604800s
Minimum TTL
900s
Nameservers (NS)
f.sec.dns.br
e.sec.dns.br
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.schooladvisor.com.br include:_spf.rdstation.com.br include:sendgrid.net ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; rf=afrf; pct=100
⚠ p=none — monitoring only, no enforcement
📋 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- google-site-verification=jsZyWBggJk8Dk7DS-V4i7ryqn7NBWAx7NSKv8oGgQBE
- SPFv=spf1 include:_spf.schooladvisor.com.br include:_spf.rdstation.com.br include:sendgrid.net ~all
- facebook-domain-verification=iusrepv88w0fzba71d3o7lle9zg8yv
- google-site-verification=Ikz5iiXhs0qj6Gy1PefiKiI1idCFWs1WBIR8ubwPtkg
Full email verification for schooladvisor.com.br
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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