Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
summitschool.com.br
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 21:51:03 UTC · ↺ Refresh
MX Hostnames
- mx-vip-02.kinghost.net
- mx-vip-01.kinghost.net
MX Priorities
- mx-vip-02.kinghost.net: 5
- mx-vip-01.kinghost.net: 5
A / AAAA Records
- 191.6.223.206 ↩ wp10f02.kinghost.net
- 2804:10:8010::223:206 ↩ wp10f02.kinghost.net
Mail Server IPs
- 191.6.216.39 ↩ mx-vip-02-farm16.kinghost.net
- 2804:10:8016::216:39 ↩ mx-vip-02-farm16.kinghost.net
- 191.6.216.38 ↩ mx-vip-01-farm16.kinghost.net
- 2804:10:8016::216:38 ↩ mx-vip-01-farm16.kinghost.net
SOA Record
Raw SOA
dns1.kinghost.com.br abuse.kinghost.net 2403060860 86400 14400 604800 3600
Primary NS (mname)
dns1.kinghost.com.br
Admin Email (rname)
abuse@kinghost.net
Serial
2403060860
Refresh
86400s
Retry
14400s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
dns3.kinghost.com.br
dns6.kinghost.com.br
dns2.kinghost.com.br
dns5.kinghost.com.br
dns1.kinghost.com.br
dns4.kinghost.com.br
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.rdstation.com.br include:sendgrid.net ~all
📊 DNS lookups: 2/10
~ 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
✓ 4 found
mail._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- facebook-domain-verification=lv5h8r1vb8ezm43n2u59khu80v9zxb
- emktownership=t97K6a7vIUNkY
- SPFv=spf1 include:_spf.rdstation.com.br include:sendgrid.net ~all
- SPFv=spf1 include:spf1.auinmeio.com.br include:spf2.auinmeio.com.br include:_spf.kinghost.net include:servers.mcsv.net include:facebook-domain-verification=lv5h8r1vb8ezm43n2u59khu80v9zxb ~all
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