Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
institutoburmannebastos.com.br
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 06:34:29 UTC · ↺ Refresh
MX Hostnames
- mail.institutoburmannebastos.com.br
MX Priorities
- mail.institutoburmannebastos.com.br: 0
A / AAAA Records
- 104.21.90.104 (no PTR)
- 172.67.199.218 (no PTR)
- 2606:4700:3030::6815:5a68 (no PTR)
- 2606:4700:3031::ac43:c7da (no PTR)
Mail Server IPs
- 50.116.87.73 ↩ 50-116-87-73.unifiedlayer.com
SOA Record
Raw SOA
rocky.ns.cloudflare.com dns.cloudflare.com 2400414316 10000 2400 604800 1800
Primary NS (mname)
rocky.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400414316
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
rocky.ns.cloudflare.com
serena.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx include:websitewelcome.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
2 records- SPFv=spf1 a mx include:websitewelcome.com ~all
- google-site-verification=SvOLyq72o1rq3ECYJrCNJgzms0Rz-Lg9hYdAZZvSjms
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