Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
optimum.eng.br
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 03:22:22 UTC · ↺ Refresh
MX Hostnames
- mx4.brdrive.net
- mx1.brdrive.net
MX Priorities
- mx1.brdrive.net: 0
- mx4.brdrive.net: 1
A / AAAA Records
- 45.163.12.10 ↩ ns4.brdrive.net
Mail Server IPs
- 45.163.12.11 ↩ mx1.brdrive.net
- 2804:5384:1:4:45:163:12:11 ↩ mx1.brdrive.net
SOA Record
Raw SOA
ns4.brdrive.net suporte.brdrive.net 2023121300 3600 900 604800 900
Primary NS (mname)
ns4.brdrive.net
Admin Email (rname)
suporte@brdrive.net
Serial
2023121300
Refresh
3600s
Retry
900s
Expire
604800s
Minimum TTL
900s
Nameservers (NS)
ns5.brdrive.net
ns4.brdrive.net
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.brdrive.net ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; adkim=s; aspf=s
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 include:_spf.brdrive.net ~all
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