Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
britto.com.br
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-04 12:36:26 UTC · ↺ Refresh
MX Hostnames
- mx3.task.com.br
- mx1.task.com.br
MX Priorities
- mx1.task.com.br: 1
- mx3.task.com.br: 100
A / AAAA Records
- 169.61.160.10 ↩ cp1.task.com.br
Mail Server IPs
- 177.93.104.152 ↩ sd10.task.com.br
- 177.93.104.148 ↩ sd9.task.com.br
- 177.93.104.156 ↩ sd11.task.com.br
- 177.93.104.140 ↩ sd7.task.com.br
- 177.93.104.136 ↩ sd6.task.com.br
- 177.93.104.144 ↩ sd8.task.com.br
SOA Record
Raw SOA
ns1.task.com.br marcus.task.com.br 1773843954 1200 600 1209600 5400
Primary NS (mname)
ns1.task.com.br
Admin Email (rname)
marcus@task.com.br
Serial
1773843954
Refresh
1200s
Retry
600s
Expire
1209600s
Minimum TTL
5400s
Nameservers (NS)
ns4.task.com.br
ns1.task.com.br
ns3.task.com.br
ns2.task.com.br
SPF Record
✓ Strict (-all)
v=spf1 mx a:smtp.task.com.br include:task.com.br include:servers.mcsv.net ip4:169.61.160.10 Include:spf-ll.xmailer.com.br -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
default._domainkey
k1._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 mx a:smtp.task.com.br include:task.com.br include:servers.mcsv.net ip4:169.61.160.10 Include:spf-ll.xmailer.com.br -all
Full email verification for britto.com.br
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