Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
polibrasnet.com.br
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 07:59:51 UTC · ↺ Refresh
MX Hostnames
- alt1.aspmx.l.google.com
- aspmx.l.google.com
- aspmx2.googlemail.com
- alt2.aspmx.l.google.com
- aspmx3.googlemail.com
MX Priorities
- aspmx2.googlemail.com: 10
- aspmx3.googlemail.com: 10
- aspmx.l.google.com: 1
- alt1.aspmx.l.google.com: 5
- alt2.aspmx.l.google.com: 5
A / AAAA Records
- 142.93.248.45 ↩ polibrassoftware.com.br
Mail Server IPs
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
- 172.253.116.27 ↩ dj-in-f27.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
- 172.253.115.26 ↩ bg-in-f26.1e100.net
- 2607:f8b0:4004:c0b::1b ↩ bj-in-f27.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
SOA Record
Raw SOA
ns1.polibrasnet.com.br ns1.polibrasnet.com.br 2025071101 3600 3600 1209600 3600
Primary NS (mname)
ns1.polibrasnet.com.br
Admin Email (rname)
ns1@polibrasnet.com.br
Serial
2025071101
Refresh
3600s
Retry
3600s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
ns1.polibrasnet.com.br
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.google.com ~all
📊 DNS lookups: 1/10
~ 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
5 records- MS=D5A660272FA0BC4E3BDD047EE225D28BEF32FF4C
- google-site-verification=XYjI4AurzY6TOV2V0XYvOEyh1riRVMV9Zl_kuWkxuy4
- google-site-verification=UJ8ENSce_datdBT234Q3VL_zA5wbVWDt_9VmbhVoGXI
- SPFv=spf1 include:_spf.google.com ~all
- SPFv=spf1 include:_spf.rdstation.com.br include:sendgrid.net ~all
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