serede.com.br

Valid Email Server
Domain Lookup › serede.com.br

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
serede.com.br
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-23 21:37:11 UTC · ↺ Refresh

MX Hostnames

  • smtp.oi.net.br

MX Priorities

  • smtp.oi.net.br: 0

A / AAAA Records

  • 187.125.107.179 (no PTR)

Mail Server IPs

  • 187.6.211.145 ↩ smtp.oi.net.br
  • 200.223.247.177 ↩ smtp.oi.net.br
  • 200.223.247.173 ↩ smtp.oi.net.br
  • 187.6.211.144 ↩ smtp.oi.net.br
  • 200.223.247.176 ↩ smtp.oi.net.br
  • 187.6.211.143 ↩ smtp.oi.net.br

SOA Record

Raw SOA serede.com.br hostmaster.serede.com.br 2025121105 43200 3600 3600000 172800
Primary NS (mname)
serede.com.br
Admin Email (rname)
hostmaster@serede.com.br
Serial
2025121105
Refresh
43200s
Retry
3600s
Expire
3600000s
Minimum TTL
172800s

Nameservers (NS)

ns01.serede.com.br
venus.serede.com.br

SPF Record

✓ Soft Fail (~all)
v=spf1 a:smtp.oi.net.br mx:smtp.oi.net.br include:spf.protection.outlook.com ip4:200.164.89.149 ip4:200.164.89.150 ip4:200.164.68.60 ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✗ None detected

No 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

3 records
  • MS=ms10708796
  • google-gws-recovery-domain-verification=6581444
  • SPFv=spf1 a:smtp.oi.net.br mx:smtp.oi.net.br include:spf.protection.outlook.com ip4:200.164.89.149 ip4:200.164.89.150 ip4:200.164.68.60 ~all
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