webrain.com.br

Valid Email Server
Domain Lookup › webrain.com.br

Domain Overview

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

Checked via [email protected] · 2026-03-29 09:26:18 UTC · ↺ Refresh

MX Hostnames

  • mx-vip-02.uni5.net
  • mx-vip-01.uni5.net

MX Priorities

  • mx-vip-02.uni5.net: 5
  • mx-vip-01.uni5.net: 5

A / AAAA Records

  • 52.72.174.37 ↩ ec2-52-72-174-37.compute-1.amazonaws.com

Mail Server IPs

  • 191.6.220.39 ↩ mx-vip-02-farm28.uni5.net
  • 2804:10:8028::220:39 ↩ mx-vip-02-farm28.uni5.net
  • 191.6.220.38 ↩ mx-vip-01-farm28.uni5.net
  • 2804:10:8028::220:38 ↩ mx-vip-01-farm28.uni5.net

SOA Record

Raw SOA dns1.webrain.com.br abuse.uni5.net 2311300063 86400 14400 604800 3600
Primary NS (mname)
dns1.webrain.com.br
Admin Email (rname)
abuse@uni5.net
Serial
2311300063
Refresh
86400s
Retry
14400s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

dns3.webrain.com.br
dns2.webrain.com.br
dns1.webrain.com.br
dns4.webrain.com.br

SPF Record

✓ Strict (-all)
v=spf1 include:_spf.uni5.net -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 3 found
mail._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

2 records
  • SPFv=spf1 include:_spf.uni5.net -all
  • emktownership=t9PD.P0C4aywk
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