Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tupan.com.br
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-02 11:27:04 UTC · ↺ Refresh
MX Hostnames
- mx.core.locaweb.com.br
- mx.b.locaweb.com.br
- mx.a.locaweb.com.br
- mx.jk.locaweb.com.br
MX Priorities
- mx.a.locaweb.com.br: 20
- mx.jk.locaweb.com.br: 20
- mx.core.locaweb.com.br: 10
- mx.b.locaweb.com.br: 10
A / AAAA Records
- 13.248.199.136 ↩ a8641621b1a761aa9.awsglobalaccelerator.com
Mail Server IPs
- 186.202.4.42 ↩ mx.a.locaweb.com.br
- 200.234.204.130 ↩ mx.jk.locaweb.com.br
- 177.153.23.241 ↩ mx.core.locaweb.com.br
- 177.153.23.242 ↩ mx.b.locaweb.com.br
SOA Record
Raw SOA
ns1.locaweb.com.br hostmaster.locaweb.com.br 2023050803 3600 600 1209600 3600
Primary NS (mname)
ns1.locaweb.com.br
Admin Email (rname)
hostmaster@locaweb.com.br
Serial
2023050803
Refresh
3600s
Retry
600s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
ns3.locaweb.com.br
ns1.locaweb.com.br
ns2.locaweb.com.br
SPF Record
✓ Strict (-all)
v=spf1 include:spf1.auinmeio.com.br include:spf2.auinmeio.com.br include:_spf.locaweb.com.br -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
3 records- yahoo-verification-key=weRgUym7YeG7V98xFLYlXZnFhqk8AAcASNVPBOG6nFk=
- SPFv=spf1 include:spf1.auinmeio.com.br include:spf2.auinmeio.com.br include:_spf.locaweb.com.br -all
- _globalsign-domain-verification=L15d-0i32VuMXLMQM0Y2RCBSUSzkAkH9wRFa97io6z MS=DB6D095230E4F1CDF725DAA4C0A3F28BDB545D98
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