Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ultramax.com.br
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 05:15:55 UTC · ↺ Refresh
MX Hostnames
- mx.a.locaweb.com.br
- mx.b.locaweb.com.br
- mx.jk.locaweb.com.br
- mx.core.locaweb.com.br
MX Priorities
- mx.a.locaweb.com.br: 20
- mx.b.locaweb.com.br: 20
- mx.jk.locaweb.com.br: 20
- mx.core.locaweb.com.br: 10
A / AAAA Records
- 52.14.116.201 ↩ app1aws.ultramax.com.br
Mail Server IPs
- 186.202.4.42 ↩ mx.a.locaweb.com.br
- 177.153.23.242 ↩ mx.b.locaweb.com.br
- 200.234.204.130 ↩ mx.jk.locaweb.com.br
- 177.153.23.241 ↩ mx.core.locaweb.com.br
SOA Record
Raw SOA
ns-1155.awsdns-16.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1155.awsdns-16.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-170.awsdns-21.com
ns-794.awsdns-35.net
ns-1155.awsdns-16.org
ns-1564.awsdns-03.co.uk
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.locaweb.com.br ?all
📊 DNS lookups: 1/10
? Neutral (?all) — no enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo 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
1 record- SPFv=spf1 include:_spf.locaweb.com.br ?all
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