Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
institutouniao.com.br
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 02:30:49 UTC · ↺ Refresh
MX Hostnames
- mx.a.locaweb.com.br
- mx.jk.locaweb.com.br
- mx.core.locaweb.com.br
- mx.b.locaweb.com.br
MX Priorities
- mx.core.locaweb.com.br: 10
- mx.b.locaweb.com.br: 20
- mx.a.locaweb.com.br: 20
- mx.jk.locaweb.com.br: 20
A / AAAA Records
- 35.222.139.151 ↩ 151.139.222.35.bc.googleusercontent.com
Mail Server IPs
- 177.153.23.241 ↩ mx.core.locaweb.com.br
- 177.153.23.242 ↩ mx.b.locaweb.com.br
- 186.202.4.42 ↩ mx.a.locaweb.com.br
- 200.234.204.130 ↩ mx.jk.locaweb.com.br
SOA Record
Raw SOA
ns-cloud-c1.googledomains.com cloud-dns-hostmaster.google.com 1 21600 3600 259200 300
Primary NS (mname)
ns-cloud-c1.googledomains.com
Admin Email (rname)
cloud-dns-hostmaster@google.com
Serial
1
Refresh
21600s
Retry
3600s
Expire
259200s
Minimum TTL
300s
Nameservers (NS)
jessica.ns.cloudflare.com
damon.ns.cloudflare.com
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
✓ 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
2 records- groove-verification=5E0IIf20FRs8Zrg7
- SPFv=spf1 include:_spf.locaweb.com.br ?all
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