Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
concert.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-29 09:24:55 UTC · ↺ Refresh
MX Hostnames
- concert-com-br.mail.protection.outlook.com
MX Priorities
- concert-com-br.mail.protection.outlook.com: 0
A / AAAA Records
- 100.24.208.97 ↩ staticip2.multiscreensite.com
- 35.172.94.1 ↩ staticip.multiscreensite.com
Mail Server IPs
- 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
- 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 52.101.10.8 ↩ mail-bn1pr04cu00100.inbound.protection.outlook.com
- 52.101.40.1 ↩ mail-cy4pr03cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
- 2a01:111:f403:f90f:: ↩ mail-sa9pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f901::1 ↩ mail-bl0pr02cu00601.inbound.protection.outlook.com
- 2a01:111:f403:c922::2 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.dominios.uol.com.br admin.uolhost.com.br 2025090800 43200 3600 604800 1800
Primary NS (mname)
ns1.dominios.uol.com.br
Admin Email (rname)
admin@uolhost.com.br
Serial
2025090800
Refresh
43200s
Retry
3600s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
ns2.dominios.uol.com.br
ns1.dominios.uol.com.br
ns3.dominios.uol.com.br
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- 24-06-2025
- DMARCv=DMARC1; p=quarantine; rua=mailto:[email protected]
- SPFv=spf1 include:spf.protection.outlook.com -all
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