Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
furb.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-27 07:45:12 UTC · ↺ Refresh
MX Hostnames
- furb-br.mail.protection.outlook.com
MX Priorities
- furb-br.mail.protection.outlook.com: 0
A / AAAA Records
- 201.54.207.78 (no PTR)
Mail Server IPs
- 52.101.41.183 ↩ mail-byapr04cu00307.inbound.protection.outlook.com
- 52.101.41.6 ↩ mail-sj0pr03cu01406.inbound.protection.outlook.com
- 52.101.42.16 ↩ mail-co1pr05cu00300.inbound.protection.outlook.com
- 52.101.11.15 ↩ mail-sa9pr02cu00207.inbound.protection.outlook.com
- 2a01:111:f403:c931::1 ↩ mail-sa9pr03cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c946::2 ↩ mail-ch4pr04cu00102.inbound.protection.outlook.com
- 2a01:111:f403:f90d::1 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c91d::b ↩ mail-mw2pr02cu00603.inbound.protection.outlook.com
SOA Record
Raw SOA
furb.br suporte.furb.br 2026031801 1200 120 1209600 3600
Primary NS (mname)
furb.br
Admin Email (rname)
suporte@furb.br
Serial
2026031801
Refresh
1200s
Retry
120s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
adns1.pop-sc.rnp.br
adns2.pop-sc.rnp.br
dns21.furb.br
dns22.furb.br
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com ip4:201.54.207.55 -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected];ri=86400;fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
6 records- iGz0fA4NekPUesO9JVNfet4PwpMxbP1hK+0yf1MYMW59iFezYb1GU/BxAeSUSUmfKEid8vXWdfsz69ZfXMX4hg==
- SPFv=spf1 include:spf.protection.outlook.com ip4:201.54.207.55 -all
- _globalsign-domain-verification=5qIlfYuAY1u-DQwCHiRrU60JMb7V2S30c12IJ-izNd
- google-site-verification=yesXWqCU7YQ4gE5Z6Ux7XBjKPL56Ou0cLjJP6TRPpvY
- google-site-verification=RmVI6yQZFORuXC2iqBE2QFI18h5HVRKwUu3-oPXjC8Y
- _globalsign-domain-verification=N9ggCM04Ht7mVcjVtznRiFaL4wwnEUya3KQ4cKC1ee
Full email verification for furb.br
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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