Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
durr.com.br
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-22 11:10:56 UTC · ↺ Refresh
MX Hostnames
- mx2.hc116-66.eu.iphmx.com
- mx1.hc116-66.eu.iphmx.com
MX Priorities
- mx1.hc116-66.eu.iphmx.com: 10
- mx2.hc116-66.eu.iphmx.com: 10
A / AAAA Records
- 37.131.239.164
Mail Server IPs
- 207.54.65.104 ↩ esa7.hc116-66.eu.iphmx.com
- 207.54.65.114 ↩ esa10.hc116-66.eu.iphmx.com
- 207.54.68.64 ↩ esa4.hc116-66.eu.iphmx.com
- 207.54.65.113 ↩ esa9.hc116-66.eu.iphmx.com
- 207.54.65.92 ↩ esa6.hc116-66.eu.iphmx.com
- 207.54.68.62 ↩ esa2.hc116-66.eu.iphmx.com
- 207.54.67.230 ↩ esa1.hc116-66.eu.iphmx.com
- 207.54.68.65 ↩ esa5.hc116-66.eu.iphmx.com
- 207.54.65.112 ↩ esa8.hc116-66.eu.iphmx.com
- 207.54.68.63 ↩ esa3.hc116-66.eu.iphmx.com
SOA Record
Raw SOA
ns1-01.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-01.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns2-01.azure-dns.net
ns3-01.azure-dns.org
ns4-01.azure-dns.info
ns1-01.azure-dns.com
SPF Record
✓ Strict (-all)
v=spf1 mx include:spf.durr-group.com include:spf.protection.outlook.com include:aspmx.pardot.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; fo=1; ri=3600; rua=mailto:[email protected]; ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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
4 records- sending_domain564993=bebf166d17b0ffe84449d90190c5562462cadc75b2c289729b47ec662f6ebdc4
- swisssign-check=ynjqjd8W7JNFFpLwx-zOrmKTYF4
- SPFv=spf1 mx include:spf.durr-group.com include:spf.protection.outlook.com include:aspmx.pardot.com -all
- docusign=592a7dd5-11a2-4738-83c1-44db8f8eb112
Full email verification for durr.com.br
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits