Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
db1.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-02 20:47:29 UTC · ↺ Refresh
MX Hostnames
- db1-com-br.mail.protection.outlook.com
MX Priorities
- db1-com-br.mail.protection.outlook.com: 0
A / AAAA Records
- 162.214.91.39 ↩ vps-4413280.e-b1.com.br
Mail Server IPs
- 52.101.11.17 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
- 52.101.9.12 ↩ mail-bl0pr05cu00504.inbound.protection.outlook.com
- 52.101.10.1 ↩ mail-bn6pr02cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f908::2 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 2a01:111:f403:f802::1 ↩ mail-sj2pr05cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f805::1 ↩ mail-co1pr03cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f901:: ↩ mail-mn2pr04cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-443.awsdns-55.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-443.awsdns-55.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1218.awsdns-24.org
ns-1883.awsdns-43.co.uk
ns-443.awsdns-55.com
ns-807.awsdns-36.net
SPF Record
✓ Strict (-all)
v=spf1 include:db1spf.db1.com.br include:servers.mcsv.net include:_spf.mkmail.com.br include:sendgrid.net include:spf.protection.outlook.com include:48349387.spf02.hubspotemail.net -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=none; pct=100; fo=1; ri=86400; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
k1._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- apple-domain-verification=KdnSTw8ZFUtIBQ2Z
- mongodb-site-verification=zIcXij3ZUZhh6vsd0w571S3tB6XzmpGf
- openai-domain-verification=dv-gGuNySDWrrWL63qnonwgFStT
- SPFv=spf1 include:db1spf.db1.com.br include:servers.mcsv.net include:_spf.mkmail.com.br include:sendgrid.net include:spf.protection.outlook.com include:48349387.spf02.hubspotemail.net -all
- 3097553f9e9a25055c0340ec28"
- "miro-verification=6ed5d7056fb37a
Full email verification for db1.com.br
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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