Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
lamsa.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-31 00:32:28 UTC · ↺ Refresh
MX Hostnames
- lamsa-com-br.mail.protection.outlook.com
MX Priorities
- lamsa-com-br.mail.protection.outlook.com: 10
A / AAAA Records
- 172.67.143.145 (no PTR)
- 104.21.39.67 (no PTR)
- 2606:4700:3030::6815:2743
- 2606:4700:3036::ac43:8f91
Mail Server IPs
- 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 52.101.10.8 ↩ mail-bn1pr04cu00100.inbound.protection.outlook.com
- 52.101.9.12 ↩ mail-bl0pr05cu00504.inbound.protection.outlook.com
- 52.101.11.13 ↩ mail-sn1pr0501cu00205.inbound.protection.outlook.com
- 2a01:111:f403:f905::3 ↩ mail-dm5pr02cu00203.inbound.protection.outlook.com
- 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c946::7 ↩ mail-ch5pr02cu00307.inbound.protection.outlook.com
- 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com
SOA Record
Raw SOA
duke.ns.cloudflare.com dns.cloudflare.com 2398814616 10000 2400 604800 1800
Primary NS (mname)
duke.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398814616
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
maisie.ns.cloudflare.com
duke.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:200.167.93.166 ip4:201.73.37.25 ip4:189.3.193.23 ip4:200.218.252.249 ip4:200.218.252.250 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
3 records- SPFv=spf1 ip4:200.167.93.166 ip4:201.73.37.25 ip4:189.3.193.23 ip4:200.218.252.249 ip4:200.218.252.250 include:spf.protection.outlook.com -all
- MS=ms70435630
- tOGD0KZvGjvoO4An3yt3RN6eJWqyW2TZnynxKQfEhyyEbOmOA7h4C44SUXFy3akXP2j24eHWqT1beVu4iW9J6g==
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