Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
extramed.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 05:45:27 UTC · ↺ Refresh
MX Hostnames
- extramed-com-br.mail.protection.outlook.com
MX Priorities
- extramed-com-br.mail.protection.outlook.com: 10
A / AAAA Records
- 200.237.162.138 ↩ customer-200237162138.onda.com.br
Mail Server IPs
- 52.101.198.38 ↩ mail-cp3p284cu00706.inbound.protection.outlook.com
- 52.101.198.0 ↩ mail-cp5p284cu01800.inbound.protection.outlook.com
- 52.101.198.1 ↩ mail-cp4p284cu00401.inbound.protection.outlook.com
- 52.101.200.0 ↩ mail-roap284cu02600.inbound.protection.outlook.com
- 2a01:111:f403:c94a:: ↩ mail-cp5p284cu01800.inbound.protection.outlook.com
- 2a01:111:f403:c94c:: ↩ mail-roap284cu02600.inbound.protection.outlook.com
- 2a01:111:f403:c94a::1 ↩ mail-cp4p284cu00401.inbound.protection.outlook.com
- 2a01:111:f403:c94a::2 ↩ mail-cp3p284cu00702.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.digitalocean.com hostmaster.extramed.com.br 1773334484 10800 3600 604800 1800
Primary NS (mname)
ns1.digitalocean.com
Admin Email (rname)
hostmaster@extramed.com.br
Serial
1773334484
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
ns3.digitalocean.com
ns2.digitalocean.com
ns1.digitalocean.com
SPF Record
✓ Strict (-all)
v=spf1 +ip4:177.11.50.101 +ip4:177.220.133.14 +ip4:200.146.214.234 +ip4:187.95.145.190 +ip4:200.237.162.138 include:mailgrid.net.br include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=none; ri=86400
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
default._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
2 records- SPFv=spf1 +ip4:177.11.50.101 +ip4:177.220.133.14 +ip4:200.146.214.234 +ip4:187.95.145.190 +ip4:200.237.162.138 include:mailgrid.net.br include:spf.protection.outlook.com -all
- MS=ms82855950
Full email verification for extramed.com.br
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