Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
fischerbrasil.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 13:38:37 UTC · ↺ Refresh
MX Hostnames
- fischerbrasil-com-br.mail.protection.outlook.com
MX Priorities
- fischerbrasil-com-br.mail.protection.outlook.com: 0
A / AAAA Records
- 20.73.186.195 (no PTR)
Mail Server IPs
- 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
- 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
- 52.101.73.6 ↩ mail-am6pr04cu00306.inbound.protection.outlook.com
- 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
- 2a01:111:f403:ca09::6 ↩ mail-am4pr0401cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca09::1 ↩ mail-as9pr07cu00301.inbound.protection.outlook.com
- 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
- 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.skymail.net.br hostmaster.fischerbrasil.com.br 2025090101 7200 900 1209600 86400
Primary NS (mname)
ns1.skymail.net.br
Admin Email (rname)
hostmaster@fischerbrasil.com.br
Serial
2025090101
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns3.mandic.com.br
ns2.mandic.com.br
ns1.mandic.com.br
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.claramail.com.br -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]; sp=none; pct=100
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
4 records- knowbe4-site-verification=a1c9f0e0da04720fb20b201b9cf61a4e
- SPFv=spf1 include:spf.protection.outlook.com include:spf.claramail.com.br -all
- teamviewer-sso-verification=8c8e92743df545418307460ec209066a
- atlassian-domain-verification=pSlmK5SqZDLuCbvaKzE0l/2d7TUh3Hivb/FtKXp6d20yv7enzx0VclxxGa9DaB6H
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