Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
astrein.com.br
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-27 00:22:16 UTC · ↺ Refresh
MX Hostnames
- astrein.mxsec.com.br
MX Priorities
- astrein.mxsec.com.br: 1
A / AAAA Records
- 185.230.63.107 ↩ unalocated.63.wixsite.com
Mail Server IPs
- 177.11.55.223 ↩ mids223.reversoonline.com.br
SOA Record
Raw SOA
ns1-08.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-08.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns2-08.azure-dns.net
ns3-08.azure-dns.org
ns4-08.azure-dns.info
ns1-08.azure-dns.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx ip4:45.234.92.50 ip4:45.234.92.4 ip4:177.53.141.160 include:spf.protection.outlook.com include:relay.mailchannels.net include:_spf.rdstation.com.br include:sendgrid.net ~all MS=ms54007135
📊 DNS lookups: 6/10
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected], mailto:[email protected]; pct=100; adkim=s; aspf=s
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected], mailto:[email protected]
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 a mx ip4:45.234.92.50 ip4:45.234.92.4 ip4:177.53.141.160 include:spf.protection.outlook.com include:relay.mailchannels.net include:_spf.rdstation.com.br include:sendgrid.net ~all MS=ms54007135
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